var bibbase_data = {"data":"<img src=\"//bibbase.org/img/ajax-loader.gif\" id=\"spinner\"\n  style=\"display: none;\" alt=\"Loading..\" />\n\n<div id=\"bibbase\">\n\n  <script type=\"text/javascript\">\n    var bibbase = {\n      params: {\"bib\":\"https://api.zotero.org/users/79259/collections/MRASSBVS/items?key=PVBAkm5DqhgN2qggj7BsHvrp&format=bibtex&limit=100\",\"jsonp\":\"1\",\"host\":\"bibbase.org\"},\n      data: [{\"bibtype\":\"article\",\"type\":\"article\",\"title\":\"Insights from molecular simulations on liquid slip over nanostructured surfaces\",\"volume\":\"28\",\"issn\":\"0948-5023\",\"doi\":\"10.1007/s00894-022-05338-x\",\"abstract\":\"The current study focuses on non-equilibrium molecular dynamics (NEMD) simulations to investigate the slip properties of water flowing over different nanostructured surfaces. A simulation protocol is developed that applies constant shear stress throughout the fluid before measuring the slip length. Using pseudo-data, the reliability of this protocol in terms of both accuracy and noise of the results for high-slip and multiphase systems is demonstrated. In contrast to the NEMD techniques available in the literature, the protocol also enables a convenient way to compare the slip lengths of different surface coatings. The fluid slip lengths of surface coatings comprising carbon nanotubes on platinum are predicted using the proposed protocol with nitrogen gas trapped in the interstitial gaps. The role of these gas pockets in determining surface slip properties is investigated. The NEMD results from the proposed model compare well with a macroscopic theoretical model for nano-patterned surfaces. Finally, it is concluded that entrapped gas within nanostructures may offer significant drag reduction only if the gas surface coverage is above 95%.\",\"language\":\"eng\",\"number\":\"11\",\"journal\":\"Journal of Molecular Modeling\",\"author\":[{\"propositions\":[],\"lastnames\":[\"Ramisetti\"],\"firstnames\":[\"Srinivasa\",\"B.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Yadav\"],\"firstnames\":[\"Anshul\"],\"suffixes\":[]}],\"month\":\"October\",\"year\":\"2022\",\"pmid\":\"36205823\",\"keywords\":\"Drag reduction, Gas/liquid flow, Molecular dynamics, Non-continuum effects\",\"pages\":\"346\",\"bibtex\":\"@article{ramisetti_insights_2022,\\n\\ttitle = {Insights from molecular simulations on liquid slip over nanostructured surfaces},\\n\\tvolume = {28},\\n\\tissn = {0948-5023},\\n\\tdoi = {10.1007/s00894-022-05338-x},\\n\\tabstract = {The current study focuses on non-equilibrium molecular dynamics (NEMD) simulations to investigate the slip properties of water flowing over different nanostructured surfaces. A simulation protocol is developed that applies constant shear stress throughout the fluid before measuring the slip length. Using pseudo-data, the reliability of this protocol in terms of both accuracy and noise of the results for high-slip and multiphase systems is demonstrated. In contrast to the NEMD techniques available in the literature, the protocol also enables a convenient way to compare the slip lengths of different surface coatings. The fluid slip lengths of surface coatings comprising carbon nanotubes on platinum are predicted using the proposed protocol with nitrogen gas trapped in the interstitial gaps. The role of these gas pockets in determining surface slip properties is investigated. The NEMD results from the proposed model compare well with a macroscopic theoretical model for nano-patterned surfaces. Finally, it is concluded that entrapped gas within nanostructures may offer significant drag reduction only if the gas surface coverage is above 95\\\\%.},\\n\\tlanguage = {eng},\\n\\tnumber = {11},\\n\\tjournal = {Journal of Molecular Modeling},\\n\\tauthor = {Ramisetti, Srinivasa B. and Yadav, Anshul},\\n\\tmonth = oct,\\n\\tyear = {2022},\\n\\tpmid = {36205823},\\n\\tkeywords = {Drag reduction, Gas/liquid flow, Molecular dynamics, Non-continuum effects},\\n\\tpages = {346},\\n}\\n\\n\",\"author_short\":[\"Ramisetti, S. B.\",\"Yadav, A.\"],\"key\":\"ramisetti_insights_2022\",\"id\":\"ramisetti_insights_2022\",\"bibbaseid\":\"ramisetti-yadav-insightsfrommolecularsimulationsonliquidslipovernanostructuredsurfaces-2022\",\"role\":\"author\",\"urls\":{},\"keyword\":[\"Drag reduction\",\"Gas/liquid flow\",\"Molecular dynamics\",\"Non-continuum effects\"],\"metadata\":{\"authorlinks\":{\"ramisetti, s\":\"https://ramisetti.github.io/publications/\"}},\"html\":\"\"},{\"bibtype\":\"article\",\"type\":\"article\",\"title\":\"Dynamic Response of 15 MW Floating Wind Turbine With Non-Redundant and Redundant Mooring Systems Under Extreme and Accidental Conditions\",\"volume\":\"145\",\"issn\":\"0892-7219\",\"url\":\"https://doi.org/10.1115/1.4062169\",\"doi\":\"10.1115/1.4062169\",\"abstract\":\"This work focuses on examining the dynamic behavior of large floating offshore wind turbine (FOWT) exposed to extreme (wind and wave with 50-year return period) and accidental (mooring line breakage) loadings. The FOWT considered is 15 MW reference turbine supported on semi-submersible platform stationed using catenary moorings. As the mooring configuration greatly affects the response of FOWT, two different mooring configurations namely non-redundant (three-line) and redundant (six-line) systems were studied and compared. The coupled multi-body dynamic system was solved using Openfast. When simulating the mooring line failure, both the operating and extreme loading conditions were considered. Failure of one mooring was considered at a time. The response of the coupled system due to breakage of the mooring indicates high displacements in surge and sway directions in comparison to the intact system especially for the non-redundant mooring system. Furthermore, change in platform yaw angle and increased tension in the other intact mooring lines were observed. The findings from this study will be helpful in accidental limit state design and preventing failure of similar large FOWT systems. In addition, insights into using non-redundant and redundant mooring configurations for such large structures with respect to extreme and accidental loadings were also discussed.\",\"number\":\"062002\",\"urldate\":\"2023-09-03\",\"journal\":\"Journal of Offshore Mechanics and Arctic Engineering\",\"author\":[{\"propositions\":[],\"lastnames\":[\"Niranjan\"],\"firstnames\":[\"Ramya\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Ramisetti\"],\"firstnames\":[\"Srinivasa\",\"B.\"],\"suffixes\":[]}],\"month\":\"April\",\"year\":\"2023\",\"bibtex\":\"@article{niranjan_dynamic_2023,\\n\\ttitle = {Dynamic {Response} of 15 {MW} {Floating} {Wind} {Turbine} {With} {Non}-{Redundant} and {Redundant} {Mooring} {Systems} {Under} {Extreme} and {Accidental} {Conditions}},\\n\\tvolume = {145},\\n\\tissn = {0892-7219},\\n\\turl = {https://doi.org/10.1115/1.4062169},\\n\\tdoi = {10.1115/1.4062169},\\n\\tabstract = {This work focuses on examining the dynamic behavior of large floating offshore wind turbine (FOWT) exposed to extreme (wind and wave with 50-year return period) and accidental (mooring line breakage) loadings. The FOWT considered is 15 MW reference turbine supported on semi-submersible platform stationed using catenary moorings. As the mooring configuration greatly affects the response of FOWT, two different mooring configurations namely non-redundant (three-line) and redundant (six-line) systems were studied and compared. The coupled multi-body dynamic system was solved using Openfast. When simulating the mooring line failure, both the operating and extreme loading conditions were considered. Failure of one mooring was considered at a time. The response of the coupled system due to breakage of the mooring indicates high displacements in surge and sway directions in comparison to the intact system especially for the non-redundant mooring system. Furthermore, change in platform yaw angle and increased tension in the other intact mooring lines were observed. The findings from this study will be helpful in accidental limit state design and preventing failure of similar large FOWT systems. In addition, insights into using non-redundant and redundant mooring configurations for such large structures with respect to extreme and accidental loadings were also discussed.},\\n\\tnumber = {062002},\\n\\turldate = {2023-09-03},\\n\\tjournal = {Journal of Offshore Mechanics and Arctic Engineering},\\n\\tauthor = {Niranjan, Ramya and Ramisetti, Srinivasa B.},\\n\\tmonth = apr,\\n\\tyear = {2023},\\n}\\n\\n\",\"author_short\":[\"Niranjan, R.\",\"Ramisetti, S. B.\"],\"key\":\"niranjan_dynamic_2023\",\"id\":\"niranjan_dynamic_2023\",\"bibbaseid\":\"niranjan-ramisetti-dynamicresponseof15mwfloatingwindturbinewithnonredundantandredundantmooringsystemsunderextremeandaccidentalconditions-2023\",\"role\":\"author\",\"urls\":{\"Paper\":\"https://doi.org/10.1115/1.4062169\"},\"metadata\":{\"authorlinks\":{\"ramisetti, s\":\"https://ramisetti.github.io/publications/\"}},\"html\":\"\"},{\"bibtype\":\"article\",\"type\":\"article\",\"title\":\"Improved Methodology for Accurate Prediction of Blast Wave Clearing on a Finite Target\",\"volume\":\"148\",\"copyright\":\"© 2022 American Society of Civil Engineers\",\"issn\":\"1943-7889\",\"url\":\"https://ascelibrary.org/doi/10.1061/%28ASCE%29EM.1943-7889.0002134\",\"doi\":\"10.1061/(ASCE)EM.1943-7889.0002134\",\"abstract\":\"AbstractAccurate estimation of blast loads on a structure requires consideration of several complex phenomena during interaction with the target surface. One such phenomenon is the clearing effect observed during the diffraction of blast waves from finite ...\",\"language\":\"EN\",\"number\":\"9\",\"urldate\":\"2023-09-03\",\"journal\":\"Journal of Engineering Mechanics\",\"author\":[{\"propositions\":[],\"lastnames\":[\"Nartu\"],\"firstnames\":[\"Manoj\",\"Kumar\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Kumar\"],\"firstnames\":[\"Manish\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Ramisetti\"],\"firstnames\":[\"Srinivasa\",\"B.\"],\"suffixes\":[]}],\"month\":\"September\",\"year\":\"2022\",\"note\":\"Publisher: American Society of Civil Engineers\",\"keywords\":\"Blast wave, Clearing, Diffraction, Strong shocks\",\"pages\":\"04022049\",\"bibtex\":\"@article{nartu_improved_2022,\\n\\ttitle = {Improved {Methodology} for {Accurate} {Prediction} of {Blast} {Wave} {Clearing} on a {Finite} {Target}},\\n\\tvolume = {148},\\n\\tcopyright = {© 2022 American Society of Civil Engineers},\\n\\tissn = {1943-7889},\\n\\turl = {https://ascelibrary.org/doi/10.1061/%28ASCE%29EM.1943-7889.0002134},\\n\\tdoi = {10.1061/(ASCE)EM.1943-7889.0002134},\\n\\tabstract = {AbstractAccurate estimation of blast loads on a structure requires consideration of several\\ncomplex phenomena during interaction with the target surface. One such phenomenon\\nis the clearing effect observed during the diffraction of blast waves from finite\\n...},\\n\\tlanguage = {EN},\\n\\tnumber = {9},\\n\\turldate = {2023-09-03},\\n\\tjournal = {Journal of Engineering Mechanics},\\n\\tauthor = {Nartu, Manoj Kumar and Kumar, Manish and Ramisetti, Srinivasa B.},\\n\\tmonth = sep,\\n\\tyear = {2022},\\n\\tnote = {Publisher: American Society of Civil Engineers},\\n\\tkeywords = {Blast wave, Clearing, Diffraction, Strong shocks},\\n\\tpages = {04022049},\\n}\\n\\n\",\"author_short\":[\"Nartu, M. K.\",\"Kumar, M.\",\"Ramisetti, S. B.\"],\"key\":\"nartu_improved_2022\",\"id\":\"nartu_improved_2022\",\"bibbaseid\":\"nartu-kumar-ramisetti-improvedmethodologyforaccuratepredictionofblastwaveclearingonafinitetarget-2022\",\"role\":\"author\",\"urls\":{\"Paper\":\"https://ascelibrary.org/doi/10.1061/%28ASCE%29EM.1943-7889.0002134\"},\"keyword\":[\"Blast wave\",\"Clearing\",\"Diffraction\",\"Strong shocks\"],\"metadata\":{\"authorlinks\":{\"ramisetti, s\":\"https://ramisetti.github.io/publications/\"}},\"html\":\"\"},{\"bibtype\":\"article\",\"type\":\"article\",\"title\":\"Simultaneous adsorption of methylene blue and arsenic on graphene, boron nitride and boron carbon nitride nanosheets: Insights from molecular simulations\",\"volume\":\"46\",\"issn\":\"2214-7144\",\"shorttitle\":\"Simultaneous adsorption of methylene blue and arsenic on graphene, boron nitride and boron carbon nitride nanosheets\",\"url\":\"https://www.sciencedirect.com/science/article/pii/S2214714422000964\",\"doi\":\"10.1016/j.jwpe.2022.102653\",\"abstract\":\"The occurrence of various pollutants in water bodies has become a serious concern. In this study, an attempt was made to find out the affinity of two-dimensional graphene (GRA), hexagonal boron nitride (h-BN) and hexagonal boron carbon nitride (h-BCN) towards the simultaneous adsorption of heavy metal (arsenic(III)) and organic dye (methylene blue) using molecular dynamics. The radial distribution functions obtained for the different systems showed that the OW-OW and OW-As pairs peaked around 3 Å whereas, for the As-As pair, the distribution showed a maximum at ~9 Å. The observations were consistent for all three nanosheets, irrespective of whether the adsorption occurred individually or simultaneously. The simultaneous adsorption was synergistic on all three nanosheets, of which the effect was maximum for graphene, indicating better efficiency for real wastewater treatment. Further, by integrating the radial distribution function, a coordination number of 12 was obtained for the arsenic(III) ions. The diffusion properties of water molecules during various adsorption interactions were studied by calculating the diffusion coefficients from the mean squared displacement curves. The density distributions were also examined to highlight how the water molecules surround the adsorbate ions. The orientation of the adsorbate molecules and their distance from the nanosheets were evaluated to propose a possible pathway by which the adsorption occurred. This study revealed that the potency of GRA for simultaneous adsorption of methylene blue and arsenic(III) was better than h-BN and h-BCN.\",\"language\":\"en\",\"urldate\":\"2022-03-25\",\"journal\":\"Journal of Water Process Engineering\",\"author\":[{\"propositions\":[],\"lastnames\":[\"Yadav\"],\"firstnames\":[\"Anshul\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Dindorkar\"],\"firstnames\":[\"Shreyas\",\"S.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Ramisetti\"],\"firstnames\":[\"Srinivasa\",\"B.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Sinha\"],\"firstnames\":[\"Niraj\"],\"suffixes\":[]}],\"month\":\"April\",\"year\":\"2022\",\"pages\":\"102653\",\"bibtex\":\"@article{yadav_simultaneous_2022,\\n\\ttitle = {Simultaneous adsorption of methylene blue and arsenic on graphene, boron nitride and boron carbon nitride nanosheets: {Insights} from molecular simulations},\\n\\tvolume = {46},\\n\\tissn = {2214-7144},\\n\\tshorttitle = {Simultaneous adsorption of methylene blue and arsenic on graphene, boron nitride and boron carbon nitride nanosheets},\\n\\turl = {https://www.sciencedirect.com/science/article/pii/S2214714422000964},\\n\\tdoi = {10.1016/j.jwpe.2022.102653},\\n\\tabstract = {The occurrence of various pollutants in water bodies has become a serious concern. In this study, an attempt was made to find out the affinity of two-dimensional graphene (GRA), hexagonal boron nitride (h-BN) and hexagonal boron carbon nitride (h-BCN) towards the simultaneous adsorption of heavy metal (arsenic(III)) and organic dye (methylene blue) using molecular dynamics. The radial distribution functions obtained for the different systems showed that the OW-OW and OW-As pairs peaked around 3 Å whereas, for the As-As pair, the distribution showed a maximum at {\\\\textasciitilde}9 Å. The observations were consistent for all three nanosheets, irrespective of whether the adsorption occurred individually or simultaneously. The simultaneous adsorption was synergistic on all three nanosheets, of which the effect was maximum for graphene, indicating better efficiency for real wastewater treatment. Further, by integrating the radial distribution function, a coordination number of 12 was obtained for the arsenic(III) ions. The diffusion properties of water molecules during various adsorption interactions were studied by calculating the diffusion coefficients from the mean squared displacement curves. The density distributions were also examined to highlight how the water molecules surround the adsorbate ions. The orientation of the adsorbate molecules and their distance from the nanosheets were evaluated to propose a possible pathway by which the adsorption occurred. This study revealed that the potency of GRA for simultaneous adsorption of methylene blue and arsenic(III) was better than h-BN and h-BCN.},\\n\\tlanguage = {en},\\n\\turldate = {2022-03-25},\\n\\tjournal = {Journal of Water Process Engineering},\\n\\tauthor = {Yadav, Anshul and Dindorkar, Shreyas S. and Ramisetti, Srinivasa B. and Sinha, Niraj},\\n\\tmonth = apr,\\n\\tyear = {2022},\\n\\tpages = {102653},\\n}\\n\\n\",\"author_short\":[\"Yadav, A.\",\"Dindorkar, S. S.\",\"Ramisetti, S. B.\",\"Sinha, N.\"],\"key\":\"yadav_simultaneous_2022\",\"id\":\"yadav_simultaneous_2022\",\"bibbaseid\":\"yadav-dindorkar-ramisetti-sinha-simultaneousadsorptionofmethyleneblueandarsenicongrapheneboronnitrideandboroncarbonnitridenanosheetsinsightsfrommolecularsimulations-2022\",\"role\":\"author\",\"urls\":{\"Paper\":\"https://www.sciencedirect.com/science/article/pii/S2214714422000964\"},\"metadata\":{\"authorlinks\":{\"ramisetti, s\":\"https://ramisetti.github.io/publications/\"}},\"html\":\"\"},{\"bibtype\":\"article\",\"type\":\"article\",\"title\":\"Insights from detailed numerical investigation of 15 MW offshore semi-submersible wind turbine using aero-hydro-servo-elastic code\",\"volume\":\"251\",\"issn\":\"0029-8018\",\"url\":\"https://www.sciencedirect.com/science/article/pii/S0029801822004449\",\"doi\":\"10.1016/j.oceaneng.2022.111024\",\"abstract\":\"Offshore wind turbines are getting larger in terms of dimensions to maximize power generation. Large wind turbine offshore structures can be installed in deep water locations, where they have the advantage to generate higher power due to high wind speeds. To achieve this, wind turbine manufacturers are introducing larger and scaled-up designs to meet the global energy demands. However, these models suffer from large structural loads and deformations when subjected to varying environmental loadings. Therefore, it is necessary to fully comprehend the multibody coupled dynamics of such large offshore structures before proceeding towards their installation in open oceans. This paper carries out an extensive investigation on the ultimate load analysis and fully coupled dynamic response of the 15 MW reference turbine mounted over a UMaine VolturnUS-S semi-submersible floating platform. We used OpenFAST to carry out the stability and full-system linearization studies followed by a detailed time-domain analysis for the power production, parked and fault conditions. We began with a brief background theory on linearization and eigenanalysis for identifying the natural frequencies followed by discussion of the Campbell diagram showing the full-system natural frequencies. It was observed that the multi-blade coordinate code does not correctly pick the natural frequencies. Additional free decay tests have been carried out to verify the full-system natural frequencies. The variation of mean, minimum and maximum values of various characteristic loads and platform motions with respect to different environmental conditions are also presented. We also discussed the change in dynamic response due to the yaw misalignment, wind–wave misalignment, and second-order wave forces. The parked and fault conditions were found to be the critical design load cases (DLCs) for the design of IEA 15 MW wind turbine mounted on Volturn US-S semi-submersible. Furthermore, this paper gives an insight of the important DLCs to be considered while computing the design loads for similar large wind turbine structures.\",\"language\":\"en\",\"urldate\":\"2022-03-25\",\"journal\":\"Ocean Engineering\",\"author\":[{\"propositions\":[],\"lastnames\":[\"Niranjan\"],\"firstnames\":[\"Ramya\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Ramisetti\"],\"firstnames\":[\"Srinivasa\",\"B.\"],\"suffixes\":[]}],\"month\":\"May\",\"year\":\"2022\",\"pages\":\"111024\",\"bibtex\":\"@article{niranjan_insights_2022,\\n\\ttitle = {Insights from detailed numerical investigation of 15 {MW} offshore semi-submersible wind turbine using aero-hydro-servo-elastic code},\\n\\tvolume = {251},\\n\\tissn = {0029-8018},\\n\\turl = {https://www.sciencedirect.com/science/article/pii/S0029801822004449},\\n\\tdoi = {10.1016/j.oceaneng.2022.111024},\\n\\tabstract = {Offshore wind turbines are getting larger in terms of dimensions to maximize power generation. Large wind turbine offshore structures can be installed in deep water locations, where they have the advantage to generate higher power due to high wind speeds. To achieve this, wind turbine manufacturers are introducing larger and scaled-up designs to meet the global energy demands. However, these models suffer from large structural loads and deformations when subjected to varying environmental loadings. Therefore, it is necessary to fully comprehend the multibody coupled dynamics of such large offshore structures before proceeding towards their installation in open oceans. This paper carries out an extensive investigation on the ultimate load analysis and fully coupled dynamic response of the 15 MW reference turbine mounted over a UMaine VolturnUS-S semi-submersible floating platform. We used OpenFAST to carry out the stability and full-system linearization studies followed by a detailed time-domain analysis for the power production, parked and fault conditions. We began with a brief background theory on linearization and eigenanalysis for identifying the natural frequencies followed by discussion of the Campbell diagram showing the full-system natural frequencies. It was observed that the multi-blade coordinate code does not correctly pick the natural frequencies. Additional free decay tests have been carried out to verify the full-system natural frequencies. The variation of mean, minimum and maximum values of various characteristic loads and platform motions with respect to different environmental conditions are also presented. We also discussed the change in dynamic response due to the yaw misalignment, wind–wave misalignment, and second-order wave forces. The parked and fault conditions were found to be the critical design load cases (DLCs) for the design of IEA 15 MW wind turbine mounted on Volturn US-S semi-submersible. Furthermore, this paper gives an insight of the important DLCs to be considered while computing the design loads for similar large wind turbine structures.},\\n\\tlanguage = {en},\\n\\turldate = {2022-03-25},\\n\\tjournal = {Ocean Engineering},\\n\\tauthor = {Niranjan, Ramya and Ramisetti, Srinivasa B.},\\n\\tmonth = may,\\n\\tyear = {2022},\\n\\tpages = {111024},\\n}\\n\\n\",\"author_short\":[\"Niranjan, R.\",\"Ramisetti, S. B.\"],\"key\":\"niranjan_insights_2022\",\"id\":\"niranjan_insights_2022\",\"bibbaseid\":\"niranjan-ramisetti-insightsfromdetailednumericalinvestigationof15mwoffshoresemisubmersiblewindturbineusingaerohydroservoelasticcode-2022\",\"role\":\"author\",\"urls\":{\"Paper\":\"https://www.sciencedirect.com/science/article/pii/S0029801822004449\"},\"metadata\":{\"authorlinks\":{\"ramisetti, s\":\"https://ramisetti.github.io/publications/\"}},\"html\":\"\"},{\"bibtype\":\"article\",\"type\":\"article\",\"title\":\"Adsorption behaviour of boron nitride nanosheets towards the positive, negative and the neutral antibiotics: Insights from first principle studies\",\"volume\":\"46\",\"issn\":\"2214-7144\",\"shorttitle\":\"Adsorption behaviour of boron nitride nanosheets towards the positive, negative and the neutral antibiotics\",\"url\":\"https://www.sciencedirect.com/science/article/pii/S2214714421006425\",\"doi\":\"10.1016/j.jwpe.2021.102555\",\"abstract\":\"In this study, the adsorption of ampicillin (APC, positive), ciprofloxacin (CFX, neutral) and cephalosporin (CLS, negative) antibiotics on boron nitride nanosheets (BNNS) were investigated using the first principle density functional theory. To make a comprehensive study on the adsorption of the positive, negative and neutral antibiotics on the BNNS, investigations were made using the electrostatic potential maps, natural-bonding orbitals charge distributions and the density of states plots. Theoretical IR spectra of clusters before and after adsorption were obtained to study the stability of the post adsorption complexes. Koopman's approach was used to study the properties of antibiotics and complex clusters. The quantum mechanical descriptors of various systems were also calculated to comment upon the feasibility of the interactions. From the electrostatic potential contours and the natural-bonding orbitals charge transfer data, it was clear that the maximum charge accretion occurred in the CLS-BNNS complex. APC was the closest to the BNNS at a distance of 2.52 Å. The adsorption energies calculated for the three complex clusters revealed that CLS released the most adsorption energy of −167.74 kJ/mol, indicating that interaction was maximum for CLS antibiotics. CLS-BNNS cluster exhibited the smallest HOMO-LUMO gap, indicating that CLS antibiotic adsorption on the BNNS was more favourable among the three antibiotics. The plausible mechanism investigated indicated that the interactions between antibiotics and BNNS were mainly due to the weak Van der Waal forces. This theoretical study showed the promising application of BNNS as an effective adsorbing material for removing negatively charged antibiotics from an aqueous stream.\",\"language\":\"en\",\"urldate\":\"2022-01-30\",\"journal\":\"Journal of Water Process Engineering\",\"author\":[{\"propositions\":[],\"lastnames\":[\"Yadav\"],\"firstnames\":[\"Anshul\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Dindorkar\"],\"firstnames\":[\"Shreyas\",\"S.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Ramisetti\"],\"firstnames\":[\"Srinivasa\",\"B.\"],\"suffixes\":[]}],\"month\":\"April\",\"year\":\"2022\",\"pages\":\"102555\",\"bibtex\":\"@article{yadav_adsorption_2022,\\n\\ttitle = {Adsorption behaviour of boron nitride nanosheets towards the positive, negative and the neutral antibiotics: {Insights} from first principle studies},\\n\\tvolume = {46},\\n\\tissn = {2214-7144},\\n\\tshorttitle = {Adsorption behaviour of boron nitride nanosheets towards the positive, negative and the neutral antibiotics},\\n\\turl = {https://www.sciencedirect.com/science/article/pii/S2214714421006425},\\n\\tdoi = {10.1016/j.jwpe.2021.102555},\\n\\tabstract = {In this study, the adsorption of ampicillin (APC, positive), ciprofloxacin (CFX, neutral) and cephalosporin (CLS, negative) antibiotics on boron nitride nanosheets (BNNS) were investigated using the first principle density functional theory. To make a comprehensive study on the adsorption of the positive, negative and neutral antibiotics on the BNNS, investigations were made using the electrostatic potential maps, natural-bonding orbitals charge distributions and the density of states plots. Theoretical IR spectra of clusters before and after adsorption were obtained to study the stability of the post adsorption complexes. Koopman's approach was used to study the properties of antibiotics and complex clusters. The quantum mechanical descriptors of various systems were also calculated to comment upon the feasibility of the interactions. From the electrostatic potential contours and the natural-bonding orbitals charge transfer data, it was clear that the maximum charge accretion occurred in the CLS-BNNS complex. APC was the closest to the BNNS at a distance of 2.52 Å. The adsorption energies calculated for the three complex clusters revealed that CLS released the most adsorption energy of −167.74 kJ/mol, indicating that interaction was maximum for CLS antibiotics. CLS-BNNS cluster exhibited the smallest HOMO-LUMO gap, indicating that CLS antibiotic adsorption on the BNNS was more favourable among the three antibiotics. The plausible mechanism investigated indicated that the interactions between antibiotics and BNNS were mainly due to the weak Van der Waal forces. This theoretical study showed the promising application of BNNS as an effective adsorbing material for removing negatively charged antibiotics from an aqueous stream.},\\n\\tlanguage = {en},\\n\\turldate = {2022-01-30},\\n\\tjournal = {Journal of Water Process Engineering},\\n\\tauthor = {Yadav, Anshul and Dindorkar, Shreyas S. and Ramisetti, Srinivasa B.},\\n\\tmonth = apr,\\n\\tyear = {2022},\\n\\tpages = {102555},\\n}\\n\\n\",\"author_short\":[\"Yadav, A.\",\"Dindorkar, S. S.\",\"Ramisetti, S. B.\"],\"key\":\"yadav_adsorption_2022\",\"id\":\"yadav_adsorption_2022\",\"bibbaseid\":\"yadav-dindorkar-ramisetti-adsorptionbehaviourofboronnitridenanosheetstowardsthepositivenegativeandtheneutralantibioticsinsightsfromfirstprinciplestudies-2022\",\"role\":\"author\",\"urls\":{\"Paper\":\"https://www.sciencedirect.com/science/article/pii/S2214714421006425\"},\"metadata\":{\"authorlinks\":{\"ramisetti, s\":\"https://ramisetti.github.io/publications/\"}},\"html\":\"\"},{\"bibtype\":\"article\",\"type\":\"article\",\"title\":\"Atomistic Molecular Dynamic Simulation of Dilute Poly(acrylic acid) Solution: Effects of Simulation Size Sensitivity and Ionic Strength\",\"volume\":\"57\",\"issn\":\"0888-5885\",\"shorttitle\":\"Atomistic Molecular Dynamic Simulation of Dilute Poly(acrylic acid) Solution\",\"url\":\"https://doi.org/10.1021/acs.iecr.8b03549\",\"doi\":\"10.1021/acs.iecr.8b03549\",\"abstract\":\"Physical properties of polyelectrolytes have been shown to be significantly related to their chain conformations. Atomistic simulation has been used as an effective method for studying polymer chain structures, but few simulations have focused on the effects of chain length and tacticity in the presence of monovalent salts. This paper investigated the microscopic conformation behaviors of poly(acrylic acid) (PAA) with different chain sizes, tacticities, and sodium chloride concentrations. The hydrogen behaviors and corresponding radial distribution functions were obtained. The results showed that the increase of salt concentrations led to the collapse of PAA chains, especially for longer chains. It was found that the effects of salt were mainly attributed to the shielding screening effect by sodium ions rather than the hydrogen bonding effect. Two different structures were formed by isotactic PAA and syndiotactic PAA, respectively, which were due to the deprotonation patterns along the PAA chain.\",\"number\":\"50\",\"urldate\":\"2020-08-20\",\"journal\":\"Industrial & Engineering Chemistry Research\",\"author\":[{\"propositions\":[],\"lastnames\":[\"Yao\"],\"firstnames\":[\"Guice\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Zhao\"],\"firstnames\":[\"Jin\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Ramisetti\"],\"firstnames\":[\"Srinivasa\",\"B.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Wen\"],\"firstnames\":[\"Dongsheng\"],\"suffixes\":[]}],\"month\":\"December\",\"year\":\"2018\",\"note\":\"Publisher: American Chemical Society\",\"pages\":\"17129–17141\",\"bibtex\":\"@article{yao_atomistic_2018,\\n\\ttitle = {Atomistic {Molecular} {Dynamic} {Simulation} of {Dilute} {Poly}(acrylic acid) {Solution}: {Effects} of {Simulation} {Size} {Sensitivity} and {Ionic} {Strength}},\\n\\tvolume = {57},\\n\\tissn = {0888-5885},\\n\\tshorttitle = {Atomistic {Molecular} {Dynamic} {Simulation} of {Dilute} {Poly}(acrylic acid) {Solution}},\\n\\turl = {https://doi.org/10.1021/acs.iecr.8b03549},\\n\\tdoi = {10.1021/acs.iecr.8b03549},\\n\\tabstract = {Physical properties of polyelectrolytes have been shown to be significantly related to their chain conformations. Atomistic simulation has been used as an effective method for studying polymer chain structures, but few simulations have focused on the effects of chain length and tacticity in the presence of monovalent salts. This paper investigated the microscopic conformation behaviors of poly(acrylic acid) (PAA) with different chain sizes, tacticities, and sodium chloride concentrations. The hydrogen behaviors and corresponding radial distribution functions were obtained. The results showed that the increase of salt concentrations led to the collapse of PAA chains, especially for longer chains. It was found that the effects of salt were mainly attributed to the shielding screening effect by sodium ions rather than the hydrogen bonding effect. Two different structures were formed by isotactic PAA and syndiotactic PAA, respectively, which were due to the deprotonation patterns along the PAA chain.},\\n\\tnumber = {50},\\n\\turldate = {2020-08-20},\\n\\tjournal = {Industrial \\\\& Engineering Chemistry Research},\\n\\tauthor = {Yao, Guice and Zhao, Jin and Ramisetti, Srinivasa B. and Wen, Dongsheng},\\n\\tmonth = dec,\\n\\tyear = {2018},\\n\\tnote = {Publisher: American Chemical Society},\\n\\tpages = {17129--17141},\\n}\\n\\n\",\"author_short\":[\"Yao, G.\",\"Zhao, J.\",\"Ramisetti, S. B.\",\"Wen, D.\"],\"key\":\"yao_atomistic_2018\",\"id\":\"yao_atomistic_2018\",\"bibbaseid\":\"yao-zhao-ramisetti-wen-atomisticmoleculardynamicsimulationofdilutepolyacrylicacidsolutioneffectsofsimulationsizesensitivityandionicstrength-2018\",\"role\":\"author\",\"urls\":{\"Paper\":\"https://doi.org/10.1021/acs.iecr.8b03549\"},\"metadata\":{\"authorlinks\":{\"ramisetti, s\":\"https://ramisetti.github.io/publications/\"}},\"downloads\":0,\"html\":\"\"},{\"bibtype\":\"article\",\"type\":\"article\",\"title\":\"Carbon quantum dots with tracer-like breakthrough ability for reservoir characterization\",\"issn\":\"0048-9697\",\"url\":\"http://www.sciencedirect.com/science/article/pii/S0048969719309854\",\"doi\":\"10.1016/j.scitotenv.2019.03.007\",\"abstract\":\"Predictions have shown that our demand for oil and gas will continue to grow in the next decade, and future supply will become more reliant on tertiary recovery and from nonconventional resources. However, current reservoir characterization methodologies, such as well logs, cross-well electromagnetic imaging and seismic methods, have their individual limitations on detection range and resolution. Here we propose a pioneering way to use carbon quantum dots (CQDs) as nanoparticle tracers, which can be transported through a reservoir functioning as conventional tracers, while acting as sensors to obtain useful information. These hydrothermally produced CQDs from Xylose possess excellent stability in high ionic strength solutions, durable absorbance and fluorescence ability due to multi high-polarity functional group on their surfaces. Consistency between our on-line ultraviolet–visible (UV–Vis) spectroscopy and off-line Confocal laser scanning microscopy (CLSM) measurements confirms that CQDs have the tracer-like migration capability in glass beads-packed columns and sandstone cores, regardless of particle concentration and ionic strength. However, their migration ability is undermined in the column packed with crushed calcite grains with positive charge. We also demonstrate that quantitative oil saturation detection in unknown sandstone core samples can be achieved by such CQDs based on its breakthrough properties influenced by the presence of oil phase.\",\"urldate\":\"2019-03-09\",\"journal\":\"Science of The Total Environment\",\"author\":[{\"propositions\":[],\"lastnames\":[\"Hu\"],\"firstnames\":[\"Zhongliang\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Gao\"],\"firstnames\":[\"Hui\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Ramisetti\"],\"firstnames\":[\"Srinivasa\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Zhao\"],\"firstnames\":[\"Jin\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Nourafkan\"],\"firstnames\":[\"Ehsan\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Glover\"],\"firstnames\":[\"Paul\",\"W.\",\"J.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Wen\"],\"firstnames\":[\"Dongsheng\"],\"suffixes\":[]}],\"month\":\"March\",\"year\":\"2019\",\"keywords\":\"High salinity, Quantum dots, Scalable nanotracer, Subsurface reservoir characterization, Transport behaviour\",\"bibtex\":\"@article{hu_carbon_2019,\\n\\ttitle = {Carbon quantum dots with tracer-like breakthrough ability for reservoir characterization},\\n\\tissn = {0048-9697},\\n\\turl = {http://www.sciencedirect.com/science/article/pii/S0048969719309854},\\n\\tdoi = {10.1016/j.scitotenv.2019.03.007},\\n\\tabstract = {Predictions have shown that our demand for oil and gas will continue to grow in the next decade, and future supply will become more reliant on tertiary recovery and from nonconventional resources. However, current reservoir characterization methodologies, such as well logs, cross-well electromagnetic imaging and seismic methods, have their individual limitations on detection range and resolution. Here we propose a pioneering way to use carbon quantum dots (CQDs) as nanoparticle tracers, which can be transported through a reservoir functioning as conventional tracers, while acting as sensors to obtain useful information. These hydrothermally produced CQDs from Xylose possess excellent stability in high ionic strength solutions, durable absorbance and fluorescence ability due to multi high-polarity functional group on their surfaces. Consistency between our on-line ultraviolet–visible (UV–Vis) spectroscopy and off-line Confocal laser scanning microscopy (CLSM) measurements confirms that CQDs have the tracer-like migration capability in glass beads-packed columns and sandstone cores, regardless of particle concentration and ionic strength. However, their migration ability is undermined in the column packed with crushed calcite grains with positive charge. We also demonstrate that quantitative oil saturation detection in unknown sandstone core samples can be achieved by such CQDs based on its breakthrough properties influenced by the presence of oil phase.},\\n\\turldate = {2019-03-09},\\n\\tjournal = {Science of The Total Environment},\\n\\tauthor = {Hu, Zhongliang and Gao, Hui and Ramisetti, Srinivasa and Zhao, Jin and Nourafkan, Ehsan and Glover, Paul W. J. and Wen, Dongsheng},\\n\\tmonth = mar,\\n\\tyear = {2019},\\n\\tkeywords = {High salinity, Quantum dots, Scalable nanotracer, Subsurface reservoir characterization, Transport behaviour},\\n}\\n\\n\",\"author_short\":[\"Hu, Z.\",\"Gao, H.\",\"Ramisetti, S.\",\"Zhao, J.\",\"Nourafkan, E.\",\"Glover, P. W. J.\",\"Wen, D.\"],\"key\":\"hu_carbon_2019\",\"id\":\"hu_carbon_2019\",\"bibbaseid\":\"hu-gao-ramisetti-zhao-nourafkan-glover-wen-carbonquantumdotswithtracerlikebreakthroughabilityforreservoircharacterization-2019\",\"role\":\"author\",\"urls\":{\"Paper\":\"http://www.sciencedirect.com/science/article/pii/S0048969719309854\"},\"keyword\":[\"High salinity\",\"Quantum dots\",\"Scalable nanotracer\",\"Subsurface reservoir characterization\",\"Transport behaviour\"],\"metadata\":{\"authorlinks\":{\"ramisetti, s\":\"https://ramisetti.github.io/publications/\"}},\"downloads\":0,\"html\":\"\"},{\"bibtype\":\"article\",\"type\":\"article\",\"title\":\"Molecular dynamics investigation of substrate wettability alteration and oil transport in a calcite nanopore\",\"volume\":\"239\",\"issn\":\"0016-2361\",\"url\":\"http://www.sciencedirect.com/science/article/pii/S0016236118319860\",\"doi\":\"10.1016/j.fuel.2018.11.089\",\"abstract\":\"Low salinity flooding has been proposed as a promising method for enhanced oil recovery, but the underlying mechanism remains unclear especially for carbonate reservoirs. This work investigates the effect of water salinity in altering the wettability of nano-slit pores for three types of calcite surfaces (i.e., a neutral nonpolar \\\\101-4\\\\ surface, and the polar \\\\0 0 0 1\\\\ surface with positively and negatively charged surfaces) using classical, equilibrium molecular dynamic (EMD) simulations. In addition, non-equilibrium MD simulations (NEMD) reveal the influence of wettability on the oil transport properties in a nano-pore at different salt concentrations of sodium chloride (NaCl) (0.20 M, 0.50 M, and 1.00 M). Results show that increasing water salinity has little effect on the wettability of a nano-pore comprised of neutral calcite surfaces. For a calcite nano-slit pore comprised of charged surfaces, however, the dipole-ion interaction alters the surface wettability creating a more hydrophilic surface due to the hydration effect of ions at elevated salt concentrations. While a partially decane-wet neutral nonpolar calcite surface greatly inhibits the movement of an oil droplet in the pore, greater oil mobility is achieved for dipolar nano-pores, especially at elevated salt concentrations.\",\"urldate\":\"2018-12-04\",\"journal\":\"Fuel\",\"author\":[{\"propositions\":[],\"lastnames\":[\"Zhao\"],\"firstnames\":[\"Jin\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Yao\"],\"firstnames\":[\"Guice\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Ramisetti\"],\"firstnames\":[\"Srinivasa\",\"B.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Hammond\"],\"firstnames\":[\"Robert\",\"B.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Wen\"],\"firstnames\":[\"Dongsheng\"],\"suffixes\":[]}],\"month\":\"March\",\"year\":\"2019\",\"keywords\":\"Dipolar nano-pores, Enhanced oil recovery, Low salinity, Molecular dynamics, Wettability\",\"pages\":\"1149–1161\",\"bibtex\":\"@article{zhao_molecular_2019,\\n\\ttitle = {Molecular dynamics investigation of substrate wettability alteration and oil transport in a calcite nanopore},\\n\\tvolume = {239},\\n\\tissn = {0016-2361},\\n\\turl = {http://www.sciencedirect.com/science/article/pii/S0016236118319860},\\n\\tdoi = {10.1016/j.fuel.2018.11.089},\\n\\tabstract = {Low salinity flooding has been proposed as a promising method for enhanced oil recovery, but the underlying mechanism remains unclear especially for carbonate reservoirs. This work investigates the effect of water salinity in altering the wettability of nano-slit pores for three types of calcite surfaces (i.e., a neutral nonpolar \\\\{101-4\\\\} surface, and the polar \\\\{0 0 0 1\\\\} surface with positively and negatively charged surfaces) using classical, equilibrium molecular dynamic (EMD) simulations. In addition, non-equilibrium MD simulations (NEMD) reveal the influence of wettability on the oil transport properties in a nano-pore at different salt concentrations of sodium chloride (NaCl) (0.20 M, 0.50 M, and 1.00 M). Results show that increasing water salinity has little effect on the wettability of a nano-pore comprised of neutral calcite surfaces. For a calcite nano-slit pore comprised of charged surfaces, however, the dipole-ion interaction alters the surface wettability creating a more hydrophilic surface due to the hydration effect of ions at elevated salt concentrations. While a partially decane-wet neutral nonpolar calcite surface greatly inhibits the movement of an oil droplet in the pore, greater oil mobility is achieved for dipolar nano-pores, especially at elevated salt concentrations.