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Angular Dependence of Highly Nonlinear Pulse Splitting in a Two Dimensional Granular Network

Ngo, D. and Fraternali, F. and Daraio, C. (2012) Angular Dependence of Highly Nonlinear Pulse Splitting in a Two Dimensional Granular Network. In: 2010 Proceedings of the ASME International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers , New York, NY, pp. 361-366. ISBN 978-0-7918-4446-5.

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We investigate experimentally and numerically the propagation of highly nonlinear signals in a branched two-dimensional granular system composed by chains of uniform spherical beads. The system consists of a Y-shaped guide with various branch angles in which stainless steel spheres are arranged. We study the dynamic behavior of a solitary pulse crossing the bifurcated interface, and splitting between the two branches. We report for the first time the dependence of the split pulses' speed on the branch angles. Numerical simulations based on Hertzian interaction between the particles are found in agreement with the experimental data.

Item Type:Book Section
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URLURL TypeDescription
Fraternali, F.0000-0002-7549-6405
Daraio, C.0000-0001-5296-4440
Additional Information:© 2010 ASME. Support for this work was received from the Army Research Office (MURI grant US ARO W911NF-09-1-0436, Dr. David Stepp and Proposal No. 54272-EG, Dr. Bruce LaMattina).
Funding AgencyGrant Number
Army Research Office (ARO)W911NF-09-1-0436
Record Number:CaltechAUTHORS:20130814-105941438
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:39912
Deposited By: Tony Diaz
Deposited On:16 Aug 2013 21:59
Last Modified:09 Nov 2021 23:48

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