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International Journal for Multiscale Computational Engineering
IF: 1.016 5-Year IF: 1.194 SJR: 0.554 SNIP: 0.82 CiteScore™: 2

ISSN Print: 1543-1649
ISSN Online: 1940-4352

International Journal for Multiscale Computational Engineering

DOI: 10.1615/IntJMultCompEng.v1.i4.70
12 pages

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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