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

Abstract : 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.
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https://hal.archives-ouvertes.fr/hal-01007298
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Submitted on : Thursday, November 18, 2021 - 3:23:29 PM
Last modification on : Wednesday, January 19, 2022 - 3:48:06 PM

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Ludovic Noels, Laurent Stainier, Jean-Philippe Ponthot. Simulation of crashworthiness problems with improved contact algorithms for implicit time integration. International Journal of Impact Engineering, Elsevier, 2006, 32 (5), pp.799-825. ⟨10.1016/j.ijimpeng.2005.04.010⟩. ⟨hal-01007298⟩

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