Numerical validation of an Homogenized Interface Model

Abstract : The aim of this paper is to numerically validate the effectiveness of a matched asymptotic expansion formal method introduced in a pioneering paper by Nguetseng and Sànchez Palencia [1] and extended in [2], [3]. Using this method a simplified model for the influence of small identical heterogeneities periodically distributed on an internal surface to the overall response of a linearly elastic body is derived. In order to validate this formal method a careful numerical study compares the solution obtained by a standard method on a fine mesh to the one obtained by asymptotic expansion. We compute both the zero and the first order terms in the expansion. To efficiently compute the first order term we introduce a suitable domain decomposition method.
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Submitted on : Tuesday, December 3, 2013 - 2:37:26 PM
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Giuseppe Geymonat, Sofiane Hendili, Françoise Krasucki, Marina Vidrascu. Numerical validation of an Homogenized Interface Model. Computer Methods in Applied Mechanics and Engineering, Elsevier, 2014, 269, pp.356-380. ⟨10.1016/j.cma.2013.11.009⟩. ⟨hal-00839616v2⟩

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