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Pressure wave propagation in a granular bed

Hostler, Stephen R. and Brennen, Christopher E. (2005) Pressure wave propagation in a granular bed. Physical Review E, 72 (3). Art. no. 031303. ISSN 1539-3755. doi:10.1103/PhysRevE.72.031303.

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The transmission of pressure waves in granular materials is complicated by the heterogeneity and nonlinearity inherent in these systems. Such waves are propagated through particle contacts primarily along the "force chains" which carry most of the load in granular materials. These fragile and ephemeral chains coupled with irregular particle packing lead to the observed heterogeneity. Nonlinearity in these systems is largely the result of the force-deformation characteristic at particle contacts. Through experiments and simulations, we study the effects of heterogeneity and nonlinearity on the properties of pressure waves through a granular bed.

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Additional Information:©2005 The American Physical Society (Received 28 February 2005; revised 13 July 2005; published 21 September 2005)
Subject Keywords:granular materials; elastic waves; wave propagation; deformation
Issue or Number:3
Record Number:CaltechAUTHORS:HOSpre05a
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:1538
Deposited By: Archive Administrator
Deposited On:27 Jan 2006
Last Modified:08 Nov 2021 19:11

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