},\\n\\turldate = {2018-12-04},\\n\\tjournal = {Fuel},\\n\\tauthor = {Zhao, Jin and Yao, Guice and Ramisetti, Srinivasa B. and Hammond, Robert B. and Wen, Dongsheng},\\n\\tmonth = mar,\\n\\tyear = {2019},\\n\\tkeywords = {Dipolar nano-pores, Enhanced oil recovery, Low salinity, Molecular dynamics, Wettability},\\n\\tpages = {1149--1161},\\n}\\n\\n\",\"author_short\":[\"Zhao, J.\",\"Yao, G.\",\"Ramisetti, S. B.\",\"Hammond, R. B.\",\"Wen, D.\"],\"key\":\"zhao_molecular_2019\",\"id\":\"zhao_molecular_2019\",\"bibbaseid\":\"zhao-yao-ramisetti-hammond-wen-moleculardynamicsinvestigationofsubstratewettabilityalterationandoiltransportinacalcitenanopore-2019\",\"role\":\"author\",\"urls\":{\"Paper\":\"http://www.sciencedirect.com/science/article/pii/S0016236118319860\"},\"keyword\":[\"Dipolar nano-pores\",\"Enhanced oil recovery\",\"Low salinity\",\"Molecular dynamics\",\"Wettability\"],\"metadata\":{\"authorlinks\":{\"ramisetti, s\":\"https://ramisetti.github.io/publications/\"}},\"downloads\":0,\"html\":\"\"},{\"bibtype\":\"article\",\"type\":\"article\",\"title\":\"Molecular Dynamics Simulation of the Salinity Effect on the n-Decane/Water/Vapor Interfacial Equilibrium\",\"volume\":\"32\",\"issn\":\"0887-0624\",\"url\":\"https://doi.org/10.1021/acs.energyfuels.8b00706\",\"doi\":\"10.1021/acs.energyfuels.8b00706\",\"abstract\":\"Low-salinity water flooding of formation water in rock cores is, potentially, a promising technique for enhanced oil recovery (EOR), but details of the underlying mechanisms remain unclear. The salinity effect on the interface between water and oil was investigated here using the molecular dynamics (MD) simulation method. n-Decane was selected as a representative oil component, and SPC/E water and all-atom optimized potentials for liquid simulations (OPLS-AA) force fields were used to describe the water/oil/ionic interactions for saltwater and n-decane molecules. Equilibrium MD simulations were first conducted to study the n-decane/vapor and saltwater/vapor interface systems at six different NaCl concentrations (0, 0.05, 0.10, 0.20, 0.50, and 1.00 M). The water/oil interface was then investigated by calculating bulk density distribution, radial distribution function, interface thickness, and water/oil interfacial tension (IFT). Sufficiently long MD simulations of water/n-decane/vapor were performed, followed by an analysis of the effect of salinity on the water/oil/vapor interface. The IFT values for the water/vacuum interface, n-decane/vacuum interface, and water/n-decane interface were obtained from the pressure tensor distribution after system equilibration, with values of 71.4, 20.5, and 65.3 mN/m, respectively, which agree well with experimental and numerical results reported in the literature. An optimal salinity of ∼0.20 M was identified corresponding to a maximum interfacial thickness between water and the oil phase, which results in a minimum water/oil IFT value and a maximum value for the oil/water contact angle, a condition beneficial for EOR.\",\"number\":\"11\",\"urldate\":\"2018-12-04\",\"journal\":\"Energy & Fuels\",\"author\":[{\"propositions\":[],\"lastnames\":[\"Zhao\"],\"firstnames\":[\"Jin\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Yao\"],\"firstnames\":[\"Guice\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Ramisetti\"],\"firstnames\":[\"Srinivasa\",\"B.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Hammond\"],\"firstnames\":[\"Robert\",\"B.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Wen\"],\"firstnames\":[\"Dongsheng\"],\"suffixes\":[]}],\"month\":\"November\",\"year\":\"2018\",\"pages\":\"11080–11092\",\"bibtex\":\"@article{zhao_molecular_2018,\\n\\ttitle = {Molecular {Dynamics} {Simulation} of the {Salinity} {Effect} on the n-{Decane}/{Water}/{Vapor} {Interfacial} {Equilibrium}},\\n\\tvolume = {32},\\n\\tissn = {0887-0624},\\n\\turl = {https://doi.org/10.1021/acs.energyfuels.8b00706},\\n\\tdoi = {10.1021/acs.energyfuels.8b00706},\\n\\tabstract = {Low-salinity water flooding of formation water in rock cores is, potentially, a promising technique for enhanced oil recovery (EOR), but details of the underlying mechanisms remain unclear. The salinity effect on the interface between water and oil was investigated here using the molecular dynamics (MD) simulation method. n-Decane was selected as a representative oil component, and SPC/E water and all-atom optimized potentials for liquid simulations (OPLS-AA) force fields were used to describe the water/oil/ionic interactions for saltwater and n-decane molecules. Equilibrium MD simulations were first conducted to study the n-decane/vapor and saltwater/vapor interface systems at six different NaCl concentrations (0, 0.05, 0.10, 0.20, 0.50, and 1.00 M). The water/oil interface was then investigated by calculating bulk density distribution, radial distribution function, interface thickness, and water/oil interfacial tension (IFT). Sufficiently long MD simulations of water/n-decane/vapor were performed, followed by an analysis of the effect of salinity on the water/oil/vapor interface. The IFT values for the water/vacuum interface, n-decane/vacuum interface, and water/n-decane interface were obtained from the pressure tensor distribution after system equilibration, with values of 71.4, 20.5, and 65.3 mN/m, respectively, which agree well with experimental and numerical results reported in the literature. An optimal salinity of ∼0.20 M was identified corresponding to a maximum interfacial thickness between water and the oil phase, which results in a minimum water/oil IFT value and a maximum value for the oil/water contact angle, a condition beneficial for EOR.},\\n\\tnumber = {11},\\n\\turldate = {2018-12-04},\\n\\tjournal = {Energy \\\\& Fuels},\\n\\tauthor = {Zhao, Jin and Yao, Guice and Ramisetti, Srinivasa B. and Hammond, Robert B. and Wen, Dongsheng},\\n\\tmonth = nov,\\n\\tyear = {2018},\\n\\tpages = {11080--11092},\\n}\\n\\n\",\"author_short\":[\"Zhao, J.\",\"Yao, G.\",\"Ramisetti, S. B.\",\"Hammond, R. B.\",\"Wen, D.\"],\"key\":\"zhao_molecular_2018\",\"id\":\"zhao_molecular_2018\",\"bibbaseid\":\"zhao-yao-ramisetti-hammond-wen-moleculardynamicssimulationofthesalinityeffectonthendecanewatervaporinterfacialequilibrium-2018\",\"role\":\"author\",\"urls\":{\"Paper\":\"https://doi.org/10.1021/acs.energyfuels.8b00706\"},\"metadata\":{\"authorlinks\":{\"ramisetti, s\":\"https://ramisetti.github.io/publications/\"}},\"downloads\":0,\"html\":\"\"},{\"bibtype\":\"incollection\",\"type\":\"incollection\",\"title\":\"MD/FE Multiscale Modeling of Contact\",\"isbn\":\"978-3-319-10560-4\",\"url\":\"https://doi.org/10.1007/978-3-319-10560-4_14\",\"abstract\":\"Limitations of single scale approaches to study the complex physics involved in friction have motivated the development of multiscale models. We review the state-of-the-art multiscale models that have been developed up to date. These have been successfully applied to a variety of physical problems, but that were limited, in most cases, to zero Kelvin studies. We illustrate some of the technical challenges involved with simulating a frictional sliding problem, which by nature generates a large amount of heat. These challenges can be overcome by a proper usage of spatial filters, which we combine to a direct finite-temperature multiscale approach coupling molecular dynamics with finite elements. The basic building block relies on the proper definition of a scale transfer operator using the least square minimization and spatial filtering. Then, the restitution force from the generalized Langevin equation is modified to perform a two-way thermal coupling between the two models. Numerical examples are shown to illustrate the proposed coupling formulation.\",\"booktitle\":\"Fundamentals of Friction and Wear on the Nanoscale\",\"publisher\":\"Springer International Publishing\",\"author\":[{\"propositions\":[],\"lastnames\":[\"Ramisetti\"],\"firstnames\":[\"Srinivasa\",\"Babu\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Anciaux\"],\"firstnames\":[\"Guillaume\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Molinari\"],\"firstnames\":[\"Jean-Francois\"],\"suffixes\":[]}],\"editor\":[{\"propositions\":[],\"lastnames\":[\"Gnecco\"],\"firstnames\":[\"Enrico\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Meyer\"],\"firstnames\":[\"Ernst\"],\"suffixes\":[]}],\"year\":\"2015\",\"doi\":\"10.1007/978-3-319-10560-4_14\",\"pages\":\"289–312\",\"bibtex\":\"@incollection{ramisetti_md/fe_2015,\\n\\ttitle = {{MD}/{FE} {Multiscale} {Modeling} of {Contact}},\\n\\tisbn = {978-3-319-10560-4},\\n\\turl = {https://doi.org/10.1007/978-3-319-10560-4_14},\\n\\tabstract = {Limitations of single scale approaches to study the complex physics involved in friction have motivated the development of multiscale models. We review the state-of-the-art multiscale models that have been developed up to date. These have been successfully applied to a variety of physical problems, but that were limited, in most cases, to zero Kelvin studies. We illustrate some of the technical challenges involved with simulating a frictional sliding problem, which by nature generates a large amount of heat. These challenges can be overcome by a proper usage of spatial filters, which we combine to a direct finite-temperature multiscale approach coupling molecular dynamics with finite elements. The basic building block relies on the proper definition of a scale transfer operator using the least square minimization and spatial filtering. Then, the restitution force from the generalized Langevin equation is modified to perform a two-way thermal coupling between the two models. Numerical examples are shown to illustrate the proposed coupling formulation.},\\n\\tbooktitle = {Fundamentals of {Friction} and {Wear} on the {Nanoscale}},\\n\\tpublisher = {Springer International Publishing},\\n\\tauthor = {Ramisetti, Srinivasa Babu and Anciaux, Guillaume and Molinari, Jean-Francois},\\n\\teditor = {Gnecco, Enrico and Meyer, Ernst},\\n\\tyear = {2015},\\n\\tdoi = {10.1007/978-3-319-10560-4_14},\\n\\tpages = {289--312},\\n}\\n\\n\",\"author_short\":[\"Ramisetti, S. B.\",\"Anciaux, G.\",\"Molinari, J.\"],\"editor_short\":[\"Gnecco, E.\",\"Meyer, E.\"],\"key\":\"ramisetti_md/fe_2015\",\"id\":\"ramisetti_md/fe_2015\",\"bibbaseid\":\"ramisetti-anciaux-molinari-mdfemultiscalemodelingofcontact-2015\",\"role\":\"author\",\"urls\":{\"Paper\":\"https://doi.org/10.1007/978-3-319-10560-4_14\"},\"metadata\":{\"authorlinks\":{\"ramisetti, s\":\"https://ramisetti.github.io/publications/\"}},\"downloads\":0,\"html\":\"\"},{\"bibtype\":\"article\",\"type\":\"article\",\"title\":\"mdFoam+: Advanced molecular dynamics in OpenFOAM\",\"volume\":\"224\",\"issn\":\"0010-4655\",\"shorttitle\":\"mdFoam+\",\"url\":\"http://www.sciencedirect.com/science/article/pii/S0010465517303363\",\"doi\":\"10.1016/j.cpc.2017.09.029\",\"abstract\":\"This paper introduces mdFoam+, which is an MPI parallelised molecular dynamics (MD) solver implemented entirely within the OpenFOAM software framework. It is open-source and released under the same GNU General Public License (GPL) as OpenFOAM. The source code is released as a publicly open software repository that includes detailed documentation and tutorial cases. Since mdFoam+ is designed entirely within the OpenFOAM C++ object-oriented framework, it inherits a number of key features. The code is designed for extensibility and flexibility, so it is aimed first and foremost as an MD research tool, in which new models and test cases can be developed and tested rapidly. Implementing mdFoam+ in OpenFOAM also enables easier development of hybrid methods that couple MD with continuum-based solvers. Setting up MD cases follows the standard OpenFOAM format, as mdFoam+ also relies upon the OpenFOAM dictionary-based directory structure. This ensures that useful pre- and post-processing capabilities provided by OpenFOAM remain available even though the fully Lagrangian nature of an MD simulation is not typical of most OpenFOAM applications. Results show that mdFoam+ compares well to another well-known MD code (e.g. LAMMPS) in terms of benchmark problems, although it also has additional functionality that does not exist in other open-source MD codes. Program summary Program title: mdFoam+ Program Files doi: http://dx.doi.org/10.17632/7b4xkpx43b.1 Licensing provisions: GNU General Public License 3 (GPLv3) Programming language: C++ Nature of problem: mdFoam+ has been developed to help investigate complex fluid flow problems at the micro and nano scales using molecular dynamics (MD). It provides an easily extended, parallelised, molecular dynamics environment. Solution method: mdFoam+ implements a classical molecular dynamics solution using an explicit time-stepping regime and inter-molecular force-field types appropriate for studying fluid dynamics problems down to the nano-scale. References: All appropriate methodological references are contained in the section entitled References.\",\"urldate\":\"2018-04-25\",\"journal\":\"Computer Physics Communications\",\"author\":[{\"propositions\":[],\"lastnames\":[\"Longshaw\"],\"firstnames\":[\"S.\",\"M.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Borg\"],\"firstnames\":[\"M.\",\"K.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Ramisetti\"],\"firstnames\":[\"S.\",\"B.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Zhang\"],\"firstnames\":[\"J.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Lockerby\"],\"firstnames\":[\"D.\",\"A.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Emerson\"],\"firstnames\":[\"D.\",\"R.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Reese\"],\"firstnames\":[\"J.\",\"M.\"],\"suffixes\":[]}],\"month\":\"March\",\"year\":\"2018\",\"pages\":\"1–21\",\"bibtex\":\"@article{longshaw_mdfoam+:_2018,\\n\\ttitle = {{mdFoam}+: {Advanced} molecular dynamics in {OpenFOAM}},\\n\\tvolume = {224},\\n\\tissn = {0010-4655},\\n\\tshorttitle = {{mdFoam}+},\\n\\turl = {http://www.sciencedirect.com/science/article/pii/S0010465517303363},\\n\\tdoi = {10.1016/j.cpc.2017.09.029},\\n\\tabstract = {This paper introduces mdFoam+, which is an MPI parallelised molecular dynamics (MD) solver implemented entirely within the OpenFOAM software framework. It is open-source and released under the same GNU General Public License (GPL) as OpenFOAM. The source code is released as a publicly open software repository that includes detailed documentation and tutorial cases. Since mdFoam+ is designed entirely within the OpenFOAM C++ object-oriented framework, it inherits a number of key features. The code is designed for extensibility and flexibility, so it is aimed first and foremost as an MD research tool, in which new models and test cases can be developed and tested rapidly. Implementing mdFoam+ in OpenFOAM also enables easier development of hybrid methods that couple MD with continuum-based solvers. Setting up MD cases follows the standard OpenFOAM format, as mdFoam+ also relies upon the OpenFOAM dictionary-based directory structure. This ensures that useful pre- and post-processing capabilities provided by OpenFOAM remain available even though the fully Lagrangian nature of an MD simulation is not typical of most OpenFOAM applications. Results show that mdFoam+ compares well to another well-known MD code (e.g. LAMMPS) in terms of benchmark problems, although it also has additional functionality that does not exist in other open-source MD codes.\\nProgram summary\\nProgram title: mdFoam+ Program Files doi: http://dx.doi.org/10.17632/7b4xkpx43b.1 Licensing provisions: GNU General Public License 3 (GPLv3) Programming language: C++ Nature of problem: mdFoam+ has been developed to help investigate complex fluid flow problems at the micro and nano scales using molecular dynamics (MD). It provides an easily extended, parallelised, molecular dynamics environment. Solution method: mdFoam+ implements a classical molecular dynamics solution using an explicit time-stepping regime and inter-molecular force-field types appropriate for studying fluid dynamics problems down to the nano-scale. References: All appropriate methodological references are contained in the section entitled References.},\\n\\turldate = {2018-04-25},\\n\\tjournal = {Computer Physics Communications},\\n\\tauthor = {Longshaw, S. M. and Borg, M. K. and Ramisetti, S. B. and Zhang, J. and Lockerby, D. A. and Emerson, D. R. and Reese, J. M.},\\n\\tmonth = mar,\\n\\tyear = {2018},\\n\\tpages = {1--21},\\n}\\n\\n\",\"author_short\":[\"Longshaw, S. M.\",\"Borg, M. K.\",\"Ramisetti, S. B.\",\"Zhang, J.\",\"Lockerby, D. A.\",\"Emerson, D. R.\",\"Reese, J. M.\"],\"key\":\"longshaw_mdfoam+:_2018\",\"id\":\"longshaw_mdfoam+:_2018\",\"bibbaseid\":\"longshaw-borg-ramisetti-zhang-lockerby-emerson-reese-mdfoamadvancedmoleculardynamicsinopenfoam-2018\",\"role\":\"author\",\"urls\":{\"Paper\":\"http://www.sciencedirect.com/science/article/pii/S0010465517303363\"},\"metadata\":{\"authorlinks\":{\"ramisetti, s\":\"https://ramisetti.github.io/publications/\"}},\"downloads\":0,\"html\":\"\"},{\"bibtype\":\"phdthesis\",\"type\":\"phdthesis\",\"address\":\"Lausanne\",\"title\":\"Multiscale Modeling of Thermo-Mechanical Coupling Between Atomistic and Continuum Domains\",\"language\":\"eng\",\"school\":\"ENAC\",\"author\":[{\"propositions\":[],\"lastnames\":[\"Ramisetti\"],\"firstnames\":[\"Srinivasa\",\"Babu\"],\"suffixes\":[]}],\"year\":\"2013\",\"doi\":\"10.5075/epfl-thesis-6029\",\"keywords\":\"Bridging Domain method, finite element method, friction, generalized Langevin equation, heat conduction, molecular dynamics, multiscale modeling, normal contact, spatial filters, spectral energy decomposition\",\"bibtex\":\"@phdthesis{ramisetti_multiscale_2013,\\n\\taddress = {Lausanne},\\n\\ttitle = {Multiscale {Modeling} of {Thermo}-{Mechanical} {Coupling} {Between} {Atomistic} and {Continuum} {Domains}},\\n\\tlanguage = {eng},\\n\\tschool = {ENAC},\\n\\tauthor = {Ramisetti, Srinivasa Babu},\\n\\tyear = {2013},\\n\\tdoi = {10.5075/epfl-thesis-6029},\\n\\tkeywords = {Bridging Domain method, finite element method, friction, generalized Langevin equation, heat conduction, molecular dynamics, multiscale modeling, normal contact, spatial filters, spectral energy decomposition},\\n}\\n\\n\",\"author_short\":[\"Ramisetti, S. B.\"],\"key\":\"ramisetti_multiscale_2013\",\"id\":\"ramisetti_multiscale_2013\",\"bibbaseid\":\"ramisetti-multiscalemodelingofthermomechanicalcouplingbetweenatomisticandcontinuumdomains-2013\",\"role\":\"author\",\"urls\":{},\"keyword\":[\"Bridging Domain method\",\"finite element method\",\"friction\",\"generalized Langevin equation\",\"heat conduction\",\"molecular dynamics\",\"multiscale modeling\",\"normal contact\",\"spatial filters\",\"spectral energy decomposition\"],\"metadata\":{\"authorlinks\":{\"ramisetti, s\":\"https://ramisetti.github.io/publications/\"}},\"downloads\":0,\"html\":\"\"},{\"bibtype\":\"article\",\"type\":\"article\",\"title\":\"Liquid slip over gas nanofilms\",\"volume\":\"2\",\"url\":\"https://link.aps.org/doi/10.1103/PhysRevFluids.2.084003\",\"doi\":\"10.1103/PhysRevFluids.2.084003\",\"abstract\":\"We propose the rarefied-gas-cushion model (r-GCM), as an extended version of the gas-cushion model (GCM), to estimate the apparent slip of water flowing over a gas layer trapped at a solid surface. Nanobubbles or gas nanofilms may manifest rarefied-gas effects and the r-GCM incorporates kinetic boundary conditions for the gas component in the slip Knudsen regime. These enable an apparent hydrodynamic slip length to be calculated given the gas thickness, the Knudsen number, and the bulk fluid viscosities. We assess the r-GCM through nonequilibrium molecular dynamics (NEMD) simulations of shear-driven liquid flow over an infinite gas nanofilm covering a solid surface, from the gas slip regime to the early transition regime, beyond which NEMD is computationally impractical. We find that, over the flow regimes examined, the r-GCM provides better predictions of the apparent liquid slip and retrieves both the GCM and the free-molecular behavior in the appropriate limits.\",\"number\":\"8\",\"urldate\":\"2017-12-27\",\"journal\":\"Physical Review Fluids\",\"author\":[{\"propositions\":[],\"lastnames\":[\"Ramisetti\"],\"firstnames\":[\"Srinivasa\",\"B.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Borg\"],\"firstnames\":[\"Matthew\",\"K.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Lockerby\"],\"firstnames\":[\"Duncan\",\"A.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Reese\"],\"firstnames\":[\"Jason\",\"M.\"],\"suffixes\":[]}],\"month\":\"August\",\"year\":\"2017\",\"pages\":\"084003\",\"bibtex\":\"@article{ramisetti_liquid_2017,\\n\\ttitle = {Liquid slip over gas nanofilms},\\n\\tvolume = {2},\\n\\turl = {https://link.aps.org/doi/10.1103/PhysRevFluids.2.084003},\\n\\tdoi = {10.1103/PhysRevFluids.2.084003},\\n\\tabstract = {We propose the rarefied-gas-cushion model (r-GCM), as an extended version of the gas-cushion model (GCM), to estimate the apparent slip of water flowing over a gas layer trapped at a solid surface. Nanobubbles or gas nanofilms may manifest rarefied-gas effects and the r-GCM incorporates kinetic boundary conditions for the gas component in the slip Knudsen regime. These enable an apparent hydrodynamic slip length to be calculated given the gas thickness, the Knudsen number, and the bulk fluid viscosities. We assess the r-GCM through nonequilibrium molecular dynamics (NEMD) simulations of shear-driven liquid flow over an infinite gas nanofilm covering a solid surface, from the gas slip regime to the early transition regime, beyond which NEMD is computationally impractical. We find that, over the flow regimes examined, the r-GCM provides better predictions of the apparent liquid slip and retrieves both the GCM and the free-molecular behavior in the appropriate limits.},\\n\\tnumber = {8},\\n\\turldate = {2017-12-27},\\n\\tjournal = {Physical Review Fluids},\\n\\tauthor = {Ramisetti, Srinivasa B. and Borg, Matthew K. and Lockerby, Duncan A. and Reese, Jason M.},\\n\\tmonth = aug,\\n\\tyear = {2017},\\n\\tpages = {084003},\\n}\\n\\n\",\"author_short\":[\"Ramisetti, S. B.\",\"Borg, M. K.\",\"Lockerby, D. A.\",\"Reese, J. M.\"],\"key\":\"ramisetti_liquid_2017\",\"id\":\"ramisetti_liquid_2017\",\"bibbaseid\":\"ramisetti-borg-lockerby-reese-liquidslipovergasnanofilms-2017\",\"role\":\"author\",\"urls\":{\"Paper\":\"https://link.aps.org/doi/10.1103/PhysRevFluids.2.084003\"},\"metadata\":{\"authorlinks\":{\"ramisetti, s\":\"https://ramisetti.github.io/publications/\"}},\"downloads\":0,\"html\":\"\"},{\"bibtype\":\"article\",\"type\":\"article\",\"title\":\"A concurrent atomistic and continuum coupling method with applications to thermo-mechanical problems\",\"volume\":\"97\",\"issn\":\"1097-0207\",\"url\":\"http://onlinelibrary.wiley.com/doi/10.1002/nme.4606/abstract\",\"doi\":\"10.1002/nme.4606\",\"abstract\":\"We present a novel method to couple molecular dynamics with finite elements at finite temperatures using spatial filters. The mismatch in the dispersion relations between continuum and atomistic models leads, at finite temperature, to unwanted mesh vibrations, which are illustrated using a standard least square coupling formulation. We propose the use of spatial filters with the least square minimization to selectively damp the unwanted mesh vibrations. Then, we extend the idea of selective damping of wavelength modes to couple atomistic and continuum models at finite temperatures. The restitution force from the generalized Langevin equation is modified to perform a two-way thermal coupling between the two models. Three different numerical examples are shown to validate the proposed coupling formulation in two-dimensional space. Finally, the method is applied to a high-speed impact simulation. Copyright © 2013 John Wiley & Sons, Ltd.\",\"language\":\"en\",\"number\":\"10\",\"urldate\":\"2017-03-07\",\"journal\":\"International Journal for Numerical Methods in Engineering\",\"author\":[{\"propositions\":[],\"lastnames\":[\"Ramisetti\"],\"firstnames\":[\"S.\",\"B.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Anciaux\"],\"firstnames\":[\"G.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Molinari\"],\"firstnames\":[\"J.\",\"F.\"],\"suffixes\":[]}],\"month\":\"March\",\"year\":\"2014\",\"keywords\":\"Molecular dynamics, Multiscale methods, Spatial filters, generalized Langevin equation, heat conduction\",\"pages\":\"707–738\",\"bibtex\":\"@article{ramisetti_concurrent_2014,\\n\\ttitle = {A concurrent atomistic and continuum coupling method with applications to thermo-mechanical problems},\\n\\tvolume = {97},\\n\\tissn = {1097-0207},\\n\\turl = {http://onlinelibrary.wiley.com/doi/10.1002/nme.4606/abstract},\\n\\tdoi = {10.1002/nme.4606},\\n\\tabstract = {We present a novel method to couple molecular dynamics with finite elements at finite temperatures using spatial filters. The mismatch in the dispersion relations between continuum and atomistic models leads, at finite temperature, to unwanted mesh vibrations, which are illustrated using a standard least square coupling formulation. We propose the use of spatial filters with the least square minimization to selectively damp the unwanted mesh vibrations. Then, we extend the idea of selective damping of wavelength modes to couple atomistic and continuum models at finite temperatures. The restitution force from the generalized Langevin equation is modified to perform a two-way thermal coupling between the two models. Three different numerical examples are shown to validate the proposed coupling formulation in two-dimensional space. Finally, the method is applied to a high-speed impact simulation. Copyright © 2013 John Wiley \\\\& Sons, Ltd.},\\n\\tlanguage = {en},\\n\\tnumber = {10},\\n\\turldate = {2017-03-07},\\n\\tjournal = {International Journal for Numerical Methods in Engineering},\\n\\tauthor = {Ramisetti, S. B. and Anciaux, G. and Molinari, J. F.},\\n\\tmonth = mar,\\n\\tyear = {2014},\\n\\tkeywords = {Molecular dynamics, Multiscale methods, Spatial filters, generalized Langevin equation, heat conduction},\\n\\tpages = {707--738},\\n}\\n\\n\",\"author_short\":[\"Ramisetti, S. B.\",\"Anciaux, G.\",\"Molinari, J. F.\"],\"key\":\"ramisetti_concurrent_2014\",\"id\":\"ramisetti_concurrent_2014\",\"bibbaseid\":\"ramisetti-anciaux-molinari-aconcurrentatomisticandcontinuumcouplingmethodwithapplicationstothermomechanicalproblems-2014\",\"role\":\"author\",\"urls\":{\"Paper\":\"http://onlinelibrary.wiley.com/doi/10.1002/nme.4606/abstract\"},\"keyword\":[\"Molecular dynamics\",\"Multiscale methods\",\"Spatial filters\",\"generalized Langevin equation\",\"heat conduction\"],\"metadata\":{\"authorlinks\":{\"ramisetti, s\":\"https://ramisetti.github.io/publications/\"}},\"downloads\":0,\"html\":\"\"},{\"bibtype\":\"article\",\"type\":\"article\",\"title\":\"Spatial filters for bridging molecular dynamics with finite elements at finite temperatures\",\"volume\":\"253\",\"issn\":\"0045-7825\",\"url\":\"http://www.sciencedirect.com/science/article/pii/S0045782512002903\",\"doi\":\"10.1016/j.cma.2012.09.008\",\"abstract\":\"We present the application of digital filters to split the energy spectrum of an atomistic zone simulated with molecular dynamics into low and high energy components. After a brief background on digital filters, we describe the procedure used to select a cutoff frequency for the filters. Then, a one dimensional numerical model based on the generalized Langevin equation (GLE) is used to study the system dynamics. We tested both time and spatial filters for the frictional term in GLE. Our results demonstrate that spatial filters are better than time filters to perform a selective damping within a molecular dynamics zone. Two dimensional examples validating our approach are also presented. Spatial filters should thus be favored in finite-temperature direct-coupling methods between molecular dynamics and finite elements.\",\"urldate\":\"2013-04-02\",\"journal\":\"Computer Methods in Applied Mechanics and Engineering\",\"author\":[{\"propositions\":[],\"lastnames\":[\"Ramisetti\"],\"firstnames\":[\"S.\",\"B.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Anciaux\"],\"firstnames\":[\"G.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Molinari\"],\"firstnames\":[\"J.\",\"F.\"],\"suffixes\":[]}],\"month\":\"January\",\"year\":\"2013\",\"note\":\"00003\",\"keywords\":\"Molecular dynamics, Multiscale methods, Spatial filters, generalized Langevin equation\",\"pages\":\"28–38\",\"bibtex\":\"@article{ramisetti_spatial_2013,\\n\\ttitle = {Spatial filters for bridging molecular dynamics with finite elements at finite temperatures},\\n\\tvolume = {253},\\n\\tissn = {0045-7825},\\n\\turl = {http://www.sciencedirect.com/science/article/pii/S0045782512002903},\\n\\tdoi = {10.1016/j.cma.2012.09.008},\\n\\tabstract = {We present the application of digital filters to split the energy spectrum of an atomistic zone simulated with molecular dynamics into low and high energy components. After a brief background on digital filters, we describe the procedure used to select a cutoff frequency for the filters. Then, a one dimensional numerical model based on the generalized Langevin equation (GLE) is used to study the system dynamics. We tested both time and spatial filters for the frictional term in GLE. Our results demonstrate that spatial filters are better than time filters to perform a selective damping within a molecular dynamics zone. Two dimensional examples validating our approach are also presented. Spatial filters should thus be favored in finite-temperature direct-coupling methods between molecular dynamics and finite elements.},\\n\\turldate = {2013-04-02},\\n\\tjournal = {Computer Methods in Applied Mechanics and Engineering},\\n\\tauthor = {Ramisetti, S. B. and Anciaux, G. and Molinari, J. F.},\\n\\tmonth = jan,\\n\\tyear = {2013},\\n\\tnote = {00003},\\n\\tkeywords = {Molecular dynamics, Multiscale methods, Spatial filters, generalized Langevin equation},\\n\\tpages = {28--38},\\n}\\n\\n\",\"author_short\":[\"Ramisetti, S. B.\",\"Anciaux, G.\",\"Molinari, J. F.\"],\"key\":\"ramisetti_spatial_2013\",\"id\":\"ramisetti_spatial_2013\",\"bibbaseid\":\"ramisetti-anciaux-molinari-spatialfiltersforbridgingmoleculardynamicswithfiniteelementsatfinitetemperatures-2013\",\"role\":\"author\",\"urls\":{\"Paper\":\"http://www.sciencedirect.com/science/article/pii/S0045782512002903\"},\"keyword\":[\"Molecular dynamics\",\"Multiscale methods\",\"Spatial filters\",\"generalized Langevin equation\"],\"metadata\":{\"authorlinks\":{\"ramisetti, s\":\"https://ramisetti.github.io/publications/\"}},\"downloads\":0,\"html\":\"\"},{\"bibtype\":\"article\",\"type\":\"article\",\"title\":\"A finite temperature bridging domain method for MD-FE coupling and application to a contact problem\",\"volume\":\"205–208\",\"issn\":\"00457825\",\"url\":\"http://sd.ddns.us/science/article/pii/S0045782511000132#s0030\",\"doi\":\"10.1016/j.cma.2011.01.012\",\"urldate\":\"2011-10-21\",\"journal\":\"Computer Methods in Applied Mechanics and Engineering\",\"author\":[{\"propositions\":[],\"lastnames\":[\"Anciaux\"],\"firstnames\":[\"G.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Ramisetti\"],\"firstnames\":[\"S.\",\"B.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Molinari\"],\"firstnames\":[\"J.\",\"F.\"],\"suffixes\":[]}],\"month\":\"January\",\"year\":\"2011\",\"note\":\"00000\",\"pages\":\"204–212\",\"bibtex\":\"@article{anciaux_finite_2011,\\n\\ttitle = {A finite temperature bridging domain method for {MD}-{FE} coupling and application to a contact problem},\\n\\tvolume = {205–208},\\n\\tissn = {00457825},\\n\\turl = {http://sd.ddns.us/science/article/pii/S0045782511000132#s0030},\\n\\tdoi = {10.1016/j.cma.2011.01.012},\\n\\turldate = {2011-10-21},\\n\\tjournal = {Computer Methods in Applied Mechanics and Engineering},\\n\\tauthor = {Anciaux, G. and Ramisetti, S. B. and Molinari, J. F.},\\n\\tmonth = jan,\\n\\tyear = {2011},\\n\\tnote = {00000},\\n\\tpages = {204--212},\\n}\\n\\n\",\"author_short\":[\"Anciaux, G.\",\"Ramisetti, S. B.\",\"Molinari, J. F.\"],\"key\":\"anciaux_finite_2011\",\"id\":\"anciaux_finite_2011\",\"bibbaseid\":\"anciaux-ramisetti-molinari-afinitetemperaturebridgingdomainmethodformdfecouplingandapplicationtoacontactproblem-2011\",\"role\":\"author\",\"urls\":{\"Paper\":\"http://sd.ddns.us/science/article/pii/S0045782511000132#s0030\"},\"metadata\":{\"authorlinks\":{\"ramisetti, s\":\"https://ramisetti.github.io/publications/\"}},\"downloads\":0,\"html\":\"\"},{\"bibtype\":\"article\",\"type\":\"article\",\"title\":\"The autocorrelation function for island areas on self-affine surfaces\",\"volume\":\"23\",\"issn\":\"0953-8984\",\"url\":\"http://iopscience.iop.org/0953-8984/23/21/215004\",\"doi\":\"10.1088/0953-8984/23/21/215004\",\"abstract\":\"The spatial distribution of regions that lie above contours of constant height through a self-affine surface is studied as a function of the Hurst exponent H. If the surface represents a landscape, these regions correspond to islands. When the surface represents the height difference for contacting surfaces, the regions correspond to mechanical contacts in the common bearing area model. The autocorrelation function C(Δr) is defined as the probability that points separated by Δr are both within islands. The scaling of C has important implications for the stiffness and conductance of mechanical contacts. We find that its Fourier transform scales as a power of the wavevector magnitude q: with μ = 2 + H rather than the value μ = 2 + 2H reported previously. An analytic argument for μ = 2 + H is presented using the distribution of areas contained in disconnected islands.\",\"language\":\"en\",\"number\":\"21\",\"urldate\":\"2013-06-11\",\"journal\":\"Journal of Physics: Condensed Matter\",\"author\":[{\"propositions\":[],\"lastnames\":[\"Ramisetti\"],\"firstnames\":[\"S.\",\"B.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Campañá\"],\"firstnames\":[\"C.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Anciaux\"],\"firstnames\":[\"G.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Molinari\"],\"firstnames\":[\"J.\",\"F.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Müser\"],\"firstnames\":[\"M.\",\"H.\"],\"suffixes\":[]},{\"propositions\":[],\"lastnames\":[\"Robbins\"],\"firstnames\":[\"M.\",\"O.\"],\"suffixes\":[]}],\"month\":\"June\",\"year\":\"2011\",\"pages\":\"215004\",\"bibtex\":\"@article{ramisetti_autocorrelation_2011,\\n\\ttitle = {The autocorrelation function for island areas on self-affine surfaces},\\n\\tvolume = {23},\\n\\tissn = {0953-8984},\\n\\turl = {http://iopscience.iop.org/0953-8984/23/21/215004},\\n\\tdoi = {10.1088/0953-8984/23/21/215004},\\n\\tabstract = {The spatial distribution of regions that lie above contours of constant height through a self-affine surface is studied as a function of the Hurst exponent H. If the surface represents a landscape, these regions correspond to islands. When the surface represents the height difference for contacting surfaces, the regions correspond to mechanical contacts in the common bearing area model. The autocorrelation function C(Δr) is defined as the probability that points separated by Δr are both within islands. The scaling of C has important implications for the stiffness and conductance of mechanical contacts. We find that its Fourier transform scales as a power of the wavevector magnitude q: with μ = 2 + H rather than the value μ = 2 + 2H reported previously. An analytic argument for μ = 2 + H is presented using the distribution of areas contained in disconnected islands.},\\n\\tlanguage = {en},\\n\\tnumber = {21},\\n\\turldate = {2013-06-11},\\n\\tjournal = {Journal of Physics: Condensed Matter},\\n\\tauthor = {Ramisetti, S. B. and Campañá, C. and Anciaux, G. and Molinari, J. F. and Müser, M. H. and Robbins, M. O.},\\n\\tmonth = jun,\\n\\tyear = {2011},\\n\\tpages = {215004},\\n}\\n\",\"author_short\":[\"Ramisetti, S. B.\",\"Campañá, C.\",\"Anciaux, G.\",\"Molinari, J. F.\",\"Müser, M. H.\",\"Robbins, M. O.\"],\"key\":\"ramisetti_autocorrelation_2011\",\"id\":\"ramisetti_autocorrelation_2011\",\"bibbaseid\":\"ramisetti-campa-anciaux-molinari-mser-robbins-theautocorrelationfunctionforislandareasonselfaffinesurfaces-2011\",\"role\":\"author\",\"urls\":{\"Paper\":\"http://iopscience.iop.org/0953-8984/23/21/215004\"},\"metadata\":{\"authorlinks\":{\"ramisetti, s\":\"https://ramisetti.github.io/publications/\"}},\"downloads\":0,\"html\":\"\"}],\n      metadata: {\"owner\":\"ramisetti, s\",\"authorlinks\":{\"ramisetti, s\":\"https://ramisetti.github.io/publications/\"}},\n      ownerID: \"PGJDobBphSxLd3ovw\"\n    };\n  </script>\n\n  <script type=\"text/javascript\">\n  var site$;\n  if (typeof $ != 'undefined') {\n    console.log('existing jquery: storing and then restoring');\n    site$ = $;\n    $ = null;\n  }\n  </script>\n\n  <script src=\"https://ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js\">\n  </script>\n  <script type=\"text/javascript\">\n  if (site$) {\n    console.log('existing jquery: avoiding conflict and restoring');\n    bb$ = $.noConflict(true);\n    $ = site$;\n  } else {\n    bb$ = $;\n  }\n  </script>\n\n  <script src=\"//bibbase.org/js/bibbase.min.js\"\n          type=\"text/javascript\">\n  </script>\n\n  <script type=\"text/javascript\"\n          src=\"https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML\">\n  </script>\n  <script type=\"text/x-mathjax-config\">\n    MathJax.Hub.Config({tex2jax: {inlineMath: [['$','$'], ['\\\\(','\\\\)']]},\n                        skipTags: [\"body\"],\n                        processClass: \"bibbase_paper\"});\n  </script>\n\n  <style>\n  @media print {\n    .dontprint {\n        display: none !important;\n    }\n\n  .bibbase_group {\n    background-color: #E0E0E0;\n    font-style: italic;\n    font-size: larger;\n    text-shadow: 0px 0px 3px #FFFFFF;\n    border-radius: 4px 4px 4px 4px;\n    -moz-border-radius: 4px 4px 4px 4px;\n    -webkit-border-radius: 4px;\n    padding: 5px 40px 5px;\n    margin-top: 10px;\n    margin-bottom: 5px;\n    cursor: pointer;\n  }\n\n  .bibbase_paper {\n    margin-bottom: 5px;\n  }\n\n  }\n  </style>\n\n  \n  <div style=\"float: right; margin-right: 10px; margin-top: 10px; text-align: right; font-size: 12px\">\n    generated by\n    <a href=\"//bibbase.org\"\n       onclick=\"trackOutboundLink('bibbase', 'logo clicked', window.location.href, '//bibbase.org'); return false;\">\n      <img src=\"//bibbase.org/img/logo.svg\"\n           style=\"vertical-align: middle; margin-left: 3px; height: 16px;\"/\n           alt=\"bibbase.org\"\n           title=\"BibBase – The easiest way to maintain your publications page.\"\n        ></a>\n    \n  </div>\n  \n\n  <div id=\"bibbase_header\" class=\"dontprint\" style=\"\">\n\n    <ul class=\"nav nav-pills\" style=\"margin: 0px;\">\n\n      <li class=\"dropdown\" id=\"groupby_dropdown\">\n      <a class=\"dropdown-toggle\"\n         data-toggle=\"dropdown\"\n         href=\"#\">\n          Group by\n          <b class=\"caret\"></b>\n      </a>\n      <ul class=\"dropdown-menu\">\n        <li class=\"groupby year\"><a onclick=\"groupby('year')\">\n            Year</a>\n        </li>\n        <li class=\"groupby author\"><a onclick=\"groupby('author_short')\">\n            Author</a>\n        </li>\n        <li class=\"groupby type\"><a onclick=\"groupby('type')\">\n            Type</a>\n        </li>\n        <li class=\"groupby keyword\"><a onclick=\"groupby('keyword')\">\n            Keyword</a>\n        </li>\n        <li class=\"groupby downloads\"><a onclick=\"groupby('downloads')\">\n            Downloads</a>\n        </li>\n      </ul>\n      </li>\n\n\n      <li class=\"dropdown\" id=\"menu_dropdown\">\n      <a class=\"dropdown-toggle\"\n         data-toggle=\"dropdown\"\n         href=\"#\" alt=\"controls\">\n          <i class=\"fa fa-reorder\" alt=\"controls\"></i>\n          <b class=\"caret\"></b>\n      </a>\n      <ul class=\"dropdown-menu\">\n        <li>\n          <a onclick=\"toggleAll()\">\n            <i class=\"fa fa-chevron-down fa-fw\"></i> Expand/Collapse All\n          </a>\n        </li>\n        <li>\n          <a download=\"items\" href=\"data:text/bibtex;base64,@article{ramisetti_insights_2022,
	title = {Insights from molecular simulations on liquid slip over nanostructured surfaces},
	volume = {28},
	issn = {0948-5023},
	doi = {10.1007/s00894-022-05338-x},
	abstract = {The current study focuses on non-equilibrium molecular dynamics (NEMD) simulations to investigate the slip properties of water flowing over different nanostructured surfaces. A simulation protocol is developed that applies constant shear stress throughout the fluid before measuring the slip length. Using pseudo-data, the reliability of this protocol in terms of both accuracy and noise of the results for high-slip and multiphase systems is demonstrated. In contrast to the NEMD techniques available in the literature, the protocol also enables a convenient way to compare the slip lengths of different surface coatings. The fluid slip lengths of surface coatings comprising carbon nanotubes on platinum are predicted using the proposed protocol with nitrogen gas trapped in the interstitial gaps. The role of these gas pockets in determining surface slip properties is investigated. The NEMD results from the proposed model compare well with a macroscopic theoretical model for nano-patterned surfaces. Finally, it is concluded that entrapped gas within nanostructures may offer significant drag reduction only if the gas surface coverage is above 95\%.},
	language = {eng},
	number = {11},
	journal = {Journal of Molecular Modeling},
	author = {Ramisetti, Srinivasa B. and Yadav, Anshul},
	month = oct,
	year = {2022},
	pmid = {36205823},
	keywords = {Drag reduction, Gas/liquid flow, Molecular dynamics, Non-continuum effects},
	pages = {346},
}



