Phys. Rev. E 69, 037601 (2004) [3 pages]Pulse velocity in a granular chainReceived 2 September 2003; published 31 March 2004 We discuss the applicability of two very different analytic approaches to the study of pulse propagation in a chain of particles interacting via a Hertz potential, namely, a continuum model and a binary collision approximation. While both methods capture some qualitative features equally well, the first is quantitatively good for softer potentials and the latter is better for harder potentials. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevE.69.037601
DOI:
10.1103/PhysRevE.69.037601
PACS:
05.45.-a, 45.70.-n, 45.05.+x
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