A convergence result for a vibro-impact problem with a general inertia operator. (English) Zbl 1183.70059
Summary: We consider a mechanical system with a finite number of degrees of freedom and non-trivial inertia matrix, submitted to a single perfect unilateral constraint. We assume that the local impact law consists in the transmission of the tangential component of the velocity and the reflexion of the normal component which is multiplied by the restitution coefficient \(e\in [0,1]\). Then, starting from the measure-differential formulation of the problem given by J.J. Moreau, we propose a velocity-based time-stepping method, reminiscent of the catching-up algorithm for sweeping processes and we prove that the numerical solutions converge to a solution of the problem.
Keywords:
vibro-impact dynamics; measure differential inclusion; restitution coefficient; sweeping processReferences:
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