Abstract

We describe the collision of a point with a fixed plane and the simultaneous collisions of a collection of rigid bodies following the theory of collisions by M. Frémond. We then give some existence and uniqueness results for simultaneous collisions of a collection of rigid bodies, and we show some numerical simulations of the evolutions of collections of solids during which such collisions happen. We also modelize instantaneous collisions of deformable bodies. Then, considering the impact of a hammer with a deformable bar, we show the agreement between measurements and our modeling.

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