Un algorithme efficace pour les problèmes d’impact avec frottement
Keywords:
impact, energy dissipation, bipotential method, time-integrationAbstract
The bipotential method has been successfully applied for the modelling of frictional contact problems in static cases. This paper presents the application of this method for dynamic analysis of impact problems with friction. Instead of second order algorithms, a first order algorithm is applied for the numerical integration of the time-discretized equation of motion. The numerical results prove that the algorithm preserves quasi perfectly the principle of energy conservation without any regularization. In addition, it is possible to quantify the physical energy dissipation introduced by frictional effects between the solids in contact.
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