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Journal Articles Composite Structures Year : 2011

A layerwise finite element for multilayers with imperfect interfaces

Abstract

This article is aimed at proposing a new development of a layer-wise 2D finite-element method for multilayers considering the laminated plate as a superposition of Reissner plates coupled by interfacial stresses. Here, despite the 2D description of the laminates, the interfaces show a particular behavior, elastic or elastoplastic (Von-Mises criterion). The finite element formulation is derived and an eight-node multiparticle element is detailed. The application example of a double lap joint with an elastoplastic adhesive is then considered. The adhesive layer is modeled as an interface. The loading scheme is a load-unload-load one. Interface shear and normal stresses are compared to 3D finite element results. A good agreement between both techniques is observed, particularly for the prediction of the history of the slip between the two adherends and the plastic strains in the adhesive.
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Dates and versions

hal-00639548 , version 1 (16-03-2018)

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van Anh Duong, Alberto Diaz Diaz, Sylvain Chataigner, Jean-François Caron. A layerwise finite element for multilayers with imperfect interfaces. Composite Structures, 2011, 93 (12), pp.3262-3271. ⟨10.1016/j.compstruct.2011.05.001⟩. ⟨hal-00639548⟩
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