@article{castro_es-pim_2018,
	title = {{ES}-{PIM} applied to {Buckling} of {Variable} {Angle} {Tow} {Laminates}},
	issn = {02638223},
	url = {https://linkinghub.elsevier.com/retrieve/pii/S0263822318322979},
	doi = {10.1016/j.compstruct.2018.10.058},
	abstract = {The increasing need for automatic mesh generation has led to the development of efficient triangulation algorithms that are able to discretize any 2D or 3D domain. Modern finite element formulations based on strain smoothing techniques (SFEM) provide enhanced convergence properties, preventing yet the stiffening behavior of triangular meshes. Recent research has shown that meshless methods based on triangular mapping of the integration domain can be used to produce even better convergence properties than SFEM. The present study will explore the Edge-based Smoothed Point Interpolation Method (ES-PIM) as a meshless solution to investigate linear buckling on variable angle tow (VAT) laminates. Such advanced composite structures show a heterogeneous distribution of constitutive properties and thickness, presenting additional challenges to the numerical solution. Important aspects related to the transverse shear correction herein adopted are investigated, leading to interesting conclusions regarding the possibility to use the ES-PIM for conservative estimates of the critical buckling load of VAT laminates.},
	language = {en},
	urldate = {2018-10-31},
	journal = {Composite Structures},
	author = {Castro, Saullo G.P. and Donadon, Maurício V. and Guimarães, Thiago A.M.},
	month = oct,
	year = {2018},
	keywords = {buckling, composites, finite element method, mentions sympy},
}

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