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A methodology for large scale finite element models, including multi-physic, multi-domain and multi-timestep aspects

Menanteau, Laurent and Pantalé, Olivier and Caperaa, Serge A methodology for large scale finite element models, including multi-physic, multi-domain and multi-timestep aspects. (2006) Revue européenne de mécanique numérique, vol. 15 (n° 7-8). pp. 799-824. ISSN 1779-7179

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Official URL: http://dx.doi.org/10.3166/remn.15.799-824

Abstract

This works concerns the development of a virtual prototyping tool dedicated to electro-thermo-mechanical simulation of power converters. The FEM code, written using an object-oriented language, includes a dual Schur Domain Decomposition Method. The solving of problems including floating subdomains can be performed in steady-state cases, whereas one can couple multi-timestep implicit and explicit integration schemes in transient analysis. The last part of this work is about the study of an industrial benchmark concerning the power converters used in railway transport: the electro-thermal simulation of a switch in transient analysis. This example allows to compare different strategies of tearing into subdomains and the use of different timesteps on the same structure.

Item Type:Article
Additional Information:Thanks to Hermes sciences publications. This article is available at http://dx.doi.org/10.3166/remn.15.799-824
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
Other partners > ALSTOM Transport (FRANCE)
Laboratory name:
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Deposited By:Olivier Pantalé

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