A parallel and multiscale strategy for the parametric study of transient dynamic problems with friction

Abstract : The objective of this work is to develop an efficient strategy for the parametric study of dynamic problems involving contacts with friction. Our approach is based on the multiscale LATIN method with domain decomposition. This is a mixed method which deals with the forces and velocities at the interfaces between the different subdomains simultaneously. We propose to take advantage of the capability of the multiscale LATIN method, called the multiparametric strategy, to reuse the solution of a given problem in order to solve similar problems. This strategy has already been applied successfully to a variety of static problems; here, it is extended to dynamics. First, we present the multiscale strategy in dynamics. Then, we show how the multiparametric strategy can be extended to dynamics. We illustrate the capabilities of the method through an academic 3D example and the simulation of a bolted joint.
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Pierre-Alain Boucard, David Odièvre, Fabrice Gatuingt. A parallel and multiscale strategy for the parametric study of transient dynamic problems with friction. International Journal for Numerical Methods in Engineering, Wiley, 2011, 88, pp.657-672. ⟨10.1002/nme.3194⟩. ⟨hal-00994263⟩

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