Topic
Representative elementary volume
About: Representative elementary volume is a research topic. Over the lifetime, 4105 publications have been published within this topic receiving 86863 citations.
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TL;DR: In this paper, the thermal conductivities of 3D braided composites along in-plane and out-of-plane directions were characterized and analyzed by multi-scale finite element analyses (FEA) and also validated by experimental.
48 citations
TL;DR: In this paper, a coupled two-scale shell model is presented and a variational formulation and associated linearization for the coupled global-local boundary value problem is derived for small strain problems, various numerical solutions are computed within the FE 2 method.
Abstract: SUMMARY
In this paper a coupled two-scale shell model is presented A variational formulation and associated linearization for the coupled global–local boundary value problem is derived For small strain problems, various numerical solutions are computed within the so-called FE 2 method The discretization of the shell is performed with quadrilaterals, whereas the local boundary value problems at the integration points of the shell are discretized using 8-noded or 27-noded brick elements or so-called solid shell elements At the bottom and top surface of the representative volume element stress boundary conditions are applied, whereas at the lateral surfaces the in-plane displacements are prescribed For the out-of-plane displacements link conditions are applied The coupled nonlinear boundary value problems are simultaneously solved within a Newton iteration scheme With an important test, the correct material matrix for the stress resultants assuming linear elasticity and a homogeneous continuum is verifiedCopyright © 2013 John Wiley & Sons, Ltd
48 citations
TL;DR: In this article, anisotropy and RVE for the effective thermal conductivity of open-cell metal foams are numerically analyzed using computed tomography (CT) data.
48 citations
TL;DR: In this article, the overall mechanical response as well as strain and stress field statistics of an heterogeneous material made of two randomly distributed, linear elastic phases, are investigated numerically.
48 citations
TL;DR: In this paper, a multi-scale approach for simulating the mechanical performance of non-crimp fabric (NCF) composite structural parts is presented based upon the use of representative volume elements (RVEs) fully characterized using homogenized progressive failure analysis.
48 citations