Integrated Aerothermoelastic Analysis Framework with Application to Skin Panels. Huang, D., Rokita, T., & Friedmann, P. P. AIAA Journal, 56(11):4562–4581, 2018. Publisher: American Institute of Aeronautics and Astronautics _eprint: https://doi.org/10.2514/1.J056677doi abstract bibtex This study describes the development of an integrated aerothermoelastic computational framework. The framework consists of a Navier–Stokes aerodynamic solver based on an Automatic Differentiation flow solver code; a finite element structural solver for moderate deflection of a composite, doubly curved, shallow shell with thermal stress; and a finite element thermal solver for heat transfer in composite shallow shells with nonlinear material properties. The solvers are loosely coupled using a partitioned scheme. An analytical approach is developed to determine the time accuracy and the so-called energy accuracy of a loosely coupled scheme, which serves as a guide for designing schemes having a high convergence rate. The aeroelastic and aerothermoelastic behaviors of two-dimensional and three-dimensional panels are investigated using the computational framework. The effects of the aspect ratio and boundary-layer thickness are found to have significant influence on the critical flutter parameter and the onset time of aerothermoelastic instability.
@article{huang2018,
title = {Integrated {Aerothermoelastic} {Analysis} {Framework} with {Application} to {Skin} {Panels}},
volume = {56},
doi = {10.2514/1.J056677},
abstract = {This study describes the development of an integrated aerothermoelastic computational framework. The framework consists of a Navier–Stokes aerodynamic solver based on an Automatic Differentiation flow solver code; a finite element structural solver for moderate deflection of a composite, doubly curved, shallow shell with thermal stress; and a finite element thermal solver for heat transfer in composite shallow shells with nonlinear material properties. The solvers are loosely coupled using a partitioned scheme. An analytical approach is developed to determine the time accuracy and the so-called energy accuracy of a loosely coupled scheme, which serves as a guide for designing schemes having a high convergence rate. The aeroelastic and aerothermoelastic behaviors of two-dimensional and three-dimensional panels are investigated using the computational framework. The effects of the aspect ratio and boundary-layer thickness are found to have significant influence on the critical flutter parameter and the onset time of aerothermoelastic instability.},
number = {11},
urldate = {2024-06-17},
journal = {AIAA Journal},
author = {Huang, Daning and Rokita, Tomer and Friedmann, Peretz P.},
year = {2018},
note = {Publisher: American Institute of Aeronautics and Astronautics
\_eprint: https://doi.org/10.2514/1.J056677},
pages = {4562--4581},
}
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