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Updated: Aug 17, 2026

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Published on: December 4, 2017
How hertzian solitary waves interact with boundaries in a 1D granular medium
Stéphane Job1, Francisco Melo, Adam Sokolow
1Departamento de Física, Universidad de Santiago de Chile, and Center for Advanced Interdisciplinary Research in Materials (CIMAT), Av. Ecuador 3493, Casilla 307, Correo 2, Santiago de Chile. stephane.job@supmeca.fr
Abstract:
We perform measurements, numerical simulations, and quantitative comparisons with available theory on solitary wave propagation in a linear chain of beads without static preconstraint. By designing a nonintrusive force sensor to measure the impulse as it propagates along the chain, we study the solitary wave reflection at a wall. We show that the main features of solitary wave reflection depend on wall mechanical properties. Since previous studies on solitary waves have been performed at walls without these considerations, our experiment provides a more reliable tool to characterize solitary wave propagation. We find, for the first time, precise quantitative agreements.
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