Simulation of crashworthiness problems with improved contact algorithms for implicit time integration

[en] When studying crashworthiness problems, contact simulation can be the source of a number of problems. A first one is the discontinuities in the normal evolution for a boundary discretized by finite elements. Another problem is the treatment of the contact forces that can introduce numerical energy in the system. In this paper, we propose to combine a method of discontinuity smoothing with the energy-momentum consistent scheme that recently appeared in the literature. (c) 2005 Elsevier Ltd. All rights reserved.

Disciplines :

Mechanical engineering

Author, co-author :

Noels, Ludovic ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS - Milieux continus et thermomécanique

Stainier, Laurent ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS - Milieux continus et thermomécanique

Ponthot, Jean-Philippe ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS-Mécanique numérique non linéaire

Language :

English

Title :

Simulation of crashworthiness problems with improved contact algorithms for implicit time integration

Publication date :

2006

Journal title :

International Journal of Impact Engineering

ISSN :

0734-743X

Publisher :

Pergamon-Elsevier Science Ltd, Oxford, United Kingdom

Special issue title :

International Symposium on the Crashworthiness of Light-weight Automotive Structures

Volume :

Issue :

Pages :

799-825

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

http://dx.doi.org/10.1016/j.ijimpeng.2005.04.010

Funders :

F.R.S.-FNRS - Fonds de la Recherche Scientifique

Available on ORBi :

since 03 July 2008

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Bibliography

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