Article (Scientific journals)
Simulation of crashworthiness problems with improved contact algorithms for implicit time integration
Noels, Ludovic; Stainier, Laurent; Ponthot, Jean-Philippe
2006In International Journal of Impact Engineering, 32 (5), p. 799-825
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Keywords :
energy conserving; momentum conserving; dynamics; contact; finite-elements method
Abstract :
[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 :
32
Issue :
5
Pages :
799-825
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
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