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ISSN: 1543-1649 Print
ISSN: 1940-4352 Online
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DOI: 10.1615/IntJMultCompEng.v1.i4
Pages: 144
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DOI: 10.1615/IntJMultCompEng.v1.i4.70
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Article price - $35.00 |
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Parallel Computational Strategies for Multicontact Problems: Applications to Cellular and Granular Media
Pierre Alart
Laboratoire de Mecanique et Genie Civil, Equipe Systemes Multi-Contacts, UMR 5508, Universite Montpellier 2 -CNRS, cc048, Place Eugene Bataillon, 34095 Montpellier Cedex 05, France
Michael Barboteu
Laboratoire de Theorie des Systemes, Universite de Perpignan, 52 Av. de Villeneuve, 66860 Perpignan, France
Mathieu Renouf
Laboratoire de Mecanique et Genie Civil, Equipe Systemes Multi-Contacts, UMR 5508, Universite Montpellier 2 -CNRS, cc048, Place Eugene Bataillon, 34095 Montpellier Cedex 05, France
ABSTRACT
In this article, we compare strategies for introducing parallelism in solving multicontact problems. Two typical problems are distinguished, to emphasize both common and different features, in terms of mechanical modeling, mathematical formulation, and numerical solutions. These two parallel computational approaches are tested on two applications: cellular and granular media. It shows that two different problems using similar equations may lead to the adoption of two very different strategies in order to be efficient: either a sophisticated approach based on a domain decomposition method, or a multithreading procedure that is easy to carry out. The challenges in these research fields reveal the potential of parallel computing.
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