@article{niranjan_dynamic_2023,
	title = {Dynamic {Response} of 15 {MW} {Floating} {Wind} {Turbine} {With} {Non}-{Redundant} and {Redundant} {Mooring} {Systems} {Under} {Extreme} and {Accidental} {Conditions}},
	volume = {145},
	issn = {0892-7219},
	url = {https://doi.org/10.1115/1.4062169},
	doi = {10.1115/1.4062169},
	abstract = {This work focuses on examining the dynamic behavior of large floating offshore wind turbine (FOWT) exposed to extreme (wind and wave with 50-year return period) and accidental (mooring line breakage) loadings. The FOWT considered is 15 MW reference turbine supported on semi-submersible platform stationed using catenary moorings. As the mooring configuration greatly affects the response of FOWT, two different mooring configurations namely non-redundant (three-line) and redundant (six-line) systems were studied and compared. The coupled multi-body dynamic system was solved using Openfast. When simulating the mooring line failure, both the operating and extreme loading conditions were considered. Failure of one mooring was considered at a time. The response of the coupled system due to breakage of the mooring indicates high displacements in surge and sway directions in comparison to the intact system especially for the non-redundant mooring system. Furthermore, change in platform yaw angle and increased tension in the other intact mooring lines were observed. The findings from this study will be helpful in accidental limit state design and preventing failure of similar large FOWT systems. In addition, insights into using non-redundant and redundant mooring configurations for such large structures with respect to extreme and accidental loadings were also discussed.},
	number = {062002},
	urldate = {2023-09-03},
	journal = {Journal of Offshore Mechanics and Arctic Engineering},
	author = {Niranjan, Ramya and Ramisetti, Srinivasa B.},
	month = apr,
	year = {2023},
}



