Published March 14, 2013
| Published
Journal Article
Open
Energy equipartition in two-dimensional granular systems with spherical intruders
Chicago
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Abstract
We study the effects of a line of spherical interstitial particles (or intruders) placed between two adjacent uncompressed chains of larger particles in a square packing of spheres, using experiments and numerical simulations. We excite one of the chains of particles adjacent to the intruders with an impact and show how energy is transmitted across the system until equipartition is reached from the excited (or impacted) chain to the absorbing (or adjacent) chain. The coupling of the two chains, although a purely two-dimensional effect, is modeled by a simplified one-and-a-half-dimensional system in which transverse motions of the particles are neglected.
Additional Information
© 2013 American Physical Society. Received 21 June 2012; published 14 March 2013. All the authors acknowledge support from the Army Research Office, MURI Grant No. US ARO W911NF-09-1-0436. C.D. acknowledges the National Science Foundation (Grant No. 844540).Attached Files
Published - PhysRevE.87.032204.pdf
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PhysRevE.87.032204.pdf
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Additional details
- Eprint ID
- 37886
- Resolver ID
- CaltechAUTHORS:20130411-103604540
- Army Research Office (ARO)
- W911NF-09-1-0436
- NSF
- CMMI-844540
- Created
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2013-04-11Created from EPrint's datestamp field
- Updated
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2021-11-09Created from EPrint's last_modified field