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Highly nonlinear solitary waves in chains of cylindrical particles

Khatri, Devvrath and Ngo, Duc and Daraio, Chiara (2012) Highly nonlinear solitary waves in chains of cylindrical particles. Granular Matter, 14 (1). pp. 63-69. ISSN 1434-7636. doi:10.1007/s10035-011-0297-9.

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We study the dynamic response of uniform granular chains composed of short cylindrical particles excited by an impulse. The particles in the chains are arranged with their axes orthogonal to the chain’s axis, and the particles maintain a constant relative orientation angle. We study the formation and propagation of solitary waves in the chains varying the orientation angle (α) between particles, and show tunability of the stress transfer as a function of α. We use the general Hertzian contact theory to model the interaction between particles. We compare experimental findings with theoretical predictions based on the long wavelength approximation, and with numerical predictions based on a one-dimensional discrete particle model, and on a three-dimensional finite element approach, finding good agreement.

Item Type:Article
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URLURL TypeDescription
Daraio, Chiara0000-0001-5296-4440
Additional Information:© 2011 Springer-Verlag. Received: 19 May 2011; Published online: 7 December 2011. We thank Mr. Ivan Szelengowicz for performing preliminary experiments. The authors acknowledge support from the Army Research Office (MURI), Dr. David Stepp is the grant monitor, and from the National Science Foundation (Grant Numbers 825345, 844540).
Funding AgencyGrant Number
Army Research Office (ARO)UNSPECIFIED
Subject Keywords:Highly nonlinear solitary waves; Finite element modeling; Granular materials; Cylindrical particles; Tunability
Issue or Number:1
Record Number:CaltechAUTHORS:20120213-105857273
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:29256
Deposited By: Tony Diaz
Deposited On:21 Mar 2012 20:34
Last Modified:09 Nov 2021 17:05

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