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An invariant distribution in static granular media

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Date

2007

Authors

Aste, Tomaso
Matteo, T. Di
Saadatfar, Mohammad
Senden, Tim J.
Schröter, Matthias
Swinney, Harry L.

Journal Title

Journal ISSN

Volume Title

Publisher

European Physical Society

Abstract

We have discovered an invariant distribution for local packing configurations in static granular media. This distribution holds in experiments for packing fractions covering most of the range from random loose packed to random close packed, for bead packs prepared both in air and in water. Assuming only that there exist elementary cells in which the system volume is subdivided, we derive from statistical mechanics a distribution that is in accord with the observations. This universal distribution function for granular media is analogous to the Maxwell-Boltzmann distribution for molecular gasses.

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Citation

URI

http://hdl.handle.net/1885/12078

Collections

ANU Research Publications

Source

Europhysics Letters 79.2 (2007): 24003

Type

Journal article

Book Title

Entity type

Access Statement

License Rights

DOI

10.1209/0295-5075/79/24003

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