Abstract
We consider a vibro-impact problem i.e. a mechanical system with a finite number of degrees of freedom, subject to perfect unilateral constraints. We assume that the transmission of velocities at impacts is described by a Newton's law with a restitution coefficient e∈[0,1]. Motivated by the computation of approximate solutions, we study the dependence of the solutions on data. For a large class of problems (single or multi-constrained systems, weak regularity of data), we obtain a criterion, involving the geometry of the constraints at impacts, which ensures continuity with respect to the data. To cite this article: L. Paoli, C. R. Acad. Sci. Paris, Ser. I 339 (2004).
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