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Highly nonlinear solitary waves in chains of hollow spherical particles

Ngo, Duc and Griffiths, Stephane and Khatri, Devvrath and Daraio, Chiara (2013) Highly nonlinear solitary waves in chains of hollow spherical particles. Granular Matter, 15 (2). pp. 149-155. ISSN 1434-7636. doi:10.1007/s10035-012-0377-5.

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We study the dynamic response of one- dimensional granular chains composed of uniform hollow spheres excited by an impulse, and we observe the formation and propagation of highly nonlinear solitary waves. We find that the dynamics of these solitary waves are different from the solitary waves forming in chains composed of uniform solid spheres, because of the changes in the contact interaction between particles. We study the quasi-static contact interaction between two hollows spheres using finite element (FE) simulations, and approximate their response as a power-law type function in the range of forces of interest for this work. The experimental data obtained by testing a chain of particles shows good agreement with theoretical predictions obtained using a long wavelength approximation, and with numerical simulations based on discrete particle and FE models. We also investigate the effect of hollow spheres’ wall thickness on the dynamic response of the chains.

Item Type:Article
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Daraio, Chiara0000-0001-5296-4440
Additional Information:© 2013 Springer-Verlag Berlin Heidelberg. Received: 3 October 2011. Published online: 30 January 2013. Support for this work was received from the Army Research Office (MURI grant US ARO W911NF-09-1-0436), and the National Science Foundation (NSF/CMMI-844540-CAREER and NSF/CMMI 0825345).
Funding AgencyGrant Number
Army Research Office (ARO)W911NF-09-1-0436
Subject Keywords:Highly nonlinear solitary waves; Hollow spheres; Granular materials; Contact interaction
Issue or Number:2
Record Number:CaltechAUTHORS:20130506-073352642
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:38278
Deposited By: Ruth Sustaita
Deposited On:06 May 2013 14:53
Last Modified:09 Nov 2021 23:36

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