@article{nartu_improved_2022,
	title = {Improved {Methodology} for {Accurate} {Prediction} of {Blast} {Wave} {Clearing} on a {Finite} {Target}},
	volume = {148},
	copyright = {© 2022 American Society of Civil Engineers},
	issn = {1943-7889},
	url = {https://ascelibrary.org/doi/10.1061/%28ASCE%29EM.1943-7889.0002134},
	doi = {10.1061/(ASCE)EM.1943-7889.0002134},
	abstract = {AbstractAccurate estimation of blast loads on a structure requires consideration of several
complex phenomena during interaction with the target surface. One such phenomenon
is the clearing effect observed during the diffraction of blast waves from finite
...},
	language = {EN},
	number = {9},
	urldate = {2023-09-03},
	journal = {Journal of Engineering Mechanics},
	author = {Nartu, Manoj Kumar and Kumar, Manish and Ramisetti, Srinivasa B.},
	month = sep,
	year = {2022},
	note = {Publisher: American Society of Civil Engineers},
	keywords = {Blast wave, Clearing, Diffraction, Strong shocks},
	pages = {04022049},
}



@article{yadav_simultaneous_2022,
	title = {Simultaneous adsorption of methylene blue and arsenic on graphene, boron nitride and boron carbon nitride nanosheets: {Insights} from molecular simulations},
	volume = {46},
	issn = {2214-7144},
	shorttitle = {Simultaneous adsorption of methylene blue and arsenic on graphene, boron nitride and boron carbon nitride nanosheets},
	url = {https://www.sciencedirect.com/science/article/pii/S2214714422000964},
	doi = {10.1016/j.jwpe.2022.102653},
	abstract = {The occurrence of various pollutants in water bodies has become a serious concern. In this study, an attempt was made to find out the affinity of two-dimensional graphene (GRA), hexagonal boron nitride (h-BN) and hexagonal boron carbon nitride (h-BCN) towards the simultaneous adsorption of heavy metal (arsenic(III)) and organic dye (methylene blue) using molecular dynamics. The radial distribution functions obtained for the different systems showed that the OW-OW and OW-As pairs peaked around 3 Å whereas, for the As-As pair, the distribution showed a maximum at {\textasciitilde}9 Å. The observations were consistent for all three nanosheets, irrespective of whether the adsorption occurred individually or simultaneously. The simultaneous adsorption was synergistic on all three nanosheets, of which the effect was maximum for graphene, indicating better efficiency for real wastewater treatment. Further, by integrating the radial distribution function, a coordination number of 12 was obtained for the arsenic(III) ions. The diffusion properties of water molecules during various adsorption interactions were studied by calculating the diffusion coefficients from the mean squared displacement curves. The density distributions were also examined to highlight how the water molecules surround the adsorbate ions. The orientation of the adsorbate molecules and their distance from the nanosheets were evaluated to propose a possible pathway by which the adsorption occurred. This study revealed that the potency of GRA for simultaneous adsorption of methylene blue and arsenic(III) was better than h-BN and h-BCN.},
	language = {en},
	urldate = {2022-03-25},
	journal = {Journal of Water Process Engineering},
	author = {Yadav, Anshul and Dindorkar, Shreyas S. and Ramisetti, Srinivasa B. and Sinha, Niraj},
	month = apr,
	year = {2022},
	pages = {102653},
}



@article{niranjan_insights_2022,
	title = {Insights from detailed numerical investigation of 15 {MW} offshore semi-submersible wind turbine using aero-hydro-servo-elastic code},
	volume = {251},
	issn = {0029-8018},
	url = {https://www.sciencedirect.com/science/article/pii/S0029801822004449},
	doi = {10.1016/j.oceaneng.2022.111024},
	abstract = {Offshore wind turbines are getting larger in terms of dimensions to maximize power generation. Large wind turbine offshore structures can be installed in deep water locations, where they have the advantage to generate higher power due to high wind speeds. To achieve this, wind turbine manufacturers are introducing larger and scaled-up designs to meet the global energy demands. However, these models suffer from large structural loads and deformations when subjected to varying environmental loadings. Therefore, it is necessary to fully comprehend the multibody coupled dynamics of such large offshore structures before proceeding towards their installation in open oceans. This paper carries out an extensive investigation on the ultimate load analysis and fully coupled dynamic response of the 15 MW reference turbine mounted over a UMaine VolturnUS-S semi-submersible floating platform. We used OpenFAST to carry out the stability and full-system linearization studies followed by a detailed time-domain analysis for the power production, parked and fault conditions. We began with a brief background theory on linearization and eigenanalysis for identifying the natural frequencies followed by discussion of the Campbell diagram showing the full-system natural frequencies. It was observed that the multi-blade coordinate code does not correctly pick the natural frequencies. Additional free decay tests have been carried out to verify the full-system natural frequencies. The variation of mean, minimum and maximum values of various characteristic loads and platform motions with respect to different environmental conditions are also presented. We also discussed the change in dynamic response due to the yaw misalignment, wind–wave misalignment, and second-order wave forces. The parked and fault conditions were found to be the critical design load cases (DLCs) for the design of IEA 15 MW wind turbine mounted on Volturn US-S semi-submersible. Furthermore, this paper gives an insight of the important DLCs to be considered while computing the design loads for similar large wind turbine structures.},
	language = {en},
	urldate = {2022-03-25},
	journal = {Ocean Engineering},
	author = {Niranjan, Ramya and Ramisetti, Srinivasa B.},
	month = may,
	year = {2022},
	pages = {111024},
}



@article{yadav_adsorption_2022,
	title = {Adsorption behaviour of boron nitride nanosheets towards the positive, negative and the neutral antibiotics: {Insights} from first principle studies},
	volume = {46},
	issn = {2214-7144},
	shorttitle = {Adsorption behaviour of boron nitride nanosheets towards the positive, negative and the neutral antibiotics},
	url = {https://www.sciencedirect.com/science/article/pii/S2214714421006425},
	doi = {10.1016/j.jwpe.2021.102555},
	abstract = {In this study, the adsorption of ampicillin (APC, positive), ciprofloxacin (CFX, neutral) and cephalosporin (CLS, negative) antibiotics on boron nitride nanosheets (BNNS) were investigated using the first principle density functional theory. To make a comprehensive study on the adsorption of the positive, negative and neutral antibiotics on the BNNS, investigations were made using the electrostatic potential maps, natural-bonding orbitals charge distributions and the density of states plots. Theoretical IR spectra of clusters before and after adsorption were obtained to study the stability of the post adsorption complexes. Koopman's approach was used to study the properties of antibiotics and complex clusters. The quantum mechanical descriptors of various systems were also calculated to comment upon the feasibility of the interactions. From the electrostatic potential contours and the natural-bonding orbitals charge transfer data, it was clear that the maximum charge accretion occurred in the CLS-BNNS complex. APC was the closest to the BNNS at a distance of 2.52 Å. The adsorption energies calculated for the three complex clusters revealed that CLS released the most adsorption energy of −167.74 kJ/mol, indicating that interaction was maximum for CLS antibiotics. CLS-BNNS cluster exhibited the smallest HOMO-LUMO gap, indicating that CLS antibiotic adsorption on the BNNS was more favourable among the three antibiotics. The plausible mechanism investigated indicated that the interactions between antibiotics and BNNS were mainly due to the weak Van der Waal forces. This theoretical study showed the promising application of BNNS as an effective adsorbing material for removing negatively charged antibiotics from an aqueous stream.},
	language = {en},
	urldate = {2022-01-30},
	journal = {Journal of Water Process Engineering},
	author = {Yadav, Anshul and Dindorkar, Shreyas S. and Ramisetti, Srinivasa B.},
	month = apr,
	year = {2022},
	pages = {102555},
}



@article{yao_atomistic_2018,
	title = {Atomistic {Molecular} {Dynamic} {Simulation} of {Dilute} {Poly}(acrylic acid) {Solution}: {Effects} of {Simulation} {Size} {Sensitivity} and {Ionic} {Strength}},
	volume = {57},
	issn = {0888-5885},
	shorttitle = {Atomistic {Molecular} {Dynamic} {Simulation} of {Dilute} {Poly}(acrylic acid) {Solution}},
	url = {https://doi.org/10.1021/acs.iecr.8b03549},
	doi = {10.1021/acs.iecr.8b03549},
	abstract = {Physical properties of polyelectrolytes have been shown to be significantly related to their chain conformations. Atomistic simulation has been used as an effective method for studying polymer chain structures, but few simulations have focused on the effects of chain length and tacticity in the presence of monovalent salts. This paper investigated the microscopic conformation behaviors of poly(acrylic acid) (PAA) with different chain sizes, tacticities, and sodium chloride concentrations. The hydrogen behaviors and corresponding radial distribution functions were obtained. The results showed that the increase of salt concentrations led to the collapse of PAA chains, especially for longer chains. It was found that the effects of salt were mainly attributed to the shielding screening effect by sodium ions rather than the hydrogen bonding effect. Two different structures were formed by isotactic PAA and syndiotactic PAA, respectively, which were due to the deprotonation patterns along the PAA chain.},
	number = {50},
	urldate = {2020-08-20},
	journal = {Industrial \& Engineering Chemistry Research},
	author = {Yao, Guice and Zhao, Jin and Ramisetti, Srinivasa B. and Wen, Dongsheng},
	month = dec,
	year = {2018},
	note = {Publisher: American Chemical Society},
	pages = {17129--17141},
}



@article{hu_carbon_2019,
	title = {Carbon quantum dots with tracer-like breakthrough ability for reservoir characterization},
	issn = {0048-9697},
	url = {http://www.sciencedirect.com/science/article/pii/S0048969719309854},
	doi = {10.1016/j.scitotenv.2019.03.007},
	abstract = {Predictions have shown that our demand for oil and gas will continue to grow in the next decade, and future supply will become more reliant on tertiary recovery and from nonconventional resources. However, current reservoir characterization methodologies, such as well logs, cross-well electromagnetic imaging and seismic methods, have their individual limitations on detection range and resolution. Here we propose a pioneering way to use carbon quantum dots (CQDs) as nanoparticle tracers, which can be transported through a reservoir functioning as conventional tracers, while acting as sensors to obtain useful information. These hydrothermally produced CQDs from Xylose possess excellent stability in high ionic strength solutions, durable absorbance and fluorescence ability due to multi high-polarity functional group on their surfaces. Consistency between our on-line ultraviolet–visible (UV–Vis) spectroscopy and off-line Confocal laser scanning microscopy (CLSM) measurements confirms that CQDs have the tracer-like migration capability in glass beads-packed columns and sandstone cores, regardless of particle concentration and ionic strength. However, their migration ability is undermined in the column packed with crushed calcite grains with positive charge. We also demonstrate that quantitative oil saturation detection in unknown sandstone core samples can be achieved by such CQDs based on its breakthrough properties influenced by the presence of oil phase.},
	urldate = {2019-03-09},
	journal = {Science of The Total Environment},
	author = {Hu, Zhongliang and Gao, Hui and Ramisetti, Srinivasa and Zhao, Jin and Nourafkan, Ehsan and Glover, Paul W. J. and Wen, Dongsheng},
	month = mar,
	year = {2019},
	keywords = {High salinity, Quantum dots, Scalable nanotracer, Subsurface reservoir characterization, Transport behaviour},
}



@article{zhao_molecular_2019,
	title = {Molecular dynamics investigation of substrate wettability alteration and oil transport in a calcite nanopore},
	volume = {239},
	issn = {0016-2361},
	url = {http://www.sciencedirect.com/science/article/pii/S0016236118319860},
	doi = {10.1016/j.fuel.2018.11.089},
	abstract = {Low salinity flooding has been proposed as a promising method for enhanced oil recovery, but the underlying mechanism remains unclear especially for carbonate reservoirs. This work investigates the effect of water salinity in altering the wettability of nano-slit pores for three types of calcite surfaces (i.e., a neutral nonpolar \{101-4\} surface, and the polar \{0 0 0 1\} surface with positively and negatively charged surfaces) using classical, equilibrium molecular dynamic (EMD) simulations. In addition, non-equilibrium MD simulations (NEMD) reveal the influence of wettability on the oil transport properties in a nano-pore at different salt concentrations of sodium chloride (NaCl) (0.20 M, 0.50 M, and 1.00 M). Results show that increasing water salinity has little effect on the wettability of a nano-pore comprised of neutral calcite surfaces. For a calcite nano-slit pore comprised of charged surfaces, however, the dipole-ion interaction alters the surface wettability creating a more hydrophilic surface due to the hydration effect of ions at elevated salt concentrations. While a partially decane-wet neutral nonpolar calcite surface greatly inhibits the movement of an oil droplet in the pore, greater oil mobility is achieved for dipolar nano-pores, especially at elevated salt concentrations.},
	urldate = {2018-12-04},
	journal = {Fuel},
	author = {Zhao, Jin and Yao, Guice and Ramisetti, Srinivasa B. and Hammond, Robert B. and Wen, Dongsheng},
	month = mar,
	year = {2019},
	keywords = {Dipolar nano-pores, Enhanced oil recovery, Low salinity, Molecular dynamics, Wettability},
	pages = {1149--1161},
}



@article{zhao_molecular_2018,
	title = {Molecular {Dynamics} {Simulation} of the {Salinity} {Effect} on the n-{Decane}/{Water}/{Vapor} {Interfacial} {Equilibrium}},
	volume = {32},
	issn = {0887-0624},
	url = {https://doi.org/10.1021/acs.energyfuels.8b00706},
	doi = {10.1021/acs.energyfuels.8b00706},
	abstract = {Low-salinity water flooding of formation water in rock cores is, potentially, a promising technique for enhanced oil recovery (EOR), but details of the underlying mechanisms remain unclear. The salinity effect on the interface between water and oil was investigated here using the molecular dynamics (MD) simulation method. n-Decane was selected as a representative oil component, and SPC/E water and all-atom optimized potentials for liquid simulations (OPLS-AA) force fields were used to describe the water/oil/ionic interactions for saltwater and n-decane molecules. Equilibrium MD simulations were first conducted to study the n-decane/vapor and saltwater/vapor interface systems at six different NaCl concentrations (0, 0.05, 0.10, 0.20, 0.50, and 1.00 M). The water/oil interface was then investigated by calculating bulk density distribution, radial distribution function, interface thickness, and water/oil interfacial tension (IFT). Sufficiently long MD simulations of water/n-decane/vapor were performed, followed by an analysis of the effect of salinity on the water/oil/vapor interface. The IFT values for the water/vacuum interface, n-decane/vacuum interface, and water/n-decane interface were obtained from the pressure tensor distribution after system equilibration, with values of 71.4, 20.5, and 65.3 mN/m, respectively, which agree well with experimental and numerical results reported in the literature. An optimal salinity of ∼0.20 M was identified corresponding to a maximum interfacial thickness between water and the oil phase, which results in a minimum water/oil IFT value and a maximum value for the oil/water contact angle, a condition beneficial for EOR.},
	number = {11},
	urldate = {2018-12-04},
	journal = {Energy \& Fuels},
	author = {Zhao, Jin and Yao, Guice and Ramisetti, Srinivasa B. and Hammond, Robert B. and Wen, Dongsheng},
	month = nov,
	year = {2018},
	pages = {11080--11092},
}



@incollection{ramisetti_md/fe_2015,
	title = {{MD}/{FE} {Multiscale} {Modeling} of {Contact}},
	isbn = {978-3-319-10560-4},
	url = {https://doi.org/10.1007/978-3-319-10560-4_14},
	abstract = {Limitations of single scale approaches to study the complex physics involved in friction have motivated the development of multiscale models. We review the state-of-the-art multiscale models that have been developed up to date. These have been successfully applied to a variety of physical problems, but that were limited, in most cases, to zero Kelvin studies. We illustrate some of the technical challenges involved with simulating a frictional sliding problem, which by nature generates a large amount of heat. These challenges can be overcome by a proper usage of spatial filters, which we combine to a direct finite-temperature multiscale approach coupling molecular dynamics with finite elements. The basic building block relies on the proper definition of a scale transfer operator using the least square minimization and spatial filtering. Then, the restitution force from the generalized Langevin equation is modified to perform a two-way thermal coupling between the two models. Numerical examples are shown to illustrate the proposed coupling formulation.},
	booktitle = {Fundamentals of {Friction} and {Wear} on the {Nanoscale}},
	publisher = {Springer International Publishing},
	author = {Ramisetti, Srinivasa Babu and Anciaux, Guillaume and Molinari, Jean-Francois},
	editor = {Gnecco, Enrico and Meyer, Ernst},
	year = {2015},
	doi = {10.1007/978-3-319-10560-4_14},
	pages = {289--312},
}



@article{longshaw_mdfoam+:_2018,
	title = {{mdFoam}+: {Advanced} molecular dynamics in {OpenFOAM}},
	volume = {224},
	issn = {0010-4655},
	shorttitle = {{mdFoam}+},
	url = {http://www.sciencedirect.com/science/article/pii/S0010465517303363},
	doi = {10.1016/j.cpc.2017.09.029},
	abstract = {This paper introduces mdFoam+, which is an MPI parallelised molecular dynamics (MD) solver implemented entirely within the OpenFOAM software framework. It is open-source and released under the same GNU General Public License (GPL) as OpenFOAM. The source code is released as a publicly open software repository that includes detailed documentation and tutorial cases. Since mdFoam+ is designed entirely within the OpenFOAM C++ object-oriented framework, it inherits a number of key features. The code is designed for extensibility and flexibility, so it is aimed first and foremost as an MD research tool, in which new models and test cases can be developed and tested rapidly. Implementing mdFoam+ in OpenFOAM also enables easier development of hybrid methods that couple MD with continuum-based solvers. Setting up MD cases follows the standard OpenFOAM format, as mdFoam+ also relies upon the OpenFOAM dictionary-based directory structure. This ensures that useful pre- and post-processing capabilities provided by OpenFOAM remain available even though the fully Lagrangian nature of an MD simulation is not typical of most OpenFOAM applications. Results show that mdFoam+ compares well to another well-known MD code (e.g. LAMMPS) in terms of benchmark problems, although it also has additional functionality that does not exist in other open-source MD codes.
Program summary
Program title: mdFoam+ Program Files doi: http://dx.doi.org/10.17632/7b4xkpx43b.1 Licensing provisions: GNU General Public License 3 (GPLv3) Programming language: C++ Nature of problem: mdFoam+ has been developed to help investigate complex fluid flow problems at the micro and nano scales using molecular dynamics (MD). It provides an easily extended, parallelised, molecular dynamics environment. Solution method: mdFoam+ implements a classical molecular dynamics solution using an explicit time-stepping regime and inter-molecular force-field types appropriate for studying fluid dynamics problems down to the nano-scale. References: All appropriate methodological references are contained in the section entitled References.},
	urldate = {2018-04-25},
	journal = {Computer Physics Communications},
	author = {Longshaw, S. M. and Borg, M. K. and Ramisetti, S. B. and Zhang, J. and Lockerby, D. A. and Emerson, D. R. and Reese, J. M.},
	month = mar,
	year = {2018},
	pages = {1--21},
}



@phdthesis{ramisetti_multiscale_2013,
	address = {Lausanne},
	title = {Multiscale {Modeling} of {Thermo}-{Mechanical} {Coupling} {Between} {Atomistic} and {Continuum} {Domains}},
	language = {eng},
	school = {ENAC},
	author = {Ramisetti, Srinivasa Babu},
	year = {2013},
	doi = {10.5075/epfl-thesis-6029},
	keywords = {Bridging Domain method, finite element method, friction, generalized Langevin equation, heat conduction, molecular dynamics, multiscale modeling, normal contact, spatial filters, spectral energy decomposition},
}



@article{ramisetti_liquid_2017,
	title = {Liquid slip over gas nanofilms},
	volume = {2},
	url = {https://link.aps.org/doi/10.1103/PhysRevFluids.2.084003},
	doi = {10.1103/PhysRevFluids.2.084003},
	abstract = {We propose the rarefied-gas-cushion model (r-GCM), as an extended version of the gas-cushion model (GCM), to estimate the apparent slip of water flowing over a gas layer trapped at a solid surface. Nanobubbles or gas nanofilms may manifest rarefied-gas effects and the r-GCM incorporates kinetic boundary conditions for the gas component in the slip Knudsen regime. These enable an apparent hydrodynamic slip length to be calculated given the gas thickness, the Knudsen number, and the bulk fluid viscosities. We assess the r-GCM through nonequilibrium molecular dynamics (NEMD) simulations of shear-driven liquid flow over an infinite gas nanofilm covering a solid surface, from the gas slip regime to the early transition regime, beyond which NEMD is computationally impractical. We find that, over the flow regimes examined, the r-GCM provides better predictions of the apparent liquid slip and retrieves both the GCM and the free-molecular behavior in the appropriate limits.},
	number = {8},
	urldate = {2017-12-27},
	journal = {Physical Review Fluids},
	author = {Ramisetti, Srinivasa B. and Borg, Matthew K. and Lockerby, Duncan A. and Reese, Jason M.},
	month = aug,
	year = {2017},
	pages = {084003},
}



@article{ramisetti_concurrent_2014,
	title = {A concurrent atomistic and continuum coupling method with applications to thermo-mechanical problems},
	volume = {97},
	issn = {1097-0207},
	url = {http://onlinelibrary.wiley.com/doi/10.1002/nme.4606/abstract},
	doi = {10.1002/nme.4606},
	abstract = {We present a novel method to couple molecular dynamics with finite elements at finite temperatures using spatial filters. The mismatch in the dispersion relations between continuum and atomistic models leads, at finite temperature, to unwanted mesh vibrations, which are illustrated using a standard least square coupling formulation. We propose the use of spatial filters with the least square minimization to selectively damp the unwanted mesh vibrations. Then, we extend the idea of selective damping of wavelength modes to couple atomistic and continuum models at finite temperatures. The restitution force from the generalized Langevin equation is modified to perform a two-way thermal coupling between the two models. Three different numerical examples are shown to validate the proposed coupling formulation in two-dimensional space. Finally, the method is applied to a high-speed impact simulation. Copyright © 2013 John Wiley \& Sons, Ltd.},
	language = {en},
	number = {10},
	urldate = {2017-03-07},
	journal = {International Journal for Numerical Methods in Engineering},
	author = {Ramisetti, S. B. and Anciaux, G. and Molinari, J. F.},
	month = mar,
	year = {2014},
	keywords = {Molecular dynamics, Multiscale methods, Spatial filters, generalized Langevin equation, heat conduction},
	pages = {707--738},
}



@article{ramisetti_spatial_2013,
	title = {Spatial filters for bridging molecular dynamics with finite elements at finite temperatures},
	volume = {253},
	issn = {0045-7825},
	url = {http://www.sciencedirect.com/science/article/pii/S0045782512002903},
	doi = {10.1016/j.cma.2012.09.008},
	abstract = {We present the application of digital filters to split the energy spectrum of an atomistic zone simulated with molecular dynamics into low and high energy components. After a brief background on digital filters, we describe the procedure used to select a cutoff frequency for the filters. Then, a one dimensional numerical model based on the generalized Langevin equation (GLE) is used to study the system dynamics. We tested both time and spatial filters for the frictional term in GLE. Our results demonstrate that spatial filters are better than time filters to perform a selective damping within a molecular dynamics zone. Two dimensional examples validating our approach are also presented. Spatial filters should thus be favored in finite-temperature direct-coupling methods between molecular dynamics and finite elements.},
	urldate = {2013-04-02},
	journal = {Computer Methods in Applied Mechanics and Engineering},
	author = {Ramisetti, S. B. and Anciaux, G. and Molinari, J. F.},
	month = jan,
	year = {2013},
	note = {00003},
	keywords = {Molecular dynamics, Multiscale methods, Spatial filters, generalized Langevin equation},
	pages = {28--38},
}



@article{anciaux_finite_2011,
	title = {A finite temperature bridging domain method for {MD}-{FE} coupling and application to a contact problem},
	volume = {205–208},
	issn = {00457825},
	url = {http://sd.ddns.us/science/article/pii/S0045782511000132#s0030},
	doi = {10.1016/j.cma.2011.01.012},
	urldate = {2011-10-21},
	journal = {Computer Methods in Applied Mechanics and Engineering},
	author = {Anciaux, G. and Ramisetti, S. B. and Molinari, J. F.},
	month = jan,
	year = {2011},
	note = {00000},
	pages = {204--212},
}



