An invariant distribution in static granular media

T. Aste; T. Di Matteo; M. Saadatfar; T. J. Senden; Matthias Schröter; Harry L. Swinney

doi:10.1209/0295-5075/79/24003

An invariant distribution in static granular media

T. Aste^*, T. Di Matteo, M. Saadatfar, T. J. Senden, Matthias Schröter, Harry L. Swinney

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

81 Citations (Scopus)

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.

Original language	English
Article number	24003
Journal	Europhysics Letters
Volume	79
Issue number	2
DOIs	https://doi.org/10.1209/0295-5075/79/24003
Publication status	Published - 1 Jul 2007

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AU - Schröter, Matthias

AU - Swinney, Harry L.

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An invariant distribution in static granular media

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