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Proceedings Paper

Investigation of co-travelling solitary wave collisions in a granular chain
Author(s): Paul Anzel; Chiara Daraio
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Paper Abstract

We present investigations into the collision of co-travelling solitary waves in a granular chain. Impulses are injected into the system by means of a piezo stack and the results are compared to a numerical model of discrete masses connected by non-linear springs. Similar to other solitary wave-carrying systems, a phase shift in both interacting solitary waves is observed due to their collision. Additionally, the formation of small secondary waves is observed in both numerical and experimental results. Insight into solitary wave interactions will be important for high-frequency excitation of a granular crystal, which may allow for improved Non-Destructive Evaluation (NDE) and Structural Health Monitoring (SHM) methods.

Paper Details

Date Published: 30 March 2012
PDF: 9 pages
Proc. SPIE 8346, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2012, 83460G (30 March 2012); doi: 10.1117/12.917474
Show Author Affiliations
Paul Anzel, California Institute of Technology (United States)
Chiara Daraio, California Institute of Technology (United States)

Published in SPIE Proceedings Vol. 8346:
Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2012
Theodore E. Matikas, Editor(s)

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