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Schéma d’intégration adapté aux problèmes d’impact

Abstract : In many problems of solid mechanics, taking into account the frictional contact plays an important role. Good prediction of the results of contact with friction becomes then a prevailing element for the industry. In this work, an extension of the bi-potential method, proposed by De Saxcé & Feng, is presented for the modeling of impact problems involving several deformable bodies. To this purpose, we choose a first order time integrator which avoids to take account for the acceleration which is undefined at the impact instant. The model so developed combines the bi-potential method to solve contact problems and a first order scheme for the time integration. The numerical application illustrate clearly the validity and efficiency of the method.
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Benoit Magnain, Zhi-Qiang Feng, Jean-Michel Cros. Schéma d’intégration adapté aux problèmes d’impact. 8e Colloque national en calcul des structures, CSMA, May 2007, Giens, France. ⟨hal-01508997⟩

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