@article{ramisetti_autocorrelation_2011,
	title = {The autocorrelation function for island areas on self-affine surfaces},
	volume = {23},
	issn = {0953-8984},
	url = {http://iopscience.iop.org/0953-8984/23/21/215004},
	doi = {10.1088/0953-8984/23/21/215004},
	abstract = {The spatial distribution of regions that lie above contours of constant height through a self-affine surface is studied as a function of the Hurst exponent H. If the surface represents a landscape, these regions correspond to islands. When the surface represents the height difference for contacting surfaces, the regions correspond to mechanical contacts in the common bearing area model. The autocorrelation function C(Δr) is defined as the probability that points separated by Δr are both within islands. The scaling of C has important implications for the stiffness and conductance of mechanical contacts. We find that its Fourier transform scales as a power of the wavevector magnitude q: with μ = 2 + H rather than the value μ = 2 + 2H reported previously. An analytic argument for μ = 2 + H is presented using the distribution of areas contained in disconnected islands.},
	language = {en},
	number = {21},
	urldate = {2013-06-11},
	journal = {Journal of Physics: Condensed Matter},
	author = {Ramisetti, S. B. and Campañá, C. and Anciaux, G. and Molinari, J. F. and Müser, M. H. and Robbins, M. O.},
	month = jun,
	year = {2011},
	pages = {215004},
}
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B.</a>\n</span>\n\n  \n\n</span>\n\n  <i>Journal of Offshore Mechanics and Arctic Engineering</i>, 145(062002). April 2023.\n  <span class=\"note\"></span>\n\n<span class=\"bibbase_note\"></span>\n\n<br class=\"bibbase_paper_content\"/>\n\n<span class=\"bibbase_paper_content dontprint\">\n\n  \n  <a href=\"https://doi.org/10.1115/1.4062169\"\n     onclick=\"log_download('niranjan-ramisetti-dynamicresponseof15mwfloatingwindturbinewithnonredundantandredundantmooringsystemsunderextremeandaccidentalconditions-2023', 'https://doi.org/10.1115/1.4062169', event.ctrlKey, event)\">\n    <img src=\"//bibbase.org/img/filetypes/link.svg\"\n\t     alt=\"Dynamic Response of 15 MW Floating Wind Turbine With Non-Redundant and Redundant Mooring Systems Under Extreme and Accidental Conditions [link]\"\n       title=\"Paper\"\n\t     class=\"bibbase_icon\"\n         ><span class=\"bibbase_icon_text\">Paper</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"http://doi.org/10.1115/1.4062169\"\n     onclick=\"log_download('niranjan-ramisetti-dynamicresponseof15mwfloatingwindturbinewithnonredundantandredundantmooringsystemsunderextremeandaccidentalconditions-2023', 'http://doi.org/10.1115/1.4062169', event.ctrlKey)\"\n     class=\"bibbase doi link\">\n    <span>doi</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"//bibbase.org/network/publication/niranjan-ramisetti-dynamicresponseof15mwfloatingwindturbinewithnonredundantandredundantmooringsystemsunderextremeandaccidentalconditions-2023\"\n     class=\"bibbase bibbase_page link\">link</a>\n  &nbsp;\n  \n\n  <a href=\"#\"\n     onclick=\"showBib(event); return false;\"\n     class=\"bibbase bibtex link\">bibtex\n    <i class=\"fa fa-caret-down\"></i></a>\n\n  \n  &nbsp;\n  <a class=\"bibbase_abstract_link bibbase link\"\n     href=\"#\"\n     onclick=\"showAbstract(event); return false;\">\n    abstract <i class=\"fa fa-caret-down\"></i></a>\n  \n\n  \n\n  <!-- <a class=\"bibbase read link hidden\" -->\n  <!--    href=\"javascript:toggleRead('niranjan-ramisetti-dynamicresponseof15mwfloatingwindturbinewithnonredundantandredundantmooringsystemsunderextremeandaccidentalconditions-2023')\" -->\n  <!--    title=\"Marking this paper as read adds it to your library on BibBase.\" -->\n  <!--    > -->\n  <!--   <i class=\"fa fa-check\"></i>&nbsp; -->\n  <!--   <span>mark as read</span> -->\n  <!-- </a> -->\n\n  &nbsp;\n  \n  \n\n</span>\n\n<div class=\"well well-small bibbase\" data-type=\"bibtex\"\n     style=\"display:none\">\n  <pre style=\"white-space: pre-wrap;\">@article{niranjan_dynamic_2023,\n\ttitle = {Dynamic {Response} of 15 {MW} {Floating} {Wind} {Turbine} {With} {Non}-{Redundant} and {Redundant} {Mooring} {Systems} {Under} {Extreme} and {Accidental} {Conditions}},\n\tvolume = {145},\n\tissn = {0892-7219},\n\turl = {https://doi.org/10.1115/1.4062169},\n\tdoi = {10.1115/1.4062169},\n\tabstract = {This work focuses on examining the dynamic behavior of large floating offshore wind turbine (FOWT) exposed to extreme (wind and wave with 50-year return period) and accidental (mooring line breakage) loadings. The FOWT considered is 15 MW reference turbine supported on semi-submersible platform stationed using catenary moorings. As the mooring configuration greatly affects the response of FOWT, two different mooring configurations namely non-redundant (three-line) and redundant (six-line) systems were studied and compared. The coupled multi-body dynamic system was solved using Openfast. When simulating the mooring line failure, both the operating and extreme loading conditions were considered. Failure of one mooring was considered at a time. The response of the coupled system due to breakage of the mooring indicates high displacements in surge and sway directions in comparison to the intact system especially for the non-redundant mooring system. Furthermore, change in platform yaw angle and increased tension in the other intact mooring lines were observed. The findings from this study will be helpful in accidental limit state design and preventing failure of similar large FOWT systems. In addition, insights into using non-redundant and redundant mooring configurations for such large structures with respect to extreme and accidental loadings were also discussed.},\n\tnumber = {062002},\n\turldate = {2023-09-03},\n\tjournal = {Journal of Offshore Mechanics and Arctic Engineering},\n\tauthor = {Niranjan, Ramya and Ramisetti, Srinivasa B.},\n\tmonth = apr,\n\tyear = {2023},\n}\n\n</pre>\n</div>\n\n\n<div class=\"well well-small bibbase\" data-type=\"abstract\"\n     style=\"display:none\">\n  This work focuses on examining the dynamic behavior of large floating offshore wind turbine (FOWT) exposed to extreme (wind and wave with 50-year return period) and accidental (mooring line breakage) loadings. The FOWT considered is 15 MW reference turbine supported on semi-submersible platform stationed using catenary moorings. As the mooring configuration greatly affects the response of FOWT, two different mooring configurations namely non-redundant (three-line) and redundant (six-line) systems were studied and compared. The coupled multi-body dynamic system was solved using Openfast. When simulating the mooring line failure, both the operating and extreme loading conditions were considered. Failure of one mooring was considered at a time. The response of the coupled system due to breakage of the mooring indicates high displacements in surge and sway directions in comparison to the intact system especially for the non-redundant mooring system. Furthermore, change in platform yaw angle and increased tension in the other intact mooring lines were observed. The findings from this study will be helpful in accidental limit state design and preventing failure of similar large FOWT systems. In addition, insights into using non-redundant and redundant mooring configurations for such large structures with respect to extreme and accidental loadings were also discussed.\n</div>\n\n\n</div>\n\n\n\n\n\n    </div>\n  </div>\n\n  <div class=\"bibbase_group_whole\" id=\"group_2022\">\n    <div class=\"bibbase_group\"\n      onclick=\"toggleGroup('group_2022')\"\n      onkeypress=\"toggleGroup('group_2022')\"\n      tabindex=\"0\">\n      <i class=\"fa fa-angle-down bibbase_group_head_icon\"></i>&nbsp;\n      <span>2022</span>\n      <span class=\"bibbase_group_count\">\n        \n        (5)\n        \n      </span>\n    </div>\n    <div class=\"bibbase_group_body\">\n      \n  \n  <div class=\"bibbase_paper\" id=\"ramisetti-yadav-insightsfrommolecularsimulationsonliquidslipovernanostructuredsurfaces-2022\">\n  <span class=\"bibbase_paper_titleauthoryear\">\n\n  \n  <span class=\"bibbase_paper_title\">\n  \n  \n  \n  Insights from molecular simulations on liquid slip over nanostructured surfaces.\n  \n  \n  \n</span>\n\n  <span class=\"bibbase_paper_author\">\n  <a class=\"bibbase author link\" href=\"https://ramisetti.github.io/publications/\">Ramisetti, S. B.</a>;  and Yadav, A.\n</span>\n\n  \n\n</span>\n\n  <i>Journal of Molecular Modeling</i>, 28(11): 346. October 2022.\n  <span class=\"note\"></span>\n\n<span class=\"bibbase_note\"></span>\n\n<br class=\"bibbase_paper_content\"/>\n\n<span class=\"bibbase_paper_content dontprint\">\n\n  \n\n  \n  <a href=\"http://doi.org/10.1007/s00894-022-05338-x\"\n     onclick=\"log_download('ramisetti-yadav-insightsfrommolecularsimulationsonliquidslipovernanostructuredsurfaces-2022', 'http://doi.org/10.1007/s00894-022-05338-x', event.ctrlKey)\"\n     class=\"bibbase doi link\">\n    <span>doi</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"//bibbase.org/network/publication/ramisetti-yadav-insightsfrommolecularsimulationsonliquidslipovernanostructuredsurfaces-2022\"\n     class=\"bibbase bibbase_page link\">link</a>\n  &nbsp;\n  \n\n  <a href=\"#\"\n     onclick=\"showBib(event); return false;\"\n     class=\"bibbase bibtex link\">bibtex\n    <i class=\"fa fa-caret-down\"></i></a>\n\n  \n  &nbsp;\n  <a class=\"bibbase_abstract_link bibbase link\"\n     href=\"#\"\n     onclick=\"showAbstract(event); return false;\">\n    abstract <i class=\"fa fa-caret-down\"></i></a>\n  \n\n  \n\n  <!-- <a class=\"bibbase read link hidden\" -->\n  <!--    href=\"javascript:toggleRead('ramisetti-yadav-insightsfrommolecularsimulationsonliquidslipovernanostructuredsurfaces-2022')\" -->\n  <!--    title=\"Marking this paper as read adds it to your library on BibBase.\" -->\n  <!--    > -->\n  <!--   <i class=\"fa fa-check\"></i>&nbsp; -->\n  <!--   <span>mark as read</span> -->\n  <!-- </a> -->\n\n  &nbsp;\n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n\n</span>\n\n<div class=\"well well-small bibbase\" data-type=\"bibtex\"\n     style=\"display:none\">\n  <pre style=\"white-space: pre-wrap;\">@article{ramisetti_insights_2022,\n\ttitle = {Insights from molecular simulations on liquid slip over nanostructured surfaces},\n\tvolume = {28},\n\tissn = {0948-5023},\n\tdoi = {10.1007/s00894-022-05338-x},\n\tabstract = {The current study focuses on non-equilibrium molecular dynamics (NEMD) simulations to investigate the slip properties of water flowing over different nanostructured surfaces. A simulation protocol is developed that applies constant shear stress throughout the fluid before measuring the slip length. Using pseudo-data, the reliability of this protocol in terms of both accuracy and noise of the results for high-slip and multiphase systems is demonstrated. In contrast to the NEMD techniques available in the literature, the protocol also enables a convenient way to compare the slip lengths of different surface coatings. The fluid slip lengths of surface coatings comprising carbon nanotubes on platinum are predicted using the proposed protocol with nitrogen gas trapped in the interstitial gaps. The role of these gas pockets in determining surface slip properties is investigated. The NEMD results from the proposed model compare well with a macroscopic theoretical model for nano-patterned surfaces. Finally, it is concluded that entrapped gas within nanostructures may offer significant drag reduction only if the gas surface coverage is above 95\\%.},\n\tlanguage = {eng},\n\tnumber = {11},\n\tjournal = {Journal of Molecular Modeling},\n\tauthor = {Ramisetti, Srinivasa B. and Yadav, Anshul},\n\tmonth = oct,\n\tyear = {2022},\n\tpmid = {36205823},\n\tkeywords = {Drag reduction, Gas/liquid flow, Molecular dynamics, Non-continuum effects},\n\tpages = {346},\n}\n\n</pre>\n</div>\n\n\n<div class=\"well well-small bibbase\" data-type=\"abstract\"\n     style=\"display:none\">\n  The current study focuses on non-equilibrium molecular dynamics (NEMD) simulations to investigate the slip properties of water flowing over different nanostructured surfaces. A simulation protocol is developed that applies constant shear stress throughout the fluid before measuring the slip length. Using pseudo-data, the reliability of this protocol in terms of both accuracy and noise of the results for high-slip and multiphase systems is demonstrated. In contrast to the NEMD techniques available in the literature, the protocol also enables a convenient way to compare the slip lengths of different surface coatings. The fluid slip lengths of surface coatings comprising carbon nanotubes on platinum are predicted using the proposed protocol with nitrogen gas trapped in the interstitial gaps. The role of these gas pockets in determining surface slip properties is investigated. The NEMD results from the proposed model compare well with a macroscopic theoretical model for nano-patterned surfaces. Finally, it is concluded that entrapped gas within nanostructures may offer significant drag reduction only if the gas surface coverage is above 95%.\n</div>\n\n\n</div>\n\n\n  <div class=\"bibbase_paper\" id=\"nartu-kumar-ramisetti-improvedmethodologyforaccuratepredictionofblastwaveclearingonafinitetarget-2022\">\n  <span class=\"bibbase_paper_titleauthoryear\">\n\n  \n  <span class=\"bibbase_paper_title\">\n  \n  \n  \n  <a href=\"https://ascelibrary.org/doi/10.1061/%28ASCE%29EM.1943-7889.0002134\"\n     onclick=\"return trackOutboundLink('publications', 'click', 'nartu-kumar-ramisetti-improvedmethodologyforaccuratepredictionofblastwaveclearingonafinitetarget-2022', 'https://ascelibrary.org/doi/10.1061/%28ASCE%29EM.1943-7889.0002134', event);\">\n    Improved Methodology for Accurate Prediction of Blast Wave Clearing on a Finite Target.\n  </a>\n  \n  \n  \n</span>\n\n  <span class=\"bibbase_paper_author\">\n  Nartu, M. K.; Kumar, M.;  and <a class=\"bibbase author link\" href=\"https://ramisetti.github.io/publications/\">Ramisetti, S. B.</a>\n</span>\n\n  \n\n</span>\n\n  <i>Journal of Engineering Mechanics</i>, 148(9): 04022049. September 2022.\n  <span class=\"note\">Publisher: American Society of Civil Engineers</span>\n\n<span class=\"bibbase_note\"></span>\n\n<br class=\"bibbase_paper_content\"/>\n\n<span class=\"bibbase_paper_content dontprint\">\n\n  \n  <a href=\"https://ascelibrary.org/doi/10.1061/%28ASCE%29EM.1943-7889.0002134\"\n     onclick=\"log_download('nartu-kumar-ramisetti-improvedmethodologyforaccuratepredictionofblastwaveclearingonafinitetarget-2022', 'https://ascelibrary.org/doi/10.1061/%28ASCE%29EM.1943-7889.0002134', event.ctrlKey, event)\">\n    <img src=\"//bibbase.org/img/filetypes/link.svg\"\n\t     alt=\"Improved Methodology for Accurate Prediction of Blast Wave Clearing on a Finite Target [link]\"\n       title=\"Paper\"\n\t     class=\"bibbase_icon\"\n         ><span class=\"bibbase_icon_text\">Paper</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"http://doi.org/10.1061/(ASCE)EM.1943-7889.0002134\"\n     onclick=\"log_download('nartu-kumar-ramisetti-improvedmethodologyforaccuratepredictionofblastwaveclearingonafinitetarget-2022', 'http://doi.org/10.1061/(ASCE)EM.1943-7889.0002134', event.ctrlKey)\"\n     class=\"bibbase doi link\">\n    <span>doi</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"//bibbase.org/network/publication/nartu-kumar-ramisetti-improvedmethodologyforaccuratepredictionofblastwaveclearingonafinitetarget-2022\"\n     class=\"bibbase bibbase_page link\">link</a>\n  &nbsp;\n  \n\n  <a href=\"#\"\n     onclick=\"showBib(event); return false;\"\n     class=\"bibbase bibtex link\">bibtex\n    <i class=\"fa fa-caret-down\"></i></a>\n\n  \n  &nbsp;\n  <a class=\"bibbase_abstract_link bibbase link\"\n     href=\"#\"\n     onclick=\"showAbstract(event); return false;\">\n    abstract <i class=\"fa fa-caret-down\"></i></a>\n  \n\n  \n\n  <!-- <a class=\"bibbase read link hidden\" -->\n  <!--    href=\"javascript:toggleRead('nartu-kumar-ramisetti-improvedmethodologyforaccuratepredictionofblastwaveclearingonafinitetarget-2022')\" -->\n  <!--    title=\"Marking this paper as read adds it to your library on BibBase.\" -->\n  <!--    > -->\n  <!--   <i class=\"fa fa-check\"></i>&nbsp; -->\n  <!--   <span>mark as read</span> -->\n  <!-- </a> -->\n\n  &nbsp;\n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n\n</span>\n\n<div class=\"well well-small bibbase\" data-type=\"bibtex\"\n     style=\"display:none\">\n  <pre style=\"white-space: pre-wrap;\">@article{nartu_improved_2022,\n\ttitle = {Improved {Methodology} for {Accurate} {Prediction} of {Blast} {Wave} {Clearing} on a {Finite} {Target}},\n\tvolume = {148},\n\tcopyright = {© 2022 American Society of Civil Engineers},\n\tissn = {1943-7889},\n\turl = {https://ascelibrary.org/doi/10.1061/%28ASCE%29EM.1943-7889.0002134},\n\tdoi = {10.1061/(ASCE)EM.1943-7889.0002134},\n\tabstract = {AbstractAccurate estimation of blast loads on a structure requires consideration of several\ncomplex phenomena during interaction with the target surface. One such phenomenon\nis the clearing effect observed during the diffraction of blast waves from finite\n...},\n\tlanguage = {EN},\n\tnumber = {9},\n\turldate = {2023-09-03},\n\tjournal = {Journal of Engineering Mechanics},\n\tauthor = {Nartu, Manoj Kumar and Kumar, Manish and Ramisetti, Srinivasa B.},\n\tmonth = sep,\n\tyear = {2022},\n\tnote = {Publisher: American Society of Civil Engineers},\n\tkeywords = {Blast wave, Clearing, Diffraction, Strong shocks},\n\tpages = {04022049},\n}\n\n</pre>\n</div>\n\n\n<div class=\"well well-small bibbase\" data-type=\"abstract\"\n     style=\"display:none\">\n  AbstractAccurate estimation of blast loads on a structure requires consideration of several complex phenomena during interaction with the target surface. One such phenomenon is the clearing effect observed during the diffraction of blast waves from finite ...\n</div>\n\n\n</div>\n\n\n  <div class=\"bibbase_paper\" id=\"yadav-dindorkar-ramisetti-sinha-simultaneousadsorptionofmethyleneblueandarsenicongrapheneboronnitrideandboroncarbonnitridenanosheetsinsightsfrommolecularsimulations-2022\">\n  <span class=\"bibbase_paper_titleauthoryear\">\n\n  \n  <span class=\"bibbase_paper_title\">\n  \n  \n  \n  <a href=\"https://www.sciencedirect.com/science/article/pii/S2214714422000964\"\n     onclick=\"return trackOutboundLink('publications', 'click', 'yadav-dindorkar-ramisetti-sinha-simultaneousadsorptionofmethyleneblueandarsenicongrapheneboronnitrideandboroncarbonnitridenanosheetsinsightsfrommolecularsimulations-2022', 'https://www.sciencedirect.com/science/article/pii/S2214714422000964', event);\">\n    Simultaneous adsorption of methylene blue and arsenic on graphene, boron nitride and boron carbon nitride nanosheets: Insights from molecular simulations.\n  </a>\n  \n  \n  \n</span>\n\n  <span class=\"bibbase_paper_author\">\n  Yadav, A.; Dindorkar, S. S.; <a class=\"bibbase author link\" href=\"https://ramisetti.github.io/publications/\">Ramisetti, S. B.</a>;  and Sinha, N.\n</span>\n\n  \n\n</span>\n\n  <i>Journal of Water Process Engineering</i>, 46: 102653. April 2022.\n  <span class=\"note\"></span>\n\n<span class=\"bibbase_note\"></span>\n\n<br class=\"bibbase_paper_content\"/>\n\n<span class=\"bibbase_paper_content dontprint\">\n\n  \n  <a href=\"https://www.sciencedirect.com/science/article/pii/S2214714422000964\"\n     onclick=\"log_download('yadav-dindorkar-ramisetti-sinha-simultaneousadsorptionofmethyleneblueandarsenicongrapheneboronnitrideandboroncarbonnitridenanosheetsinsightsfrommolecularsimulations-2022', 'https://www.sciencedirect.com/science/article/pii/S2214714422000964', event.ctrlKey, event)\">\n    <img src=\"//bibbase.org/img/filetypes/link.svg\"\n\t     alt=\"Simultaneous adsorption of methylene blue and arsenic on graphene, boron nitride and boron carbon nitride nanosheets: Insights from molecular simulations [link]\"\n       title=\"Paper\"\n\t     class=\"bibbase_icon\"\n         ><span class=\"bibbase_icon_text\">Paper</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"http://doi.org/10.1016/j.jwpe.2022.102653\"\n     onclick=\"log_download('yadav-dindorkar-ramisetti-sinha-simultaneousadsorptionofmethyleneblueandarsenicongrapheneboronnitrideandboroncarbonnitridenanosheetsinsightsfrommolecularsimulations-2022', 'http://doi.org/10.1016/j.jwpe.2022.102653', event.ctrlKey)\"\n     class=\"bibbase doi link\">\n    <span>doi</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"//bibbase.org/network/publication/yadav-dindorkar-ramisetti-sinha-simultaneousadsorptionofmethyleneblueandarsenicongrapheneboronnitrideandboroncarbonnitridenanosheetsinsightsfrommolecularsimulations-2022\"\n     class=\"bibbase bibbase_page link\">link</a>\n  &nbsp;\n  \n\n  <a href=\"#\"\n     onclick=\"showBib(event); return false;\"\n     class=\"bibbase bibtex link\">bibtex\n    <i class=\"fa fa-caret-down\"></i></a>\n\n  \n  &nbsp;\n  <a class=\"bibbase_abstract_link bibbase link\"\n     href=\"#\"\n     onclick=\"showAbstract(event); return false;\">\n    abstract <i class=\"fa fa-caret-down\"></i></a>\n  \n\n  \n\n  <!-- <a class=\"bibbase read link hidden\" -->\n  <!--    href=\"javascript:toggleRead('yadav-dindorkar-ramisetti-sinha-simultaneousadsorptionofmethyleneblueandarsenicongrapheneboronnitrideandboroncarbonnitridenanosheetsinsightsfrommolecularsimulations-2022')\" -->\n  <!--    title=\"Marking this paper as read adds it to your library on BibBase.\" -->\n  <!--    > -->\n  <!--   <i class=\"fa fa-check\"></i>&nbsp; -->\n  <!--   <span>mark as read</span> -->\n  <!-- </a> -->\n\n  &nbsp;\n  \n  \n\n</span>\n\n<div class=\"well well-small bibbase\" data-type=\"bibtex\"\n     style=\"display:none\">\n  <pre style=\"white-space: pre-wrap;\">@article{yadav_simultaneous_2022,\n\ttitle = {Simultaneous adsorption of methylene blue and arsenic on graphene, boron nitride and boron carbon nitride nanosheets: {Insights} from molecular simulations},\n\tvolume = {46},\n\tissn = {2214-7144},\n\tshorttitle = {Simultaneous adsorption of methylene blue and arsenic on graphene, boron nitride and boron carbon nitride nanosheets},\n\turl = {https://www.sciencedirect.com/science/article/pii/S2214714422000964},\n\tdoi = {10.1016/j.jwpe.2022.102653},\n\tabstract = {The occurrence of various pollutants in water bodies has become a serious concern. In this study, an attempt was made to find out the affinity of two-dimensional graphene (GRA), hexagonal boron nitride (h-BN) and hexagonal boron carbon nitride (h-BCN) towards the simultaneous adsorption of heavy metal (arsenic(III)) and organic dye (methylene blue) using molecular dynamics. The radial distribution functions obtained for the different systems showed that the OW-OW and OW-As pairs peaked around 3 Å whereas, for the As-As pair, the distribution showed a maximum at {\\textasciitilde}9 Å. The observations were consistent for all three nanosheets, irrespective of whether the adsorption occurred individually or simultaneously. The simultaneous adsorption was synergistic on all three nanosheets, of which the effect was maximum for graphene, indicating better efficiency for real wastewater treatment. Further, by integrating the radial distribution function, a coordination number of 12 was obtained for the arsenic(III) ions. The diffusion properties of water molecules during various adsorption interactions were studied by calculating the diffusion coefficients from the mean squared displacement curves. The density distributions were also examined to highlight how the water molecules surround the adsorbate ions. The orientation of the adsorbate molecules and their distance from the nanosheets were evaluated to propose a possible pathway by which the adsorption occurred. This study revealed that the potency of GRA for simultaneous adsorption of methylene blue and arsenic(III) was better than h-BN and h-BCN.},\n\tlanguage = {en},\n\turldate = {2022-03-25},\n\tjournal = {Journal of Water Process Engineering},\n\tauthor = {Yadav, Anshul and Dindorkar, Shreyas S. and Ramisetti, Srinivasa B. and Sinha, Niraj},\n\tmonth = apr,\n\tyear = {2022},\n\tpages = {102653},\n}\n\n</pre>\n</div>\n\n\n<div class=\"well well-small bibbase\" data-type=\"abstract\"\n     style=\"display:none\">\n  The occurrence of various pollutants in water bodies has become a serious concern. In this study, an attempt was made to find out the affinity of two-dimensional graphene (GRA), hexagonal boron nitride (h-BN) and hexagonal boron carbon nitride (h-BCN) towards the simultaneous adsorption of heavy metal (arsenic(III)) and organic dye (methylene blue) using molecular dynamics. The radial distribution functions obtained for the different systems showed that the OW-OW and OW-As pairs peaked around 3 Å whereas, for the As-As pair, the distribution showed a maximum at ~9 Å. The observations were consistent for all three nanosheets, irrespective of whether the adsorption occurred individually or simultaneously. The simultaneous adsorption was synergistic on all three nanosheets, of which the effect was maximum for graphene, indicating better efficiency for real wastewater treatment. Further, by integrating the radial distribution function, a coordination number of 12 was obtained for the arsenic(III) ions. The diffusion properties of water molecules during various adsorption interactions were studied by calculating the diffusion coefficients from the mean squared displacement curves. The density distributions were also examined to highlight how the water molecules surround the adsorbate ions. The orientation of the adsorbate molecules and their distance from the nanosheets were evaluated to propose a possible pathway by which the adsorption occurred. This study revealed that the potency of GRA for simultaneous adsorption of methylene blue and arsenic(III) was better than h-BN and h-BCN.\n</div>\n\n\n</div>\n\n\n  <div class=\"bibbase_paper\" id=\"niranjan-ramisetti-insightsfromdetailednumericalinvestigationof15mwoffshoresemisubmersiblewindturbineusingaerohydroservoelasticcode-2022\">\n  <span class=\"bibbase_paper_titleauthoryear\">\n\n  \n  <span class=\"bibbase_paper_title\">\n  \n  \n  \n  <a href=\"https://www.sciencedirect.com/science/article/pii/S0029801822004449\"\n     onclick=\"return trackOutboundLink('publications', 'click', 'niranjan-ramisetti-insightsfromdetailednumericalinvestigationof15mwoffshoresemisubmersiblewindturbineusingaerohydroservoelasticcode-2022', 'https://www.sciencedirect.com/science/article/pii/S0029801822004449', event);\">\n    Insights from detailed numerical investigation of 15 MW offshore semi-submersible wind turbine using aero-hydro-servo-elastic code.\n  </a>\n  \n  \n  \n</span>\n\n  <span class=\"bibbase_paper_author\">\n  Niranjan, R.;  and <a class=\"bibbase author link\" href=\"https://ramisetti.github.io/publications/\">Ramisetti, S. B.</a>\n</span>\n\n  \n\n</span>\n\n  <i>Ocean Engineering</i>, 251: 111024. May 2022.\n  <span class=\"note\"></span>\n\n<span class=\"bibbase_note\"></span>\n\n<br class=\"bibbase_paper_content\"/>\n\n<span class=\"bibbase_paper_content dontprint\">\n\n  \n  <a href=\"https://www.sciencedirect.com/science/article/pii/S0029801822004449\"\n     onclick=\"log_download('niranjan-ramisetti-insightsfromdetailednumericalinvestigationof15mwoffshoresemisubmersiblewindturbineusingaerohydroservoelasticcode-2022', 'https://www.sciencedirect.com/science/article/pii/S0029801822004449', event.ctrlKey, event)\">\n    <img src=\"//bibbase.org/img/filetypes/link.svg\"\n\t     alt=\"Insights from detailed numerical investigation of 15 MW offshore semi-submersible wind turbine using aero-hydro-servo-elastic code [link]\"\n       title=\"Paper\"\n\t     class=\"bibbase_icon\"\n         ><span class=\"bibbase_icon_text\">Paper</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"http://doi.org/10.1016/j.oceaneng.2022.111024\"\n     onclick=\"log_download('niranjan-ramisetti-insightsfromdetailednumericalinvestigationof15mwoffshoresemisubmersiblewindturbineusingaerohydroservoelasticcode-2022', 'http://doi.org/10.1016/j.oceaneng.2022.111024', event.ctrlKey)\"\n     class=\"bibbase doi link\">\n    <span>doi</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"//bibbase.org/network/publication/niranjan-ramisetti-insightsfromdetailednumericalinvestigationof15mwoffshoresemisubmersiblewindturbineusingaerohydroservoelasticcode-2022\"\n     class=\"bibbase bibbase_page link\">link</a>\n  &nbsp;\n  \n\n  <a href=\"#\"\n     onclick=\"showBib(event); return false;\"\n     class=\"bibbase bibtex link\">bibtex\n    <i class=\"fa fa-caret-down\"></i></a>\n\n  \n  &nbsp;\n  <a class=\"bibbase_abstract_link bibbase link\"\n     href=\"#\"\n     onclick=\"showAbstract(event); return false;\">\n    abstract <i class=\"fa fa-caret-down\"></i></a>\n  \n\n  \n\n  <!-- <a class=\"bibbase read link hidden\" -->\n  <!--    href=\"javascript:toggleRead('niranjan-ramisetti-insightsfromdetailednumericalinvestigationof15mwoffshoresemisubmersiblewindturbineusingaerohydroservoelasticcode-2022')\" -->\n  <!--    title=\"Marking this paper as read adds it to your library on BibBase.\" -->\n  <!--    > -->\n  <!--   <i class=\"fa fa-check\"></i>&nbsp; -->\n  <!--   <span>mark as read</span> -->\n  <!