Local jamming via penetration of a granular medium

M. B. Stone, R. Barry, D. P. Bernstein, M. D. Pelc, Y. K. Tsui, P. Schiffer

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106 Scopus citations

Abstract

The penetration force required to push a flat plate vertically through a dense granular medium was investigated. It was observed that the stick-slip fluctuations inherent in the drag process have complex behavior which is affected by the finite size of the vessel containing the medium. It was also observed that the penetration force near a solid boundary can be affected by the surface characteristics of the boundary. It was found that penetration force near the bottom is strongly affected by the surface properties of the bottom boundary.

Original languageEnglish
Article number041301
Pages (from-to)041301-1-041301-10
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume70
Issue number4 1
DOIs
StatePublished - Oct 2004

Funding

We thank J. R. Banavar, A.-L. Barabási, and J. P. Schiffer for helpful discussions. Research was supported by the NASA Microgravity Fluid Physics Program through Grant No. NAG3-2384.

FundersFunder number
NASA Microgravity Fluid Physics Program

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