Finite element modeling of surface morphological instabilities of filmsubstrate systemsReport as inadecuate




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1 LEM3 - Laboratoire d-Etude des Microstructures et de Mécanique des Matériaux 2 CRP Henri-Tudor - Centre de Recherche Public Henri-Tudor Luxembourg 3 Luxembourg Institute of Science and Technology LIST

Abstract : We propose a numerical framework to study surface wrinkling of stiff thin films on soft substrates: from 2D to 3D modeling, from classical to multi-scale perspective. The main objective is to apply advanced numerical methods path-following techniques, bifurcation indicators, bridging techniques, multi-scale analyses, etc. for multiple-bifurcation analyses of film-substrate buckling problems. Through incorporating these numerical methods with FEM, it can predict the occurrence and post-bifurcation evolution of wrinkling patterns in various boundary and loading conditions as well as complex geometries.

Keywords : Wrinkling Post-buckling Bifurcation Thin film Path-following perturbation technique





Author: Fan Xu - Michel Potier-Ferry - Salim Belouettar - Yao Koutsawa - Pascal Ventura -

Source: https://hal.archives-ouvertes.fr/



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