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1 LMGC - Laboratoire de Mécanique et Génie Civil 2 LAMSID - UMR 8193 - Laboratoire de Mécanique des Structures Industrielles Durables 3 LaMCoS - Laboratoire de Mécanique des Contacts et des Structures Villeurbanne 4 Remics - Réseaux, Moyens Informatiques, Calcul Scientifique LMGC - Laboratoire de Mécanique et Génie Civil 5 M3 - Modélisation Mathématique en Mécanique LMGC - Laboratoire de Mécanique et Génie Civil : UMR 5508

Abstract : Numerical simulations of the dynamics of discrete structures in presence of numerous impacts with frictional contacts leads to CPU-intensive large time computations. To deal with these problems, numerical tools have been developed, such as the nonsmooth contact domain decomposition NSCDD. We present further a distributed version of its algorithm with parallel detection of fine contacts and discuss two possible communication schemes to solve the interface problem. Those improvements allow to study scalability and numerical performances of the method for 2D and 3D granular media.





Autor: Vincent Visseq - Alexandre Martin - David Dureisseix - Frédéric Dubois - Pierre Alart -

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



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