Surface fluctuations in a slowly driven granular system

N Nerone, M.a Aguirre, A Calvo, I Ippolito and D Bideau

Physica A: Statistical Mechanics and its Applications, 2000, vol. 283, issue 1, 218-222

Abstract: We report an experiment on a granular packing: a box filled with glass beads is tilted very slowly up to the maximum angle of stability where a big avalanche is produced. During the build-up period many rearrangements occur on the free surface of the packing. Digital imaging was used to study these rearrangements. The probability distribution of sizes for the observed mass fluctuations follow a power-law behavior, which is the signature of self-organized criticality. However, this description breaks down in the limit of big rearrangements where inertia effects are not negligible.

Keywords: Granular matter; Self-organized criticality; Avalanches (search for similar items in EconPapers)
Date: 2000
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:283:y:2000:i:1:p:218-222

DOI: 10.1016/S0378-4371(00)00156-4

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