Article Dans Une Revue Composite Structures Année : 2019

Fast and accurate elastic analysis of laminated composite plates via isogeometric collocation and an equilibrium-based stress recovery approach

Résumé

A novel approach which combines isogeometric collocation and an equilibrium based stress recovery technique is applied to analyze laminated composite plates. Isogeometric collocation is an appealing strong form alternative to standard Galerkin approaches, able to achieve high order convergence rates coupled with a significantly reduced computational cost. Laminated composite plates are herein conveniently modeled considering only one element through the thickness with homogenized material properties. This guarantees accurate results in terms of displacements and in-plane stress components.To recover an accurate out-of-plane stress state, equilibrium is imposed in strong form as a post-processing correction step, which requires the shape functions to be highly continuous. This continuity demand is fully granted

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hal-05029000 , version 1 (10-04-2025)

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Alessia Patton, John-Eric Dufour, Pablo Antolin, Alessandro Reali. Fast and accurate elastic analysis of laminated composite plates via isogeometric collocation and an equilibrium-based stress recovery approach. Composite Structures, 2019, 225, pp.111026. ⟨10.1016/j.compstruct.2019.111026⟩. ⟨hal-05029000⟩
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