-- </a> -->\n\n  &nbsp;\n  \n  \n\n</span>\n\n<div class=\"well well-small bibbase\" data-type=\"bibtex\"\n     style=\"display:none\">\n  <pre style=\"white-space: pre-wrap;\">@article{niranjan_insights_2022,\n\ttitle = {Insights from detailed numerical investigation of 15 {MW} offshore semi-submersible wind turbine using aero-hydro-servo-elastic code},\n\tvolume = {251},\n\tissn = {0029-8018},\n\turl = {https://www.sciencedirect.com/science/article/pii/S0029801822004449},\n\tdoi = {10.1016/j.oceaneng.2022.111024},\n\tabstract = {Offshore wind turbines are getting larger in terms of dimensions to maximize power generation. Large wind turbine offshore structures can be installed in deep water locations, where they have the advantage to generate higher power due to high wind speeds. To achieve this, wind turbine manufacturers are introducing larger and scaled-up designs to meet the global energy demands. However, these models suffer from large structural loads and deformations when subjected to varying environmental loadings. Therefore, it is necessary to fully comprehend the multibody coupled dynamics of such large offshore structures before proceeding towards their installation in open oceans. This paper carries out an extensive investigation on the ultimate load analysis and fully coupled dynamic response of the 15 MW reference turbine mounted over a UMaine VolturnUS-S semi-submersible floating platform. We used OpenFAST to carry out the stability and full-system linearization studies followed by a detailed time-domain analysis for the power production, parked and fault conditions. We began with a brief background theory on linearization and eigenanalysis for identifying the natural frequencies followed by discussion of the Campbell diagram showing the full-system natural frequencies. It was observed that the multi-blade coordinate code does not correctly pick the natural frequencies. Additional free decay tests have been carried out to verify the full-system natural frequencies. The variation of mean, minimum and maximum values of various characteristic loads and platform motions with respect to different environmental conditions are also presented. We also discussed the change in dynamic response due to the yaw misalignment, wind–wave misalignment, and second-order wave forces. The parked and fault conditions were found to be the critical design load cases (DLCs) for the design of IEA 15 MW wind turbine mounted on Volturn US-S semi-submersible. Furthermore, this paper gives an insight of the important DLCs to be considered while computing the design loads for similar large wind turbine structures.},\n\tlanguage = {en},\n\turldate = {2022-03-25},\n\tjournal = {Ocean Engineering},\n\tauthor = {Niranjan, Ramya and Ramisetti, Srinivasa B.},\n\tmonth = may,\n\tyear = {2022},\n\tpages = {111024},\n}\n\n</pre>\n</div>\n\n\n<div class=\"well well-small bibbase\" data-type=\"abstract\"\n     style=\"display:none\">\n  Offshore wind turbines are getting larger in terms of dimensions to maximize power generation. Large wind turbine offshore structures can be installed in deep water locations, where they have the advantage to generate higher power due to high wind speeds. To achieve this, wind turbine manufacturers are introducing larger and scaled-up designs to meet the global energy demands. However, these models suffer from large structural loads and deformations when subjected to varying environmental loadings. Therefore, it is necessary to fully comprehend the multibody coupled dynamics of such large offshore structures before proceeding towards their installation in open oceans. This paper carries out an extensive investigation on the ultimate load analysis and fully coupled dynamic response of the 15 MW reference turbine mounted over a UMaine VolturnUS-S semi-submersible floating platform. We used OpenFAST to carry out the stability and full-system linearization studies followed by a detailed time-domain analysis for the power production, parked and fault conditions. We began with a brief background theory on linearization and eigenanalysis for identifying the natural frequencies followed by discussion of the Campbell diagram showing the full-system natural frequencies. It was observed that the multi-blade coordinate code does not correctly pick the natural frequencies. Additional free decay tests have been carried out to verify the full-system natural frequencies. The variation of mean, minimum and maximum values of various characteristic loads and platform motions with respect to different environmental conditions are also presented. We also discussed the change in dynamic response due to the yaw misalignment, wind–wave misalignment, and second-order wave forces. The parked and fault conditions were found to be the critical design load cases (DLCs) for the design of IEA 15 MW wind turbine mounted on Volturn US-S semi-submersible. Furthermore, this paper gives an insight of the important DLCs to be considered while computing the design loads for similar large wind turbine structures.\n</div>\n\n\n</div>\n\n\n  <div class=\"bibbase_paper\" id=\"yadav-dindorkar-ramisetti-adsorptionbehaviourofboronnitridenanosheetstowardsthepositivenegativeandtheneutralantibioticsinsightsfromfirstprinciplestudies-2022\">\n  <span class=\"bibbase_paper_titleauthoryear\">\n\n  \n  <span class=\"bibbase_paper_title\">\n  \n  \n  \n  <a href=\"https://www.sciencedirect.com/science/article/pii/S2214714421006425\"\n     onclick=\"return trackOutboundLink('publications', 'click', 'yadav-dindorkar-ramisetti-adsorptionbehaviourofboronnitridenanosheetstowardsthepositivenegativeandtheneutralantibioticsinsightsfromfirstprinciplestudies-2022', 'https://www.sciencedirect.com/science/article/pii/S2214714421006425', event);\">\n    Adsorption behaviour of boron nitride nanosheets towards the positive, negative and the neutral antibiotics: Insights from first principle studies.\n  </a>\n  \n  \n  \n</span>\n\n  <span class=\"bibbase_paper_author\">\n  Yadav, A.; Dindorkar, S. S.;  and <a class=\"bibbase author link\" href=\"https://ramisetti.github.io/publications/\">Ramisetti, S. B.</a>\n</span>\n\n  \n\n</span>\n\n  <i>Journal of Water Process Engineering</i>, 46: 102555. April 2022.\n  <span class=\"note\"></span>\n\n<span class=\"bibbase_note\"></span>\n\n<br class=\"bibbase_paper_content\"/>\n\n<span class=\"bibbase_paper_content dontprint\">\n\n  \n  <a href=\"https://www.sciencedirect.com/science/article/pii/S2214714421006425\"\n     onclick=\"log_download('yadav-dindorkar-ramisetti-adsorptionbehaviourofboronnitridenanosheetstowardsthepositivenegativeandtheneutralantibioticsinsightsfromfirstprinciplestudies-2022', 'https://www.sciencedirect.com/science/article/pii/S2214714421006425', event.ctrlKey, event)\">\n    <img src=\"//bibbase.org/img/filetypes/link.svg\"\n\t     alt=\"Adsorption behaviour of boron nitride nanosheets towards the positive, negative and the neutral antibiotics: Insights from first principle studies [link]\"\n       title=\"Paper\"\n\t     class=\"bibbase_icon\"\n         ><span class=\"bibbase_icon_text\">Paper</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"http://doi.org/10.1016/j.jwpe.2021.102555\"\n     onclick=\"log_download('yadav-dindorkar-ramisetti-adsorptionbehaviourofboronnitridenanosheetstowardsthepositivenegativeandtheneutralantibioticsinsightsfromfirstprinciplestudies-2022', 'http://doi.org/10.1016/j.jwpe.2021.102555', event.ctrlKey)\"\n     class=\"bibbase doi link\">\n    <span>doi</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"//bibbase.org/network/publication/yadav-dindorkar-ramisetti-adsorptionbehaviourofboronnitridenanosheetstowardsthepositivenegativeandtheneutralantibioticsinsightsfromfirstprinciplestudies-2022\"\n     class=\"bibbase bibbase_page link\">link</a>\n  &nbsp;\n  \n\n  <a href=\"#\"\n     onclick=\"showBib(event); return false;\"\n     class=\"bibbase bibtex link\">bibtex\n    <i class=\"fa fa-caret-down\"></i></a>\n\n  \n  &nbsp;\n  <a class=\"bibbase_abstract_link bibbase link\"\n     href=\"#\"\n     onclick=\"showAbstract(event); return false;\">\n    abstract <i class=\"fa fa-caret-down\"></i></a>\n  \n\n  \n\n  <!-- <a class=\"bibbase read link hidden\" -->\n  <!--    href=\"javascript:toggleRead('yadav-dindorkar-ramisetti-adsorptionbehaviourofboronnitridenanosheetstowardsthepositivenegativeandtheneutralantibioticsinsightsfromfirstprinciplestudies-2022')\" -->\n  <!--    title=\"Marking this paper as read adds it to your library on BibBase.\" -->\n  <!--    > -->\n  <!--   <i class=\"fa fa-check\"></i>&nbsp; -->\n  <!--   <span>mark as read</span> -->\n  <!-- </a> -->\n\n  &nbsp;\n  \n  \n\n</span>\n\n<div class=\"well well-small bibbase\" data-type=\"bibtex\"\n     style=\"display:none\">\n  <pre style=\"white-space: pre-wrap;\">@article{yadav_adsorption_2022,\n\ttitle = {Adsorption behaviour of boron nitride nanosheets towards the positive, negative and the neutral antibiotics: {Insights} from first principle studies},\n\tvolume = {46},\n\tissn = {2214-7144},\n\tshorttitle = {Adsorption behaviour of boron nitride nanosheets towards the positive, negative and the neutral antibiotics},\n\turl = {https://www.sciencedirect.com/science/article/pii/S2214714421006425},\n\tdoi = {10.1016/j.jwpe.2021.102555},\n\tabstract = {In this study, the adsorption of ampicillin (APC, positive), ciprofloxacin (CFX, neutral) and cephalosporin (CLS, negative) antibiotics on boron nitride nanosheets (BNNS) were investigated using the first principle density functional theory. To make a comprehensive study on the adsorption of the positive, negative and neutral antibiotics on the BNNS, investigations were made using the electrostatic potential maps, natural-bonding orbitals charge distributions and the density of states plots. Theoretical IR spectra of clusters before and after adsorption were obtained to study the stability of the post adsorption complexes. Koopman&#x27;s approach was used to study the properties of antibiotics and complex clusters. The quantum mechanical descriptors of various systems were also calculated to comment upon the feasibility of the interactions. From the electrostatic potential contours and the natural-bonding orbitals charge transfer data, it was clear that the maximum charge accretion occurred in the CLS-BNNS complex. APC was the closest to the BNNS at a distance of 2.52 Å. The adsorption energies calculated for the three complex clusters revealed that CLS released the most adsorption energy of −167.74 kJ/mol, indicating that interaction was maximum for CLS antibiotics. CLS-BNNS cluster exhibited the smallest HOMO-LUMO gap, indicating that CLS antibiotic adsorption on the BNNS was more favourable among the three antibiotics. The plausible mechanism investigated indicated that the interactions between antibiotics and BNNS were mainly due to the weak Van der Waal forces. This theoretical study showed the promising application of BNNS as an effective adsorbing material for removing negatively charged antibiotics from an aqueous stream.},\n\tlanguage = {en},\n\turldate = {2022-01-30},\n\tjournal = {Journal of Water Process Engineering},\n\tauthor = {Yadav, Anshul and Dindorkar, Shreyas S. and Ramisetti, Srinivasa B.},\n\tmonth = apr,\n\tyear = {2022},\n\tpages = {102555},\n}\n\n</pre>\n</div>\n\n\n<div class=\"well well-small bibbase\" data-type=\"abstract\"\n     style=\"display:none\">\n  In this study, the adsorption of ampicillin (APC, positive), ciprofloxacin (CFX, neutral) and cephalosporin (CLS, negative) antibiotics on boron nitride nanosheets (BNNS) were investigated using the first principle density functional theory. To make a comprehensive study on the adsorption of the positive, negative and neutral antibiotics on the BNNS, investigations were made using the electrostatic potential maps, natural-bonding orbitals charge distributions and the density of states plots. Theoretical IR spectra of clusters before and after adsorption were obtained to study the stability of the post adsorption complexes. Koopman's approach was used to study the properties of antibiotics and complex clusters. The quantum mechanical descriptors of various systems were also calculated to comment upon the feasibility of the interactions. From the electrostatic potential contours and the natural-bonding orbitals charge transfer data, it was clear that the maximum charge accretion occurred in the CLS-BNNS complex. APC was the closest to the BNNS at a distance of 2.52 Å. The adsorption energies calculated for the three complex clusters revealed that CLS released the most adsorption energy of −167.74 kJ/mol, indicating that interaction was maximum for CLS antibiotics. CLS-BNNS cluster exhibited the smallest HOMO-LUMO gap, indicating that CLS antibiotic adsorption on the BNNS was more favourable among the three antibiotics. The plausible mechanism investigated indicated that the interactions between antibiotics and BNNS were mainly due to the weak Van der Waal forces. This theoretical study showed the promising application of BNNS as an effective adsorbing material for removing negatively charged antibiotics from an aqueous stream.\n</div>\n\n\n</div>\n\n\n\n\n\n    </div>\n  </div>\n\n  <div class=\"bibbase_group_whole\" id=\"group_2019\">\n    <div class=\"bibbase_group\"\n      onclick=\"toggleGroup('group_2019')\"\n      onkeypress=\"toggleGroup('group_2019')\"\n      tabindex=\"0\">\n      <i class=\"fa fa-angle-down bibbase_group_head_icon\"></i>&nbsp;\n      <span>2019</span>\n      <span class=\"bibbase_group_count\">\n        \n        (2)\n        \n      </span>\n    </div>\n    <div class=\"bibbase_group_body\">\n      \n  \n  <div class=\"bibbase_paper\" id=\"hu-gao-ramisetti-zhao-nourafkan-glover-wen-carbonquantumdotswithtracerlikebreakthroughabilityforreservoircharacterization-2019\">\n  <span class=\"bibbase_paper_titleauthoryear\">\n\n  \n  <span class=\"bibbase_paper_title\">\n  \n  \n  \n  <a href=\"http://www.sciencedirect.com/science/article/pii/S0048969719309854\"\n     onclick=\"return trackOutboundLink('publications', 'click', 'hu-gao-ramisetti-zhao-nourafkan-glover-wen-carbonquantumdotswithtracerlikebreakthroughabilityforreservoircharacterization-2019', 'http://www.sciencedirect.com/science/article/pii/S0048969719309854', event);\">\n    Carbon quantum dots with tracer-like breakthrough ability for reservoir characterization.\n  </a>\n  \n  \n  \n</span>\n\n  <span class=\"bibbase_paper_author\">\n  Hu, Z.; Gao, H.; <a class=\"bibbase author link\" href=\"https://ramisetti.github.io/publications/\">Ramisetti, S.</a>; Zhao, J.; Nourafkan, E.; Glover, P. W. J.;  and Wen, D.\n</span>\n\n  \n\n</span>\n\n  <i>Science of The Total Environment</i>. March 2019.\n  <span class=\"note\"></span>\n\n<span class=\"bibbase_note\"></span>\n\n<br class=\"bibbase_paper_content\"/>\n\n<span class=\"bibbase_paper_content dontprint\">\n\n  \n  <a href=\"http://www.sciencedirect.com/science/article/pii/S0048969719309854\"\n     onclick=\"log_download('hu-gao-ramisetti-zhao-nourafkan-glover-wen-carbonquantumdotswithtracerlikebreakthroughabilityforreservoircharacterization-2019', 'http://www.sciencedirect.com/science/article/pii/S0048969719309854', event.ctrlKey, event)\">\n    <img src=\"//bibbase.org/img/filetypes/link.svg\"\n\t     alt=\"Carbon quantum dots with tracer-like breakthrough ability for reservoir characterization [link]\"\n       title=\"Paper\"\n\t     class=\"bibbase_icon\"\n         ><span class=\"bibbase_icon_text\">Paper</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"http://doi.org/10.1016/j.scitotenv.2019.03.007\"\n     onclick=\"log_download('hu-gao-ramisetti-zhao-nourafkan-glover-wen-carbonquantumdotswithtracerlikebreakthroughabilityforreservoircharacterization-2019', 'http://doi.org/10.1016/j.scitotenv.2019.03.007', event.ctrlKey)\"\n     class=\"bibbase doi link\">\n    <span>doi</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"//bibbase.org/network/publication/hu-gao-ramisetti-zhao-nourafkan-glover-wen-carbonquantumdotswithtracerlikebreakthroughabilityforreservoircharacterization-2019\"\n     class=\"bibbase bibbase_page link\">link</a>\n  &nbsp;\n  \n\n  <a href=\"#\"\n     onclick=\"showBib(event); return false;\"\n     class=\"bibbase bibtex link\">bibtex\n    <i class=\"fa fa-caret-down\"></i></a>\n\n  \n  &nbsp;\n  <a class=\"bibbase_abstract_link bibbase link\"\n     href=\"#\"\n     onclick=\"showAbstract(event); return false;\">\n    abstract <i class=\"fa fa-caret-down\"></i></a>\n  \n\n  \n\n  <!-- <a class=\"bibbase read link hidden\" -->\n  <!--    href=\"javascript:toggleRead('hu-gao-ramisetti-zhao-nourafkan-glover-wen-carbonquantumdotswithtracerlikebreakthroughabilityforreservoircharacterization-2019')\" -->\n  <!--    title=\"Marking this paper as read adds it to your library on BibBase.\" -->\n  <!--    > -->\n  <!--   <i class=\"fa fa-check\"></i>&nbsp; -->\n  <!--   <span>mark as read</span> -->\n  <!-- </a> -->\n\n  &nbsp;\n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n\n</span>\n\n<div class=\"well well-small bibbase\" data-type=\"bibtex\"\n     style=\"display:none\">\n  <pre style=\"white-space: pre-wrap;\">@article{hu_carbon_2019,\n\ttitle = {Carbon quantum dots with tracer-like breakthrough ability for reservoir characterization},\n\tissn = {0048-9697},\n\turl = {http://www.sciencedirect.com/science/article/pii/S0048969719309854},\n\tdoi = {10.1016/j.scitotenv.2019.03.007},\n\tabstract = {Predictions have shown that our demand for oil and gas will continue to grow in the next decade, and future supply will become more reliant on tertiary recovery and from nonconventional resources. However, current reservoir characterization methodologies, such as well logs, cross-well electromagnetic imaging and seismic methods, have their individual limitations on detection range and resolution. Here we propose a pioneering way to use carbon quantum dots (CQDs) as nanoparticle tracers, which can be transported through a reservoir functioning as conventional tracers, while acting as sensors to obtain useful information. These hydrothermally produced CQDs from Xylose possess excellent stability in high ionic strength solutions, durable absorbance and fluorescence ability due to multi high-polarity functional group on their surfaces. Consistency between our on-line ultraviolet–visible (UV–Vis) spectroscopy and off-line Confocal laser scanning microscopy (CLSM) measurements confirms that CQDs have the tracer-like migration capability in glass beads-packed columns and sandstone cores, regardless of particle concentration and ionic strength. However, their migration ability is undermined in the column packed with crushed calcite grains with positive charge. We also demonstrate that quantitative oil saturation detection in unknown sandstone core samples can be achieved by such CQDs based on its breakthrough properties influenced by the presence of oil phase.},\n\turldate = {2019-03-09},\n\tjournal = {Science of The Total Environment},\n\tauthor = {Hu, Zhongliang and Gao, Hui and Ramisetti, Srinivasa and Zhao, Jin and Nourafkan, Ehsan and Glover, Paul W. J. and Wen, Dongsheng},\n\tmonth = mar,\n\tyear = {2019},\n\tkeywords = {High salinity, Quantum dots, Scalable nanotracer, Subsurface reservoir characterization, Transport behaviour},\n}\n\n</pre>\n</div>\n\n\n<div class=\"well well-small bibbase\" data-type=\"abstract\"\n     style=\"display:none\">\n  Predictions have shown that our demand for oil and gas will continue to grow in the next decade, and future supply will become more reliant on tertiary recovery and from nonconventional resources. However, current reservoir characterization methodologies, such as well logs, cross-well electromagnetic imaging and seismic methods, have their individual limitations on detection range and resolution. Here we propose a pioneering way to use carbon quantum dots (CQDs) as nanoparticle tracers, which can be transported through a reservoir functioning as conventional tracers, while acting as sensors to obtain useful information. These hydrothermally produced CQDs from Xylose possess excellent stability in high ionic strength solutions, durable absorbance and fluorescence ability due to multi high-polarity functional group on their surfaces. Consistency between our on-line ultraviolet–visible (UV–Vis) spectroscopy and off-line Confocal laser scanning microscopy (CLSM) measurements confirms that CQDs have the tracer-like migration capability in glass beads-packed columns and sandstone cores, regardless of particle concentration and ionic strength. However, their migration ability is undermined in the column packed with crushed calcite grains with positive charge. We also demonstrate that quantitative oil saturation detection in unknown sandstone core samples can be achieved by such CQDs based on its breakthrough properties influenced by the presence of oil phase.\n</div>\n\n\n</div>\n\n\n  <div class=\"bibbase_paper\" id=\"zhao-yao-ramisetti-hammond-wen-moleculardynamicsinvestigationofsubstratewettabilityalterationandoiltransportinacalcitenanopore-2019\">\n  <span class=\"bibbase_paper_titleauthoryear\">\n\n  \n  <span class=\"bibbase_paper_title\">\n  \n  \n  \n  <a href=\"http://www.sciencedirect.com/science/article/pii/S0016236118319860\"\n     onclick=\"return trackOutboundLink('publications', 'click', 'zhao-yao-ramisetti-hammond-wen-moleculardynamicsinvestigationofsubstratewettabilityalterationandoiltransportinacalcitenanopore-2019', 'http://www.sciencedirect.com/science/article/pii/S0016236118319860', event);\">\n    Molecular dynamics investigation of substrate wettability alteration and oil transport in a calcite nanopore.\n  </a>\n  \n  \n  \n</span>\n\n  <span class=\"bibbase_paper_author\">\n  Zhao, J.; Yao, G.; <a class=\"bibbase author link\" href=\"https://ramisetti.github.io/publications/\">Ramisetti, S. B.</a>; Hammond, R. B.;  and Wen, D.\n</span>\n\n  \n\n</span>\n\n  <i>Fuel</i>, 239: 1149–1161. March 2019.\n  <span class=\"note\"></span>\n\n<span class=\"bibbase_note\"></span>\n\n<br class=\"bibbase_paper_content\"/>\n\n<span class=\"bibbase_paper_content dontprint\">\n\n  \n  <a href=\"http://www.sciencedirect.com/science/article/pii/S0016236118319860\"\n     onclick=\"log_download('zhao-yao-ramisetti-hammond-wen-moleculardynamicsinvestigationofsubstratewettabilityalterationandoiltransportinacalcitenanopore-2019', 'http://www.sciencedirect.com/science/article/pii/S0016236118319860', event.ctrlKey, event)\">\n    <img src=\"//bibbase.org/img/filetypes/link.svg\"\n\t     alt=\"Molecular dynamics investigation of substrate wettability alteration and oil transport in a calcite nanopore [link]\"\n       title=\"Paper\"\n\t     class=\"bibbase_icon\"\n         ><span class=\"bibbase_icon_text\">Paper</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"http://doi.org/10.1016/j.fuel.2018.11.089\"\n     onclick=\"log_download('zhao-yao-ramisetti-hammond-wen-moleculardynamicsinvestigationofsubstratewettabilityalterationandoiltransportinacalcitenanopore-2019', 'http://doi.org/10.1016/j.fuel.2018.11.089', event.ctrlKey)\"\n     class=\"bibbase doi link\">\n    <span>doi</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"//bibbase.org/network/publication/zhao-yao-ramisetti-hammond-wen-moleculardynamicsinvestigationofsubstratewettabilityalterationandoiltransportinacalcitenanopore-2019\"\n     class=\"bibbase bibbase_page link\">link</a>\n  &nbsp;\n  \n\n  <a href=\"#\"\n     onclick=\"showBib(event); return false;\"\n     class=\"bibbase bibtex link\">bibtex\n    <i class=\"fa fa-caret-down\"></i></a>\n\n  \n  &nbsp;\n  <a class=\"bibbase_abstract_link bibbase link\"\n     href=\"#\"\n     onclick=\"showAbstract(event); return false;\">\n    abstract <i class=\"fa fa-caret-down\"></i></a>\n  \n\n  \n\n  <!-- <a class=\"bibbase read link hidden\" -->\n  <!--    href=\"javascript:toggleRead('zhao-yao-ramisetti-hammond-wen-moleculardynamicsinvestigationofsubstratewettabilityalterationandoiltransportinacalcitenanopore-2019')\" -->\n  <!--    title=\"Marking this paper as read adds it to your library on BibBase.\" -->\n  <!--    > -->\n  <!--   <i class=\"fa fa-check\"></i>&nbsp; -->\n  <!--   <span>mark as read</span> -->\n  <!-- </a> -->\n\n  &nbsp;\n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n\n</span>\n\n<div class=\"well well-small bibbase\" data-type=\"bibtex\"\n     style=\"display:none\">\n  <pre style=\"white-space: pre-wrap;\">@article{zhao_molecular_2019,\n\ttitle = {Molecular dynamics investigation of substrate wettability alteration and oil transport in a calcite nanopore},\n\tvolume = {239},\n\tissn = {0016-2361},\n\turl = {http://www.sciencedirect.com/science/article/pii/S0016236118319860},\n\tdoi = {10.1016/j.fuel.2018.11.089},\n\tabstract = {Low salinity flooding has been proposed as a promising method for enhanced oil recovery, but the underlying mechanism remains unclear especially for carbonate reservoirs. This work investigates the effect of water salinity in altering the wettability of nano-slit pores for three types of calcite surfaces (i.e., a neutral nonpolar \\{101-4\\} surface, and the polar \\{0 0 0 1\\} surface with positively and negatively charged surfaces) using classical, equilibrium molecular dynamic (EMD) simulations. In addition, non-equilibrium MD simulations (NEMD) reveal the influence of wettability on the oil transport properties in a nano-pore at different salt concentrations of sodium chloride (NaCl) (0.20 M, 0.50 M, and 1.00 M). Results show that increasing water salinity has little effect on the wettability of a nano-pore comprised of neutral calcite surfaces. For a calcite nano-slit pore comprised of charged surfaces, however, the dipole-ion interaction alters the surface wettability creating a more hydrophilic surface due to the hydration effect of ions at elevated salt concentrations. While a partially decane-wet neutral nonpolar calcite surface greatly inhibits the movement of an oil droplet in the pore, greater oil mobility is achieved for dipolar nano-pores, especially at elevated salt concentrations.},\n\turldate = {2018-12-04},\n\tjournal = {Fuel},\n\tauthor = {Zhao, Jin and Yao, Guice and Ramisetti, Srinivasa B. and Hammond, Robert B. and Wen, Dongsheng},\n\tmonth = mar,\n\tyear = {2019},\n\tkeywords = {Dipolar nano-pores, Enhanced oil recovery, Low salinity, Molecular dynamics, Wettability},\n\tpages = {1149--1161},\n}\n\n</pre>\n</div>\n\n\n<div class=\"well well-small bibbase\" data-type=\"abstract\"\n     style=\"display:none\">\n  Low salinity flooding has been proposed as a promising method for enhanced oil recovery, but the underlying mechanism remains unclear especially for carbonate reservoirs. This work investigates the effect of water salinity in altering the wettability of nano-slit pores for three types of calcite surfaces (i.e., a neutral nonpolar \\101-4\\ surface, and the polar \\0 0 0 1\\ surface with positively and negatively charged surfaces) using classical, equilibrium molecular dynamic (EMD) simulations. In addition, non-equilibrium MD simulations (NEMD) reveal the influence of wettability on the oil transport properties in a nano-pore at different salt concentrations of sodium chloride (NaCl) (0.20 M, 0.50 M, and 1.00 M). Results show that increasing water salinity has little effect on the wettability of a nano-pore comprised of neutral calcite surfaces. For a calcite nano-slit pore comprised of charged surfaces, however, the dipole-ion interaction alters the surface wettability creating a more hydrophilic surface due to the hydration effect of ions at elevated salt concentrations. While a partially decane-wet neutral nonpolar calcite surface greatly inhibits the movement of an oil droplet in the pore, greater oil mobility is achieved for dipolar nano-pores, especially at elevated salt concentrations.\n</div>\n\n\n</div>\n\n\n\n\n\n    </div>\n  </div>\n\n  <div class=\"bibbase_group_whole\" id=\"group_2018\">\n    <div class=\"bibbase_group\"\n      onclick=\"toggleGroup('group_2018')\"\n      onkeypress=\"toggleGroup('group_2018')\"\n      tabindex=\"0\">\n      <i class=\"fa fa-angle-down bibbase_group_head_icon\"></i>&nbsp;\n      <span>2018</span>\n      <span class=\"bibbase_group_count\">\n        \n        (3)\n        \n      </span>\n    </div>\n    <div class=\"bibbase_group_body\">\n      \n  \n  <div class=\"bibbase_paper\" id=\"yao-zhao-ramisetti-wen-atomisticmoleculardynamicsimulationofdilutepolyacrylicacidsolutioneffectsofsimulationsizesensitivityandionicstrength-2018\">\n  <span class=\"bibbase_paper_titleauthoryear\">\n\n  \n  <span class=\"bibbase_paper_title\">\n  \n  \n  \n  <a href=\"https://doi.org/10.1021/acs.iecr.8b03549\"\n     onclick=\"return trackOutboundLink('publications', 'click', 'yao-zhao-ramisetti-wen-atomisticmoleculardynamicsimulationofdilutepolyacrylicacidsolutioneffectsofsimulationsizesensitivityandionicstrength-2018', 'https://doi.org/10.1021/acs.iecr.8b03549', event);\">\n    Atomistic Molecular Dynamic Simulation of Dilute Poly(acrylic acid) Solution: Effects of Simulation Size Sensitivity and Ionic Strength.\n  </a>\n  \n  \n  \n</span>\n\n  <span class=\"bibbase_paper_author\">\n  Yao, G.; Zhao, J.; <a class=\"bibbase author link\" href=\"https://ramisetti.github.io/publications/\">Ramisetti, S. B.</a>;  and Wen, D.\n</span>\n\n  \n\n</span>\n\n  <i>Industrial & Engineering Chemistry Research</i>, 57(50): 17129–17141. December 2018.\n  <span class=\"note\">Publisher: American Chemical Society</span>\n\n<span class=\"bibbase_note\"></span>\n\n<br class=\"bibbase_paper_content\"/>\n\n<span class=\"bibbase_paper_content dontprint\">\n\n  \n  <a href=\"https://doi.org/10.1021/acs.iecr.8b03549\"\n     onclick=\"log_download('yao-zhao-ramisetti-wen-atomisticmoleculardynamicsimulationofdilutepolyacrylicacidsolutioneffectsofsimulationsizesensitivityandionicstrength-2018', 'https://doi.org/10.1021/acs.iecr.8b03549', event.ctrlKey, event)\">\n    <img src=\"//bibbase.org/img/filetypes/link.svg\"\n\t     alt=\"Atomistic Molecular Dynamic Simulation of Dilute Poly(acrylic acid) Solution: Effects of Simulation Size Sensitivity and Ionic Strength [link]\"\n       title=\"Paper\"\n\t     class=\"bibbase_icon\"\n         ><span class=\"bibbase_icon_text\">Paper</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"http://doi.org/10.1021/acs.iecr.8b03549\"\n     onclick=\"log_download('yao-zhao-ramisetti-wen-atomisticmoleculardynamicsimulationofdilutepolyacrylicacidsolutioneffectsofsimulationsizesensitivityandionicstrength-2018', 'http://doi.org/10.1021/acs.iecr.8b03549', event.ctrlKey)\"\n     class=\"bibbase doi link\">\n    <span>doi</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"//bibbase.org/network/publication/yao-zhao-ramisetti-wen-atomisticmoleculardynamicsimulationofdilutepolyacrylicacidsolutioneffectsofsimulationsizesensitivityandionicstrength-2018\"\n     class=\"bibbase bibbase_page link\">link</a>\n  &nbsp;\n  \n\n  <a href=\"#\"\n     onclick=\"showBib(event); return false;\"\n     class=\"bibbase bibtex link\">bibtex\n    <i class=\"fa fa-caret-down\"></i></a>\n\n  \n  &nbsp;\n  <a class=\"bibbase_abstract_link bibbase link\"\n     href=\"#\"\n     onclick=\"showAbstract(event); return false;\">\n    abstract <i class=\"fa fa-caret-down\"></i></a>\n  \n\n  \n\n  <!-- <a class=\"bibbase read link hidden\" -->\n  <!--    href=\"javascript:toggleRead('yao-zhao-ramisetti-wen-atomisticmoleculardynamicsimulationofdilutepolyacrylicacidsolutioneffectsofsimulationsizesensitivityandionicstrength-2018')\" -->\n  <!--    title=\"Marking this paper as read adds it to your library on BibBase.\" -->\n  <!--    > -->\n  <!--   <i class=\"fa fa-check\"></i>&nbsp; -->\n  <!--   <span>mark as read</span> -->\n  <!-- </a> -->\n\n  &nbsp;\n  \n  \n\n</span>\n\n<div class=\"well well-small bibbase\" data-type=\"bibtex\"\n     style=\"display:none\">\n  <pre style=\"white-space: pre-wrap;\">@article{yao_atomistic_2018,\n\ttitle = {Atomistic {Molecular} {Dynamic} {Simulation} of {Dilute} {Poly}(acrylic acid) {Solution}: {Effects} of {Simulation} {Size} {Sensitivity} and {Ionic} {Strength}},\n\tvolume = {57},\n\tissn = {0888-5885},\n\tshorttitle = {Atomistic {Molecular} {Dynamic} {Simulation} of {Dilute} {Poly}(acrylic acid) {Solution}},\n\turl = {https://doi.org/10.1021/acs.iecr.8b03549},\n\tdoi = {10.1021/acs.iecr.8b03549},\n\tabstract = {Physical properties of polyelectrolytes have been shown to be significantly related to their chain conformations. Atomistic simulation has been used as an effective method for studying polymer chain structures, but few simulations have focused on the effects of chain length and tacticity in the presence of monovalent salts. This paper investigated the microscopic conformation behaviors of poly(acrylic acid) (PAA) with different chain sizes, tacticities, and sodium chloride concentrations. The hydrogen behaviors and corresponding radial distribution functions were obtained. The results showed that the increase of salt concentrations led to the collapse of PAA chains, especially for longer chains. It was found that the effects of salt were mainly attributed to the shielding screening effect by sodium ions rather than the hydrogen bonding effect. Two different structures were formed by isotactic PAA and syndiotactic PAA, respectively, which were due to the deprotonation patterns along the PAA chain.},\n\tnumber = {50},\n\turldate = {2020-08-20},\n\tjournal = {Industrial \\&amp; Engineering Chemistry Research},\n\tauthor = {Yao, Guice and Zhao, Jin and Ramisetti, Srinivasa B. and Wen, Dongsheng},\n\tmonth = dec,\n\tyear = {2018},\n\tnote = {Publisher: American Chemical Society},\n\tpages = {17129--17141},\n}\n\n</pre>\n</div>\n\n\n<div class=\"well well-small bibbase\" data-type=\"abstract\"\n     style=\"display:none\">\n  Physical properties of polyelectrolytes have been shown to be significantly related to their chain conformations. Atomistic simulation has been used as an effective method for studying polymer chain structures, but few simulations have focused on the effects of chain length and tacticity in the presence of monovalent salts. This paper investigated the microscopic conformation behaviors of poly(acrylic acid) (PAA) with different chain sizes, tacticities, and sodium chloride concentrations. The hydrogen behaviors and corresponding radial distribution functions were obtained. The results showed that the increase of salt concentrations led to the collapse of PAA chains, especially for longer chains. It was found that the effects of salt were mainly attributed to the shielding screening effect by sodium ions rather than the hydrogen bonding effect. Two different structures were formed by isotactic PAA and syndiotactic PAA, respectively, which were due to the deprotonation patterns along the PAA chain.\n</div>\n\n\n</div>\n\n\n  <div class=\"bibbase_paper\" id=\"zhao-yao-ramisetti-hammond-wen-moleculardynamicssimulationofthesalinityeffectonthendecanewatervaporinterfacialequilibrium-2018\">\n  <span class=\"bibbase_paper_titleauthoryear\">\n\n  \n  <span class=\"bibbase_paper_title\">\n  \n  \n  \n  <a href=\"https://doi.org/10.1021/acs.energyfuels.8b00706\"\n     onclick=\"return trackOutboundLink('publications', 'click', 'zhao-yao-ramisetti-hammond-wen-moleculardynamicssimulationofthesalinityeffectonthendecanewatervaporinterfacialequilibrium-2018', 'https://doi.org/10.1021/acs.energyfuels.8b00706', event);\">\n    Molecular Dynamics Simulation of the Salinity Effect on the n-Decane/Water/Vapor Interfacial Equilibrium.\n  </a>\n  \n  \n  \n</span>\n\n  <span class=\"bibbase_paper_author\">\n  Zhao, J.; Yao, G.; <a class=\"bibbase author link\" href=\"https://ramisetti.github.io/publications/\">Ramisetti, S. B.</a>; Hammond, R. B.;  and Wen, D.\n</span>\n\n  \n\n</span>\n\n  <i>Energy & Fuels</i>, 32(11): 11080–11092. November 2018.\n  <span class=\"note\"></span>\n\n<span class=\"bibbase_note\"></span>\n\n<br class=\"bibbase_paper_content\"/>\n\n<span class=\"bibbase_paper_content dontprint\">\n\n  \n  <a href=\"https://doi.org/10.1021/acs.energyfuels.8b00706\"\n     onclick=\"log_download('zhao-yao-ramisetti-hammond-wen-moleculardynamicssimulationofthesalinityeffectonthendecanewatervaporinterfacialequilibrium-2018', 'https://doi.org/10.1021/acs.energyfuels.8b00706', event.ctrlKey, event)\">\n    <img src=\"//bibbase.org/img/filetypes/link.svg\"\n\t     alt=\"Molecular Dynamics Simulation of the Salinity Effect on the n-Decane/Water/Vapor Interfacial Equilibrium [link]\"\n       title=\"Paper\"\n\t     class=\"bibbase_icon\"\n         ><span class=\"bibbase_icon_text\">Paper</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"http://doi.org/10.1021/acs.energyfuels.8b00706\"\n     onclick=\"log_download('zhao-yao-ramisetti-hammond-wen-moleculardynamicssimulationofthesalinityeffectonthendecanewatervaporinterfacialequilibrium-2018', 'http://doi.org/10.1021/acs.energyfuels.8b00706', event.ctrlKey)\"\n     class=\"bibbase doi link\">\n    <span>doi</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"//bibbase.org/network/publication/zhao-yao-ramisetti-hammond-wen-moleculardynamicssimulationofthesalinityeffectonthendecanewatervaporinterfacialequilibrium-2018\"\n     class=\"bibbase bibbase_page link\">link</a>\n  &nbsp;\n  \n\n  <a href=\"#\"\n     onclick=\"showBib(event); return false;\"\n     class=\"bibbase bibtex link\">bibtex\n    <i class=\"fa fa-caret-down\"></i></a>\n\n  \n  &nbsp;\n  <a class=\"bibbase_abstract_link bibbase link\"\n     href=\"#\"\n     onclick=\"showAbstract(event); return false;\">\n    abstract <i class=\"fa fa-caret-down\"></i></a>\n  \n\n  \n\n  <!-- <a class=\"bibbase read link hidden\" -->\n  <!--    href=\"javascript:toggleRead('zhao-yao-ramisetti-hammond-wen-moleculardynamicssimulationofthesalinityeffectonthendecanewatervaporinterfacialequilibrium-2018')\" -->\n  <!--    title=\"Marking this paper as read adds it to your library on BibBase.\" -->\n  <!--    > -->\n  <!--   <i class=\"fa fa-check\"></i>&nbsp; -->\n  <!--   <span>mark as read</span> -->\n  <!-- </a> -->\n\n  &nbsp;\n  \n  \n\n</span>\n\n<div class=\"well well-small bibbase\" data-type=\"bibtex\"\n     style=\"display:none\">\n  <pre style=\"white-space: pre-wrap;\">@article{zhao_molecular_2018,\n\ttitle = {Molecular {Dynamics} {Simulation} of the {Salinity} {Effect} on the n-{Decane}/{Water}/{Vapor} {Interfacial} {Equilibrium}},\n\tvolume = {32},\n\tissn = {0887-0624},\n\turl = {https://doi.org/10.1021/acs.energyfuels.8b00706},\n\tdoi = {10.1021/acs.energyfuels.8b00706},\n\tabstract = {Low-salinity water flooding of formation water in rock cores is, potentially, a promising technique for enhanced oil recovery (EOR), but details of the underlying mechanisms remain unclear. The salinity effect on the interface between water and oil was investigated here using the molecular dynamics (MD) simulation method. n-Decane was selected as a representative oil component, and SPC/E water and all-atom optimized potentials for liquid simulations (OPLS-AA) force fields were used to describe the water/oil/ionic interactions for saltwater and n-decane molecules. Equilibrium MD simulations were first conducted to study the n-decane/vapor and saltwater/vapor interface systems at six different NaCl concentrations (0, 0.05, 0.10, 0.20, 0.50, and 1.00 M). The water/oil interface was then investigated by calculating bulk density distribution, radial distribution function, interface thickness, and water/oil interfacial tension (IFT). Sufficiently long MD simulations of water/n-decane/vapor were performed, followed by an analysis of the effect of salinity on the water/oil/vapor interface. The IFT values for the water/vacuum interface, n-decane/vacuum interface, and water/n-decane interface were obtained from the pressure tensor distribution after system equilibration, with values of 71.4, 20.5, and 65.3 mN/m, respectively, which agree well with experimental and numerical results reported in the literature. An optimal salinity of ∼0.20 M was identified corresponding to a maximum interfacial thickness between water and the oil phase, which results in a minimum water/oil IFT value and a maximum value for the oil/water contact angle, a condition beneficial for EOR.},\n\tnumber = {11},\n\turldate = {2018-12-04},\n\tjournal = {Energy \\&amp; Fuels},\n\tauthor = {Zhao, Jin and Yao, Guice and Ramisetti, Srinivasa B. and Hammond, Robert B. and Wen, Dongsheng},\n\tmonth = nov,\n\tyear = {2018},\n\tpages = {11080--11092},\n}\n\n</pre>\n</div>\n\n\n<div class=\"well well-small bibbase\" data-type=\"abstract\"\n     style=\"display:none\">\n  Low-salinity water flooding of formation water in rock cores is, potentially, a promising technique for enhanced oil recovery (EOR), but details of the underlying mechanisms remain unclear. The salinity effect on the interface between water and oil was investigated here using the molecular dynamics (MD) simulation method. n-Decane was selected as a representative oil component, and SPC/E water and all-atom optimized potentials for liquid simulations (OPLS-AA) force fields were used to describe the water/oil/ionic interactions for saltwater and n-decane molecules. Equilibrium MD simulations were first conducted to study the n-decane/vapor and saltwater/vapor interface systems at six different NaCl concentrations (0, 0.05, 0.10, 0.20, 0.50, and 1.00 M). The water/oil interface was then investigated by calculating bulk density distribution, radial distribution function, interface thickness, and water/oil interfacial tension (IFT). Sufficiently long MD simulations of water/n-decane/vapor were performed, followed by an analysis of the effect of salinity on the water/oil/vapor interface. The IFT values for the water/vacuum interface, n-decane/vacuum interface, and water/n-decane interface were obtained from the pressure tensor distribution after system equilibration, with values of 71.4, 20.5, and 65.3 mN/m, respectively, which agree well with experimental and numerical results reported in the literature. An optimal salinity of ∼0.20 M was identified corresponding to a maximum interfacial thickness between water and the oil phase, which results in a minimum water/oil IFT value and a maximum value for the oil/water contact angle, a condition beneficial for EOR.\n</div>\n\n\n</div>\n\n\n  <div class=\"bibbase_paper\" id=\"longshaw-borg-ramisetti-zhang-lockerby-emerson-reese-mdfoamadvancedmoleculardynamicsinopenfoam-2018\">\n  <span class=\"bibbase_paper_titleauthoryear\">\n\n  \n  <span class=\"bibbase_paper_title\">\n  \n  \n  \n  <a href=\"http://www.sciencedirect.com/science/article/pii/S0010465517303363\"\n     onclick=\"return trackOutboundLink('publications', 'click', 'longshaw-borg-ramisetti-zhang-lockerby-emerson-reese-mdfoamadvancedmoleculardynamicsinopenfoam-2018', 'http://www.sciencedirect.com/science/article/pii/S0010465517303363', event);\">\n    mdFoam+: Advanced molecular dynamics in OpenFOAM.\n  </a>\n  \n  \n  \n</span>\n\n  <span class=\"bibbase_paper_author\">\n  Longshaw, S. M.; Borg, M. K.; <a class=\"bibbase author link\" href=\"https://ramisetti.github.io/publications/\">Ramisetti, S. B.</a>; Zhang, J.; Lockerby, D. A.; Emerson, D. R.;  and Reese, J. M.\n</span>\n\n  \n\n</span>\n\n  <i>Computer Physics Communications</i>, 224: 1–21. March 2018.\n  <span class=\"note\"></span>\n\n<span class=\"bibbase_note\"></span>\n\n<br class=\"bibbase_paper_content\"/>\n\n<span class=\"bibbase_paper_content dontprint\">\n\n  \n  <a href=\"http://www.sciencedirect.com/science/article/pii/S0010465517303363\"\n     onclick=\"log_download('longshaw-borg-ramisetti-zhang-lockerby-emerson-reese-mdfoamadvancedmoleculardynamicsinopenfoam-2018', 'http://www.sciencedirect.com/science/article/pii/S0010465517303363', event.ctrlKey, event)\">\n    <img src=\"//bibbase.org/img/filetypes/link.svg\"\n\t     alt=\"mdFoam+: Advanced molecular dynamics in OpenFOAM [link]\"\n       title=\"Paper\"\n\t     class=\"bibbase_icon\"\n         ><span class=\"bibbase_icon_text\">Paper</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"http://doi.org/10.1016/j.cpc.2017.09.029\"\n     onclick=\"log_download('longshaw-borg-ramisetti-zhang-lockerby-emerson-reese-mdfoamadvancedmoleculardynamicsinopenfoam-2018', 'http://doi.org/10.1016/j.cpc.2017.09.029', event.ctrlKey)\"\n     class=\"bibbase doi link\">\n    <span>doi</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"//bibbase.org/network/publication/longshaw-borg-ramisetti-zhang-lockerby-emerson-reese-mdfoamadvancedmoleculardynamicsinopenfoam-2018\"\n     class=\"bibbase bibbase_page link\">link</a>\n  &nbsp;\n  \n\n  <a href=\"#\"\n     onclick=\"showBib(event); return false;\"\n     class=\"bibbase bibtex link\">bibtex\n    <i class=\"fa fa-caret-down\"></i></a>\n\n  \n  &nbsp;\n  <a class=\"bibbase_abstract_link bibbase link\"\n     href=\"#\"\n     onclick=\"showAbstract(event); return false;\">\n    abstract <i class=\"fa fa-caret-down\"></i></a>\n  \n\n  \n\n  <!-- <a class=\"bibbase read link hidden\" -->\n  <!--    href=\"javascript:toggleRead('longshaw-borg-ramisetti-zhang-lockerby-emerson-reese-mdfoamadvancedmoleculardynamicsinopenfoam-2018')\" -->\n  <!--    title=\"Marking this paper as read adds it to your library on BibBase.\" -->\n  <!--    > -->\n  <!--   <i class=\"fa fa-check\"></i>&nbsp; -->\n  <!--   <span>mark as read</span> -->\n  <!-- </a> -->\n\n  &nbsp;\n  \n  \n\n</span>\n\n<div class=\"well well-small bibbase\" data-type=\"bibtex\"\n     style=\"display:none\">\n  <pre style=\"white-space: pre-wrap;\">@article{longshaw_mdfoam+:_2018,\n\ttitle = {{mdFoam}+: {Advanced} molecular dynamics in {OpenFOAM}},\n\tvolume = {224},\n\tissn = {0010-4655},\n\tshorttitle = {{mdFoam}+},\n\turl = {http://www.sciencedirect.com/science/article/pii/S0010465517303363},\n\tdoi = {10.1016/j.cpc.2017.09.029},\n\tabstract = {This paper introduces mdFoam+, which is an MPI parallelised molecular dynamics (MD) solver implemented entirely within the OpenFOAM software framework. It is open-source and released under the same GNU General Public License (GPL) as OpenFOAM. The source code is released as a publicly open software repository that includes detailed documentation and tutorial cases. Since mdFoam+ is designed entirely within the OpenFOAM C++ object-oriented framework, it inherits a number of key features. The code is designed for extensibility and flexibility, so it is aimed first and foremost as an MD research tool, in which new models and test cases can be developed and tested rapidly. Implementing mdFoam+ in OpenFOAM also enables easier development of hybrid methods that couple MD with continuum-based solvers. Setting up MD cases follows the standard OpenFOAM format, as mdFoam+ also relies upon the OpenFOAM dictionary-based directory structure. This ensures that useful pre- and post-processing capabilities provided by OpenFOAM remain available even though the fully Lagrangian nature of an MD simulation is not typical of most OpenFOAM applications. Results show that mdFoam+ compares well to another well-known MD code (e.g. LAMMPS) in terms of benchmark problems, although it also has additional functionality that does not exist in other open-source MD codes.\nProgram summary\nProgram title: mdFoam+ Program Files doi: http://dx.doi.org/10.17632/7b4xkpx43b.1 Licensing provisions: GNU General Public License 3 (GPLv3) Programming language: C++ Nature of problem: mdFoam+ has been developed to help investigate complex fluid flow problems at the micro and nano scales using molecular dynamics (MD). It provides an easily extended, parallelised, molecular dynamics environment. Solution method: mdFoam+ implements a classical molecular dynamics solution using an explicit time-stepping regime and inter-molecular force-field types appropriate for studying fluid dynamics problems down to the nano-scale. References: All appropriate methodological references are contained in the section entitled References.},\n\turldate = {2018-04-25},\n\tjournal = {Computer Physics Communications},\n\tauthor = {Longshaw, S. M. and Borg, M. K. and Ramisetti, S. B. and Zhang, J. and Lockerby, D. A. and Emerson, D. R. and Reese, J. M.},\n\tmonth = mar,\n\tyear = {2018},\n\tpages = {1--21},\n}\n\n</pre>\n</div>\n\n\n<div class=\"well well-small bibbase\" data-type=\"abstract\"\n     style=\"display:none\">\n  This paper introduces mdFoam+, which is an MPI parallelised molecular dynamics (MD) solver implemented entirely within the OpenFOAM software framework. It is open-source and released under the same GNU General Public License (GPL) as OpenFOAM. The source code is released as a publicly open software repository that includes detailed documentation and tutorial cases. Since mdFoam+ is designed entirely within the OpenFOAM C++ object-oriented framework, it inherits a number of key features. The code is designed for extensibility and flexibility, so it is aimed first and foremost as an MD research tool, in which new models and test cases can be developed and tested rapidly. Implementing mdFoam+ in OpenFOAM also enables easier development of hybrid methods that couple MD with continuum-based solvers. Setting up MD cases follows the standard OpenFOAM format, as mdFoam+ also relies upon the OpenFOAM dictionary-based directory structure. This ensures that useful pre- and post-processing capabilities provided by OpenFOAM remain available even though the fully Lagrangian nature of an MD simulation is not typical of most OpenFOAM applications. Results show that mdFoam+ compares well to another well-known MD code (e.g. LAMMPS) in terms of benchmark problems, although it also has additional functionality that does not exist in other open-source MD codes. Program summary Program title: mdFoam+ Program Files doi: http://dx.doi.org/10.17632/7b4xkpx43b.1 Licensing provisions: GNU General Public License 3 (GPLv3) Programming language: C++ Nature of problem: mdFoam+ has been developed to help investigate complex fluid flow problems at the micro and nano scales using molecular dynamics (MD). It provides an easily extended, parallelised, molecular dynamics environment. Solution method: mdFoam+ implements a classical molecular dynamics solution using an explicit time-stepping regime and inter-molecular force-field types appropriate for studying fluid dynamics problems down to the nano-scale. References: All appropriate methodological references are contained in the section entitled References.\n</div>\n\n\n</div>\n\n\n\n\n\n    </div>\n  </div>\n\n  <div class=\"bibbase_group_whole\" id=\"group_2017\">\n    <div class=\"bibbase_group\"\n      onclick=\"toggleGroup('group_2017')\"\n      onkeypress=\"toggleGroup('group_2017')\"\n      tabindex=\"0\">\n      <i class=\"fa fa-angle-down bibbase_group_head_icon\"></i>&nbsp;\n      <span>2017</span>\n      <span class=\"bibbase_group_count\">\n        \n        (1)\n        \n      </span>\n    </div>\n    <div class=\"bibbase_group_body\">\n      \n  \n  <div class=\"bibbase_paper\" id=\"ramisetti-borg-lockerby-reese-liquidslipovergasnanofilms-2017\">\n  <span class=\"bibbase_paper_titleauthoryear\">\n\n  \n  <span class=\"bibbase_paper_title\">\n  \n  \n  \n  <a href=\"https://link.aps.org/doi/10.1103/PhysRevFluids.2.084003\"\n     onclick=\"return trackOutboundLink('publications', 'click', 'ramisetti-borg-lockerby-reese-liquidslipovergasnanofilms-2017', 'https://link.aps.org/doi/10.1103/PhysRevFluids.2.084003', event);\">\n    Liquid slip over gas nanofilms.\n  </a>\n  \n  \n  \n</span>\n\n  <span class=\"bibbase_paper_author\">\n  <a class=\"bibbase author link\" href=\"https://ramisetti.github.io/publications/\">Ramisetti, S. B.</a>; Borg, M. K.; Lockerby, D. A.;  and Reese, J. M.\n</span>\n\n  \n\n</span>\n\n  <i>Physical Review Fluids</i>, 2(8): 084003. August 2017.\n  <span class=\"note\"></span>\n\n<span class=\"bibbase_note\"></span>\n\n<br class=\"bibbase_paper_content\"/>\n\n<span class=\"bibbase_paper_content dontprint\">\n\n  \n  <a href=\"https://link.aps.org/doi/10.1103/PhysRevFluids.2.084003\"\n     onclick=\"log_download('ramisetti-borg-lockerby-reese-liquidslipovergasnanofilms-2017', 'https://link.aps.org/doi/10.1103/PhysRevFluids.2.084003', event.ctrlKey, event)\">\n    <img src=\"//bibbase.org/img/filetypes/link.svg\"\n\t     alt=\"Liquid slip over gas nanofilms [link]\"\n       title=\"Paper\"\n\t     class=\"bibbase_icon\"\n         ><span class=\"bibbase_icon_text\">Paper</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"http://doi.org/10.1103/PhysRevFluids.2.084003\"\n     onclick=\"log_download('ramisetti-borg-lockerby-reese-liquidslipovergasnanofilms-2017', 'http://doi.org/10.1103/PhysRevFluids.2.084003', event.ctrlKey)\"\n     class=\"bibbase doi link\">\n    <span>doi</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"//bibbase.org/network/publication/ramisetti-borg-lockerby-reese-liquidslipovergasnanofilms-2017\"\n     class=\"bibbase bibbase_page link\">link</a>\n  &nbsp;\n  \n\n  <a href=\"#\"\n     onclick=\"showBib(event); return false;\"\n     class=\"bibbase bibtex link\">bibtex\n    <i class=\"fa fa-caret-down\"></i></a>\n\n  \n  &nbsp;\n  <a class=\"bibbase_abstract_link bibbase link\"\n     href=\"#\"\n     onclick=\"showAbstract(event); return false;\">\n    abstract <i class=\"fa fa-caret-down\"></i></a>\n  \n\n  \n\n  <!-- <a class=\"bibbase read link hidden\" -->\n  <!--    href=\"javascript:toggleRead('ramisetti-borg-lockerby-reese-liquidslipovergasnanofilms-2017')\" -->\n  <!--    title=\"Marking this paper as read adds it to your library on BibBase.\" -->\n  <!--    > -->\n  <!--   <i class=\"fa fa-check\"></i>&nbsp; -->\n  <!--   <span>mark as read</span> -->\n  <!-- </a> -->\n\n  &nbsp;\n  \n  \n\n</span>\n\n<div class=\"well well-small bibbase\" data-type=\"bibtex\"\n     style=\"display:none\">\n  <pre style=\"white-space: pre-wrap;\">@article{ramisetti_liquid_2017,\n\ttitle = {Liquid slip over gas nanofilms},\n\tvolume = {2},\n\turl = {https://link.aps.org/doi/10.1103/PhysRevFluids.2.084003},\n\tdoi = {10.1103/PhysRevFluids.2.084003},\n\tabstract = {We propose the rarefied-gas-cushion model (r-GCM), as an extended version of the gas-cushion model (GCM), to estimate the apparent slip of water flowing over a gas layer trapped at a solid surface. Nanobubbles or gas nanofilms may manifest rarefied-gas effects and the r-GCM incorporates kinetic boundary conditions for the gas component in the slip Knudsen regime. These enable an apparent hydrodynamic slip length to be calculated given the gas thickness, the Knudsen number, and the bulk fluid viscosities. We assess the r-GCM through nonequilibrium molecular dynamics (NEMD) simulations of shear-driven liquid flow over an infinite gas nanofilm covering a solid surface, from the gas slip regime to the early transition regime, beyond which NEMD is computationally impractical. We find that, over the flow regimes examined, the r-GCM provides better predictions of the apparent liquid slip and retrieves both the GCM and the free-molecular behavior in the appropriate limits.},\n\tnumber = {8},\n\turldate = {2017-12-27},\n\tjournal = {Physical Review Fluids},\n\tauthor = {Ramisetti, Srinivasa B. and Borg, Matthew K. and Lockerby, Duncan A. and Reese, Jason M.},\n\tmonth = aug,\n\tyear = {2017},\n\tpages = {084003},\n}\n\n</pre>\n</div>\n\n\n<div class=\"well well-small bibbase\" data-type=\"abstract\"\n     style=\"display:none\">\n  We propose the rarefied-gas-cushion model (r-GCM), as an extended version of the gas-cushion model (GCM), to estimate the apparent slip of water flowing over a gas layer trapped at a solid surface. Nanobubbles or gas nanofilms may manifest rarefied-gas effects and the r-GCM incorporates kinetic boundary conditions for the gas component in the slip Knudsen regime. These enable an apparent hydrodynamic slip length to be calculated given the gas thickness, the Knudsen number, and the bulk fluid viscosities. We assess the r-GCM through nonequilibrium molecular dynamics (NEMD) simulations of shear-driven liquid flow over an infinite gas nanofilm covering a solid surface, from the gas slip regime to the early transition regime, beyond which NEMD is computationally impractical. We find that, over the flow regimes examined, the r-GCM provides better predictions of the apparent liquid slip and retrieves both the GCM and the free-molecular behavior in the appropriate limits.\n</div>\n\n\n</div>\n\n\n\n\n\n    </div>\n  </div>\n\n  <div class=\"bibbase_group_whole\" id=\"group_2015\">\n    <div class=\"bibbase_group\"\n      onclick=\"toggleGroup('group_2015')\"\n      onkeypress=\"toggleGroup('group_2015')\"\n      tabindex=\"0\">\n      <i class=\"fa fa-angle-down bibbase_group_head_icon\"></i>&nbsp;\n      <span>2015</span>\n      <span class=\"bibbase_group_count\">\n        \n        (1)\n        \n      </span>\n    </div>\n    <div class=\"bibbase_group_body\">\n      \n  \n  <div class=\"bibbase_paper\" id=\"ramisetti-anciaux-molinari-mdfemultiscalemodelingofcontact-2015\">\n  <span class=\"bibbase_paper_titleauthoryear\">\n\n  \n  <span class=\"bibbase_paper_title\">\n  \n  \n  \n  <a href=\"https://doi.org/10.1007/978-3-319-10560-4_14\"\n     onclick=\"return trackOutboundLink('publications', 'click', 'ramisetti-anciaux-molinari-mdfemultiscalemodelingofcontact-2015', 'https://doi.org/10.1007/978-3-319-10560-4_14', event);\">\n    MD/FE Multiscale Modeling of Contact.\n  </a>\n  \n  \n  \n</span>\n\n  <span class=\"bibbase_paper_author\">\n  <a class=\"bibbase author link\" href=\"https://ramisetti.github.io/publications/\">Ramisetti, S. B.</a>; Anciaux, G.;  and Molinari, J.\n</span>\n\n  \n\n</span>\n\n  In Gnecco, E.;  and Meyer, E., editor(s), <i>Fundamentals of Friction and Wear on the Nanoscale</i>, pages 289–312. Springer International Publishing,  2015.\n  <span class=\"note\"></span>\n\n<span class=\"bibbase_note\"></span>\n\n<br class=\"bibbase_paper_content\"/>\n\n<span class=\"bibbase_paper_content dontprint\">\n\n  \n  <a href=\"https://doi.org/10.1007/978-3-319-10560-4_14\"\n     onclick=\"log_download('ramisetti-anciaux-molinari-mdfemultiscalemodelingofcontact-2015', 'https://doi.org/10.1007/978-3-319-10560-4_14', event.ctrlKey, event)\">\n    <img src=\"//bibbase.org/img/filetypes/link.svg\"\n\t     alt=\"MD/FE Multiscale Modeling of Contact [link]\"\n       title=\"Paper\"\n\t     class=\"bibbase_icon\"\n         ><span class=\"bibbase_icon_text\">Paper</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"http://doi.org/10.1007/978-3-319-10560-4_14\"\n     onclick=\"log_download('ramisetti-anciaux-molinari-mdfemultiscalemodelingofcontact-2015', 'http://doi.org/10.1007/978-3-319-10560-4_14', event.ctrlKey)\"\n     class=\"bibbase doi link\">\n    <span>doi</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"//bibbase.org/network/publication/ramisetti-anciaux-molinari-mdfemultiscalemodelingofcontact-2015\"\n     class=\"bibbase bibbase_page link\">link</a>\n  &nbsp;\n  \n\n  <a href=\"#\"\n     onclick=\"showBib(event); return false;\"\n     class=\"bibbase bibtex link\">bibtex\n    <i class=\"fa fa-caret-down\"></i></a>\n\n  \n  &nbsp;\n  <a class=\"bibbase_abstract_link bibbase link\"\n     href=\"#\"\n     onclick=\"showAbstract(event); return false;\">\n    abstract <i class=\"fa fa-caret-down\"></i></a>\n  \n\n  \n\n  <!-- <a class=\"bibbase read link hidden\" -->\n  <!--    href=\"javascript:toggleRead('ramisetti-anciaux-molinari-mdfemultiscalemodelingofcontact-2015')\" -->\n  <!--    title=\"Marking this paper as read adds it to your library on BibBase.\" -->\n  <!--    > -->\n  <!--   <i class=\"fa fa-check\"></i>&nbsp; -->\n  <!--   <span>mark as read</span> -->\n  <!-- </a> -->\n\n  &nbsp;\n  \n  \n\n</span>\n\n<div class=\"well well-small bibbase\" data-type=\"bibtex\"\n     style=\"display:none\">\n  <pre style=\"white-space: pre-wrap;\">@incollection{ramisetti_md/fe_2015,\n\ttitle = {{MD}/{FE} {Multiscale} {Modeling} of {Contact}},\n\tisbn = {978-3-319-10560-4},\n\turl = {https://doi.org/10.1007/978-3-319-10560-4_14},\n\tabstract = {Limitations of single scale approaches to study the complex physics involved in friction have motivated the development of multiscale models. We review the state-of-the-art multiscale models that have been developed up to date. These have been successfully applied to a variety of physical problems, but that were limited, in most cases, to zero Kelvin studies. We illustrate some of the technical challenges involved with simulating a frictional sliding problem, which by nature generates a large amount of heat. These challenges can be overcome by a proper usage of spatial filters, which we combine to a direct finite-temperature multiscale approach coupling molecular dynamics with finite elements. The basic building block relies on the proper definition of a scale transfer operator using the least square minimization and spatial filtering. Then, the restitution force from the generalized Langevin equation is modified to perform a two-way thermal coupling between the two models. Numerical examples are shown to illustrate the proposed coupling formulation.},\n\tbooktitle = {Fundamentals of {Friction} and {Wear} on the {Nanoscale}},\n\tpublisher = {Springer International Publishing},\n\tauthor = {Ramisetti, Srinivasa Babu and Anciaux, Guillaume and Molinari, Jean-Francois},\n\teditor = {Gnecco, Enrico and Meyer, Ernst},\n\tyear = {2015},\n\tdoi = {10.1007/978-3-319-10560-4_14},\n\tpages = {289--312},\n}\n\n</pre>\n</div>\n\n\n<div class=\"well well-small bibbase\" data-type=\"abstract\"\n     style=\"display:none\">\n  Limitations of single scale approaches to study the complex physics involved in friction have motivated the development of multiscale models. We review the state-of-the-art multiscale models that have been developed up to date. These have been successfully applied to a variety of physical problems, but that were limited, in most cases, to zero Kelvin studies. We illustrate some of the technical challenges involved with simulating a frictional sliding problem, which by nature generates a large amount of heat. These challenges can be overcome by a proper usage of spatial filters, which we combine to a direct finite-temperature multiscale approach coupling molecular dynamics with finite elements. The basic building block relies on the proper definition of a scale transfer operator using the least square minimization and spatial filtering. Then, the restitution force from the generalized Langevin equation is modified to perform a two-way thermal coupling between the two models. Numerical examples are shown to illustrate the proposed coupling formulation.\n</div>\n\n\n</div>\n\n\n\n\n\n    </div>\n  </div>\n\n  <div class=\"bibbase_group_whole\" id=\"group_2014\">\n    <div class=\"bibbase_group\"\n      onclick=\"toggleGroup('group_2014')\"\n      onkeypress=\"toggleGroup('group_2014')\"\n      tabindex=\"0\">\n      <i class=\"fa fa-angle-down bibbase_group_head_icon\"></i>&nbsp;\n      <span>2014</span>\n      <span class=\"bibbase_group_count\">\n        \n        (1)\n        \n      </span>\n    </div>\n    <div class=\"bibbase_group_body\">\n      \n  \n  <div class=\"bibbase_paper\" id=\"ramisetti-anciaux-molinari-aconcurrentatomisticandcontinuumcouplingmethodwithapplicationstothermomechanicalproblems-2014\">\n  <span class=\"bibbase_paper_titleauthoryear\">\n\n  \n  <span class=\"bibbase_paper_title\">\n  \n  \n  \n  <a href=\"http://onlinelibrary.wiley.com/doi/10.1002/nme.4606/abstract\"\n     onclick=\"return trackOutboundLink('publications', 'click', 'ramisetti-anciaux-molinari-aconcurrentatomisticandcontinuumcouplingmethodwithapplicationstothermomechanicalproblems-2014', 'http://onlinelibrary.wiley.com/doi/10.1002/nme.4606/abstract', event);\">\n    A concurrent atomistic and continuum coupling method with applications to thermo-mechanical problems.\n  </a>\n  \n  \n  \n</span>\n\n  <span class=\"bibbase_paper_author\">\n  <a class=\"bibbase author link\" href=\"https://ramisetti.github.io/publications/\">Ramisetti, S. B.</a>; Anciaux, G.;  and Molinari, J. F.\n</span>\n\n  \n\n</span>\n\n  <i>International Journal for Numerical Methods in Engineering</i>, 97(10): 707–738. March 2014.\n  <span class=\"note\"></span>\n\n<span class=\"bibbase_note\"></span>\n\n<br class=\"bibbase_paper_content\"/>\n\n<span class=\"bibbase_paper_content dontprint\">\n\n  \n  <a href=\"http://onlinelibrary.wiley.com/doi/10.1002/nme.4606/abstract\"\n     onclick=\"log_download('ramisetti-anciaux-molinari-aconcurrentatomisticandcontinuumcouplingmethodwithapplicationstothermomechanicalproblems-2014', 'http://onlinelibrary.wiley.com/doi/10.1002/nme.4606/abstract', event.ctrlKey, event)\">\n    <img src=\"//bibbase.org/img/filetypes/link.svg\"\n\t     alt=\"A concurrent atomistic and continuum coupling method with applications to thermo-mechanical problems [link]\"\n       title=\"Paper\"\n\t     class=\"bibbase_icon\"\n         ><span class=\"bibbase_icon_text\">Paper</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"http://doi.org/10.1002/nme.4606\"\n     onclick=\"log_download('ramisetti-anciaux-molinari-aconcurrentatomisticandcontinuumcouplingmethodwithapplicationstothermomechanicalproblems-2014', 'http://doi.org/10.1002/nme.4606', event.ctrlKey)\"\n     class=\"bibbase doi link\">\n    <span>doi</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"//bibbase.org/network/publication/ramisetti-anciaux-molinari-aconcurrentatomisticandcontinuumcouplingmethodwithapplicationstothermomechanicalproblems-2014\"\n     class=\"bibbase bibbase_page link\">link</a>\n  &nbsp;\n  \n\n  <a href=\"#\"\n     onclick=\"showBib(event); return false;\"\n     class=\"bibbase bibtex link\">bibtex\n    <i class=\"fa fa-caret-down\"></i></a>\n\n  \n  &nbsp;\n  <a class=\"bibbase_abstract_link bibbase link\"\n     href=\"#\"\n     onclick=\"showAbstract(event); return false;\">\n    abstract <i class=\"fa fa-caret-down\"></i></a>\n  \n\n  \n\n  <!-- <a class=\"bibbase read link hidden\" -->\n  <!--    href=\"javascript:toggleRead('ramisetti-anciaux-molinari-aconcurrentatomisticandcontinuumcouplingmethodwithapplicationstothermomechanicalproblems-2014')\" -->\n  <!--    title=\"Marking this paper as read adds it to your library on BibBase.\" -->\n  <!--    > -->\n  <!--   <i class=\"fa fa-check\"></i>&nbsp; -->\n  <!--   <span>mark as read</span> -->\n  <!-- </a> -->\n\n  &nbsp;\n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n\n</span>\n\n<div class=\"well well-small bibbase\" data-type=\"bibtex\"\n     style=\"display:none\">\n  <pre style=\"white-space: pre-wrap;\">@article{ramisetti_concurrent_2014,\n\ttitle = {A concurrent atomistic and continuum coupling method with applications to thermo-mechanical problems},\n\tvolume = {97},\n\tissn = {1097-0207},\n\turl = {http://onlinelibrary.wiley.com/doi/10.1002/nme.4606/abstract},\n\tdoi = {10.1002/nme.4606},\n\tabstract = {We present a novel method to couple molecular dynamics with finite elements at finite temperatures using spatial filters. The mismatch in the dispersion relations between continuum and atomistic models leads, at finite temperature, to unwanted mesh vibrations, which are illustrated using a standard least square coupling formulation. We propose the use of spatial filters with the least square minimization to selectively damp the unwanted mesh vibrations. Then, we extend the idea of selective damping of wavelength modes to couple atomistic and continuum models at finite temperatures. The restitution force from the generalized Langevin equation is modified to perform a two-way thermal coupling between the two models. Three different numerical examples are shown to validate the proposed coupling formulation in two-dimensional space. Finally, the method is applied to a high-speed impact simulation. Copyright © 2013 John Wiley \\&amp; Sons, Ltd.},\n\tlanguage = {en},\n\tnumber = {10},\n\turldate = {2017-03-07},\n\tjournal = {International Journal for Numerical Methods in Engineering},\n\tauthor = {Ramisetti, S. B. and Anciaux, G. and Molinari, J. F.},\n\tmonth = mar,\n\tyear = {2014},\n\tkeywords = {Molecular dynamics, Multiscale methods, Spatial filters, generalized Langevin equation, heat conduction},\n\tpages = {707--738},\n}\n\n</pre>\n</div>\n\n\n<div class=\"well well-small bibbase\" data-type=\"abstract\"\n     style=\"display:none\">\n  We present a novel method to couple molecular dynamics with finite elements at finite temperatures using spatial filters. The mismatch in the dispersion relations between continuum and atomistic models leads, at finite temperature, to unwanted mesh vibrations, which are illustrated using a standard least square coupling formulation. We propose the use of spatial filters with the least square minimization to selectively damp the unwanted mesh vibrations. Then, we extend the idea of selective damping of wavelength modes to couple atomistic and continuum models at finite temperatures. The restitution force from the generalized Langevin equation is modified to perform a two-way thermal coupling between the two models. Three different numerical examples are shown to validate the proposed coupling formulation in two-dimensional space. Finally, the method is applied to a high-speed impact simulation. Copyright © 2013 John Wiley & Sons, Ltd.\n</div>\n\n\n</div>\n\n\n\n\n\n    </div>\n  </div>\n\n  <div class=\"bibbase_group_whole\" id=\"group_2013\">\n    <div class=\"bibbase_group\"\n      onclick=\"toggleGroup('group_2013')\"\n      onkeypress=\"toggleGroup('group_2013')\"\n      tabindex=\"0\">\n      <i class=\"fa fa-angle-down bibbase_group_head_icon\"></i>&nbsp;\n      <span>2013</span>\n      <span class=\"bibbase_group_count\">\n        \n        (2)\n        \n      </span>\n    </div>\n    <div class=\"bibbase_group_body\">\n      \n  \n  <div class=\"bibbase_paper\" id=\"ramisetti-multiscalemodelingofthermomechanicalcouplingbetweenatomisticandcontinuumdomains-2013\">\n  <span class=\"bibbase_paper_titleauthoryear\">\n\n  \n  <span class=\"bibbase_paper_title\">\n  \n  \n  \n  Multiscale Modeling of Thermo-Mechanical Coupling Between Atomistic and Continuum Domains.\n  \n  \n  \n</span>\n\n  <span class=\"bibbase_paper_author\">\n  <a class=\"bibbase author link\" href=\"https://ramisetti.github.io/publications/\">Ramisetti, S. B.</a>\n</span>\n\n  \n\n</span>\n\n  Ph.D. Thesis, ENAC, Lausanne,  2013.\n  <span class=\"note\"></span>\n\n<span class=\"bibbase_note\"></span>\n\n<br class=\"bibbase_paper_content\"/>\n\n<span class=\"bibbase_paper_content dontprint\">\n\n  \n\n  \n  <a href=\"http://doi.org/10.5075/epfl-thesis-6029\"\n     onclick=\"log_download('ramisetti-multiscalemodelingofthermomechanicalcouplingbetweenatomisticandcontinuumdomains-2013', 'http://doi.org/10.5075/epfl-thesis-6029', event.ctrlKey)\"\n     class=\"bibbase doi link\">\n    <span>doi</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"//bibbase.org/network/publication/ramisetti-multiscalemodelingofthermomechanicalcouplingbetweenatomisticandcontinuumdomains-2013\"\n     class=\"bibbase bibbase_page link\">link</a>\n  &nbsp;\n  \n\n  <a href=\"#\"\n     onclick=\"showBib(event); return false;\"\n     class=\"bibbase bibtex link\">bibtex\n    <i class=\"fa fa-caret-down\"></i></a>\n\n  \n\n  \n\n  <!-- <a class=\"bibbase read link hidden\" -->\n  <!--    href=\"javascript:toggleRead('ramisetti-multiscalemodelingofthermomechanicalcouplingbetweenatomisticandcontinuumdomains-2013')\" -->\n  <!--    title=\"Marking this paper as read adds it to your library on BibBase.\" -->\n  <!--    > -->\n  <!--   <i class=\"fa fa-check\"></i>&nbsp; -->\n  <!--   <span>mark as read</span> -->\n  <!-- </a> -->\n\n  &nbsp;\n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n\n</span>\n\n<div class=\"well well-small bibbase\" data-type=\"bibtex\"\n     style=\"display:none\">\n  <pre style=\"white-space: pre-wrap;\">@phdthesis{ramisetti_multiscale_2013,\n\taddress = {Lausanne},\n\ttitle = {Multiscale {Modeling} of {Thermo}-{Mechanical} {Coupling} {Between} {Atomistic} and {Continuum} {Domains}},\n\tlanguage = {eng},\n\tschool = {ENAC},\n\tauthor = {Ramisetti, Srinivasa Babu},\n\tyear = {2013},\n\tdoi = {10.5075/epfl-thesis-6029},\n\tkeywords = {Bridging Domain method, finite element method, friction, generalized Langevin equation, heat conduction, molecular dynamics, multiscale modeling, normal contact, spatial filters, spectral energy decomposition},\n}\n\n</pre>\n</div>\n\n\n\n</div>\n\n\n  <div class=\"bibbase_paper\" id=\"ramisetti-anciaux-molinari-spatialfiltersforbridgingmoleculardynamicswithfiniteelementsatfinitetemperatures-2013\">\n  <span class=\"bibbase_paper_titleauthoryear\">\n\n  \n  <span class=\"bibbase_paper_title\">\n  \n  \n  \n  <a href=\"http://www.sciencedirect.com/science/article/pii/S0045782512002903\"\n     onclick=\"return trackOutboundLink('publications', 'click', 'ramisetti-anciaux-molinari-spatialfiltersforbridgingmoleculardynamicswithfiniteelementsatfinitetemperatures-2013', 'http://www.sciencedirect.com/science/article/pii/S0045782512002903', event);\">\n    Spatial filters for bridging molecular dynamics with finite elements at finite temperatures.\n  </a>\n  \n  \n  \n</span>\n\n  <span class=\"bibbase_paper_author\">\n  <a class=\"bibbase author link\" href=\"https://ramisetti.github.io/publications/\">Ramisetti, S. B.</a>; Anciaux, G.;  and Molinari, J. F.\n</span>\n\n  \n\n</span>\n\n  <i>Computer Methods in Applied Mechanics and Engineering</i>, 253: 28–38. January 2013.\n  <span class=\"note\">00003</span>\n\n<span class=\"bibbase_note\"></span>\n\n<br class=\"bibbase_paper_content\"/>\n\n<span class=\"bibbase_paper_content dontprint\">\n\n  \n  <a href=\"http://www.sciencedirect.com/science/article/pii/S0045782512002903\"\n     onclick=\"log_download('ramisetti-anciaux-molinari-spatialfiltersforbridgingmoleculardynamicswithfiniteelementsatfinitetemperatures-2013', 'http://www.sciencedirect.com/science/article/pii/S0045782512002903', event.ctrlKey, event)\">\n    <img src=\"//bibbase.org/img/filetypes/link.svg\"\n\t     alt=\"Spatial filters for bridging molecular dynamics with finite elements at finite temperatures [link]\"\n       title=\"Paper\"\n\t     class=\"bibbase_icon\"\n         ><span class=\"bibbase_icon_text\">Paper</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"http://doi.org/10.1016/j.cma.2012.09.008\"\n     onclick=\"log_download('ramisetti-anciaux-molinari-spatialfiltersforbridgingmoleculardynamicswithfiniteelementsatfinitetemperatures-2013', 'http://doi.org/10.1016/j.cma.2012.09.008', event.ctrlKey)\"\n     class=\"bibbase doi link\">\n    <span>doi</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"//bibbase.org/network/publication/ramisetti-anciaux-molinari-spatialfiltersforbridgingmoleculardynamicswithfiniteelementsatfinitetemperatures-2013\"\n     class=\"bibbase bibbase_page link\">link</a>\n  &nbsp;\n  \n\n  <a href=\"#\"\n     onclick=\"showBib(event); return false;\"\n     class=\"bibbase bibtex link\">bibtex\n    <i class=\"fa fa-caret-down\"></i></a>\n\n  \n  &nbsp;\n  <a class=\"bibbase_abstract_link bibbase link\"\n     href=\"#\"\n     onclick=\"showAbstract(event); return false;\">\n    abstract <i class=\"fa fa-caret-down\"></i></a>\n  \n\n  \n\n  <!-- <a class=\"bibbase read link hidden\" -->\n  <!--    href=\"javascript:toggleRead('ramisetti-anciaux-molinari-spatialfiltersforbridgingmoleculardynamicswithfiniteelementsatfinitetemperatures-2013')\" -->\n  <!--    title=\"Marking this paper as read adds it to your library on BibBase.\" -->\n  <!--    > -->\n  <!--   <i class=\"fa fa-check\"></i>&nbsp; -->\n  <!--   <span>mark as read</span> -->\n  <!-- </a> -->\n\n  &nbsp;\n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n\n</span>\n\n<div class=\"well well-small bibbase\" data-type=\"bibtex\"\n     style=\"display:none\">\n  <pre style=\"white-space: pre-wrap;\">@article{ramisetti_spatial_2013,\n\ttitle = {Spatial filters for bridging molecular dynamics with finite elements at finite temperatures},\n\tvolume = {253},\n\tissn = {0045-7825},\n\turl = {http://www.sciencedirect.com/science/article/pii/S0045782512002903},\n\tdoi = {10.1016/j.cma.2012.09.008},\n\tabstract = {We present the application of digital filters to split the energy spectrum of an atomistic zone simulated with molecular dynamics into low and high energy components. After a brief background on digital filters, we describe the procedure used to select a cutoff frequency for the filters. Then, a one dimensional numerical model based on the generalized Langevin equation (GLE) is used to study the system dynamics. We tested both time and spatial filters for the frictional term in GLE. Our results demonstrate that spatial filters are better than time filters to perform a selective damping within a molecular dynamics zone. Two dimensional examples validating our approach are also presented. Spatial filters should thus be favored in finite-temperature direct-coupling methods between molecular dynamics and finite elements.},\n\turldate = {2013-04-02},\n\tjournal = {Computer Methods in Applied Mechanics and Engineering},\n\tauthor = {Ramisetti, S. B. and Anciaux, G. and Molinari, J. F.},\n\tmonth = jan,\n\tyear = {2013},\n\tnote = {00003},\n\tkeywords = {Molecular dynamics, Multiscale methods, Spatial filters, generalized Langevin equation},\n\tpages = {28--38},\n}\n\n</pre>\n</div>\n\n\n<div class=\"well well-small bibbase\" data-type=\"abstract\"\n     style=\"display:none\">\n  We present the application of digital filters to split the energy spectrum of an atomistic zone simulated with molecular dynamics into low and high energy components. After a brief background on digital filters, we describe the procedure used to select a cutoff frequency for the filters. Then, a one dimensional numerical model based on the generalized Langevin equation (GLE) is used to study the system dynamics. We tested both time and spatial filters for the frictional term in GLE. Our results demonstrate that spatial filters are better than time filters to perform a selective damping within a molecular dynamics zone. Two dimensional examples validating our approach are also presented. Spatial filters should thus be favored in finite-temperature direct-coupling methods between molecular dynamics and finite elements.\n</div>\n\n\n</div>\n\n\n\n\n\n    </div>\n  </div>\n\n  <div class=\"bibbase_group_whole\" id=\"group_2011\">\n    <div class=\"bibbase_group\"\n      onclick=\"toggleGroup('group_2011')\"\n      onkeypress=\"toggleGroup('group_2011')\"\n      tabindex=\"0\">\n      <i class=\"fa fa-angle-down bibbase_group_head_icon\"></i>&nbsp;\n      <span>2011</span>\n      <span class=\"bibbase_group_count\">\n        \n        (2)\n        \n      </span>\n    </div>\n    <div class=\"bibbase_group_body\">\n      \n  \n  <div class=\"bibbase_paper\" id=\"anciaux-ramisetti-molinari-afinitetemperaturebridgingdomainmethodformdfecouplingandapplicationtoacontactproblem-2011\">\n  <span class=\"bibbase_paper_titleauthoryear\">\n\n  \n  <span class=\"bibbase_paper_title\">\n  \n  \n  \n  <a href=\"http://sd.ddns.us/science/article/pii/S0045782511000132#s0030\"\n     onclick=\"return trackOutboundLink('publications', 'click', 'anciaux-ramisetti-molinari-afinitetemperaturebridgingdomainmethodformdfecouplingandapplicationtoacontactproblem-2011', 'http://sd.ddns.us/science/article/pii/S0045782511000132#s0030', event);\">\n    A finite temperature bridging domain method for MD-FE coupling and application to a contact problem.\n  </a>\n  \n  \n  \n</span>\n\n  <span class=\"bibbase_paper_author\">\n  Anciaux, G.; <a class=\"bibbase author link\" href=\"https://ramisetti.github.io/publications/\">Ramisetti, S. B.</a>;  and Molinari, J. F.\n</span>\n\n  \n\n</span>\n\n  <i>Computer Methods in Applied Mechanics and Engineering</i>, 205–208: 204–212. January 2011.\n  <span class=\"note\">00000</span>\n\n<span class=\"bibbase_note\"></span>\n\n<br class=\"bibbase_paper_content\"/>\n\n<span class=\"bibbase_paper_content dontprint\">\n\n  \n  <a href=\"http://sd.ddns.us/science/article/pii/S0045782511000132#s0030\"\n     onclick=\"log_download('anciaux-ramisetti-molinari-afinitetemperaturebridgingdomainmethodformdfecouplingandapplicationtoacontactproblem-2011', 'http://sd.ddns.us/science/article/pii/S0045782511000132#s0030', event.ctrlKey, event)\">\n    <img src=\"//bibbase.org/img/filetypes/link.svg\"\n\t     alt=\"A finite temperature bridging domain method for MD-FE coupling and application to a contact problem [link]\"\n       title=\"Paper\"\n\t     class=\"bibbase_icon\"\n         ><span class=\"bibbase_icon_text\">Paper</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"http://doi.org/10.1016/j.cma.2011.01.012\"\n     onclick=\"log_download('anciaux-ramisetti-molinari-afinitetemperaturebridgingdomainmethodformdfecouplingandapplicationtoacontactproblem-2011', 'http://doi.org/10.1016/j.cma.2011.01.012', event.ctrlKey)\"\n     class=\"bibbase doi link\">\n    <span>doi</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"//bibbase.org/network/publication/anciaux-ramisetti-molinari-afinitetemperaturebridgingdomainmethodformdfecouplingandapplicationtoacontactproblem-2011\"\n     class=\"bibbase bibbase_page link\">link</a>\n  &nbsp;\n  \n\n  <a href=\"#\"\n     onclick=\"showBib(event); return false;\"\n     class=\"bibbase bibtex link\">bibtex\n    <i class=\"fa fa-caret-down\"></i></a>\n\n  \n\n  \n\n  <!-- <a class=\"bibbase read link hidden\" -->\n  <!--    href=\"javascript:toggleRead('anciaux-ramisetti-molinari-afinitetemperaturebridgingdomainmethodformdfecouplingandapplicationtoacontactproblem-2011')\" -->\n  <!--    title=\"Marking this paper as read adds it to your library on BibBase.\" -->\n  <!--    > -->\n  <!--   <i class=\"fa fa-check\"></i>&nbsp; -->\n  <!--   <span>mark as read</span> -->\n  <!-- </a> -->\n\n  &nbsp;\n  \n  \n\n</span>\n\n<div class=\"well well-small bibbase\" data-type=\"bibtex\"\n     style=\"display:none\">\n  <pre style=\"white-space: pre-wrap;\">@article{anciaux_finite_2011,\n\ttitle = {A finite temperature bridging domain method for {MD}-{FE} coupling and application to a contact problem},\n\tvolume = {205–208},\n\tissn = {00457825},\n\turl = {http://sd.ddns.us/science/article/pii/S0045782511000132#s0030},\n\tdoi = {10.1016/j.cma.2011.01.012},\n\turldate = {2011-10-21},\n\tjournal = {Computer Methods in Applied Mechanics and Engineering},\n\tauthor = {Anciaux, G. and Ramisetti, S. B. and Molinari, J. F.},\n\tmonth = jan,\n\tyear = {2011},\n\tnote = {00000},\n\tpages = {204--212},\n}\n\n</pre>\n</div>\n\n\n\n</div>\n\n\n  <div class=\"bibbase_paper\" id=\"ramisetti-campa-anciaux-molinari-mser-robbins-theautocorrelationfunctionforislandareasonselfaffinesurfaces-2011\">\n  <span class=\"bibbase_paper_titleauthoryear\">\n\n  \n  <span class=\"bibbase_paper_title\">\n  \n  \n  \n  <a href=\"http://iopscience.iop.org/0953-8984/23/21/215004\"\n     onclick=\"return trackOutboundLink('publications', 'click', 'ramisetti-campa-anciaux-molinari-mser-robbins-theautocorrelationfunctionforislandareasonselfaffinesurfaces-2011', 'http://iopscience.iop.org/0953-8984/23/21/215004', event);\">\n    The autocorrelation function for island areas on self-affine surfaces.\n  </a>\n  \n  \n  \n</span>\n\n  <span class=\"bibbase_paper_author\">\n  <a class=\"bibbase author link\" href=\"https://ramisetti.github.io/publications/\">Ramisetti, S. B.</a>; Campañá, C.; Anciaux, G.; Molinari, J. F.; Müser, M. H.;  and Robbins, M. O.\n</span>\n\n  \n\n</span>\n\n  <i>Journal of Physics: Condensed Matter</i>, 23(21): 215004. June 2011.\n  <span class=\"note\"></span>\n\n<span class=\"bibbase_note\"></span>\n\n<br class=\"bibbase_paper_content\"/>\n\n<span class=\"bibbase_paper_content dontprint\">\n\n  \n  <a href=\"http://iopscience.iop.org/0953-8984/23/21/215004\"\n     onclick=\"log_download('ramisetti-campa-anciaux-molinari-mser-robbins-theautocorrelationfunctionforislandareasonselfaffinesurfaces-2011', 'http://iopscience.iop.org/0953-8984/23/21/215004', event.ctrlKey, event)\">\n    <img src=\"//bibbase.org/img/filetypes/link.svg\"\n\t     alt=\"The autocorrelation function for island areas on self-affine surfaces [link]\"\n       title=\"Paper\"\n\t     class=\"bibbase_icon\"\n         ><span class=\"bibbase_icon_text\">Paper</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"http://doi.org/10.1088/0953-8984/23/21/215004\"\n     onclick=\"log_download('ramisetti-campa-anciaux-molinari-mser-robbins-theautocorrelationfunctionforislandareasonselfaffinesurfaces-2011', 'http://doi.org/10.1088/0953-8984/23/21/215004', event.ctrlKey)\"\n     class=\"bibbase doi link\">\n    <span>doi</span></a>\n  &nbsp;\n  \n\n  \n  <a href=\"//bibbase.org/network/publication/ramisetti-campa-anciaux-molinari-mser-robbins-theautocorrelationfunctionforislandareasonselfaffinesurfaces-2011\"\n     class=\"bibbase bibbase_page link\">link</a>\n  &nbsp;\n  \n\n  <a href=\"#\"\n     onclick=\"showBib(event); return false;\"\n     class=\"bibbase bibtex link\">bibtex\n    <i class=\"fa fa-caret-down\"></i></a>\n\n  \n  &nbsp;\n  <a class=\"bibbase_abstract_link bibbase link\"\n     href=\"#\"\n     onclick=\"showAbstract(event); return false;\">\n    abstract <i class=\"fa fa-caret-down\"></i></a>\n  \n\n  \n\n  <!-- <a class=\"bibbase read link hidden\" -->\n  <!--    href=\"javascript:toggleRead('ramisetti-campa-anciaux-molinari-mser-robbins-theautocorrelationfunctionforislandareasonselfaffinesurfaces-2011')\" -->\n  <!--    title=\"Marking this paper as read adds it to your library on BibBase.\" -->\n  <!--    > -->\n  <!--   <i class=\"fa fa-check\"></i>&nbsp; -->\n  <!--   <span>mark as read</span> -->\n  <!-- </a> -->\n\n  &nbsp;\n  \n  \n\n</span>\n\n<div class=\"well well-small bibbase\" data-type=\"bibtex\"\n     style=\"display:none\">\n  <pre style=\"white-space: pre-wrap;\">@article{ramisetti_autocorrelation_2011,\n\ttitle = {The autocorrelation function for island areas on self-affine surfaces},\n\tvolume = {23},\n\tissn = {0953-8984},\n\turl = {http://iopscience.iop.org/0953-8984/23/21/215004},\n\tdoi = {10.1088/0953-8984/23/21/215004},\n\tabstract = {The spatial distribution of regions that lie above contours of constant height through a self-affine surface is studied as a function of the Hurst exponent H. If the surface represents a landscape, these regions correspond to islands. When the surface represents the height difference for contacting surfaces, the regions correspond to mechanical contacts in the common bearing area model. The autocorrelation function C(Δr) is defined as the probability that points separated by Δr are both within islands. The scaling of C has important implications for the stiffness and conductance of mechanical contacts. We find that its Fourier transform scales as a power of the wavevector magnitude q: with μ = 2 + H rather than the value μ = 2 + 2H reported previously. An analytic argument for μ = 2 + H is presented using the distribution of areas contained in disconnected islands.},\n\tlanguage = {en},\n\tnumber = {21},\n\turldate = {2013-06-11},\n\tjournal = {Journal of Physics: Condensed Matter},\n\tauthor = {Ramisetti, S. B. and Campañá, C. and Anciaux, G. and Molinari, J. F. and Müser, M. H. and Robbins, M. O.},\n\tmonth = jun,\n\tyear = {2011},\n\tpages = {215004},\n}\n</pre>\n</div>\n\n\n<div class=\"well well-small bibbase\" data-type=\"abstract\"\n     style=\"display:none\">\n  The spatial distribution of regions that lie above contours of constant height through a self-affine surface is studied as a function of the Hurst exponent H. If the surface represents a landscape, these regions correspond to islands. When the surface represents the height difference for contacting surfaces, the regions correspond to mechanical contacts in the common bearing area model. The autocorrelation function C(Δr) is defined as the probability that points separated by Δr are both within islands. The scaling of C has important implications for the stiffness and conductance of mechanical contacts. We find that its Fourier transform scales as a power of the wavevector magnitude q: with μ = 2 + H rather than the value μ = 2 + 2H reported previously. An analytic argument for μ = 2 + H is presented using the distribution of areas contained in disconnected islands.\n</div>\n\n\n</div>\n\n\n\n\n\n    </div>\n  </div>\n\n\n\n\n  </div>\n\n\n  <!-- Modal -->\n\n  <!-- <iframe id=\"bibbase_network_frame\" -->\n  <!--         src=\"//bibbase.org/network/control\" -->\n  <!--         style=\"display: none;\"> -->\n  <!-- </iframe> -->\n\n</div>\n"}; document.write(bibbase_data.data);