Sheared disk packings as a model system for complex dynamics

M.B. Sexton, S.J. Hardiman, M.E. Möbius and S. Hutzler

Physica A: Statistical Mechanics and its Applications, 2014, vol. 394, issue C, 312-319

Abstract: Stress fluctuations in a model of densely packed disks under steady shear reproduce many features known for complex systems. These include fat-tailed probability distributions, volatility clustering and long-range autocorrelations. Using a rescaling analysis developed in econophysics, we relate stress rises and falls to rearrangements of the disks.

Keywords: Complex dynamics; Foam rheology; Soft disk model; Volatility clustering; Long-range memory; Econophysics (search for similar items in EconPapers)
Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:394:y:2014:i:c:p:312-319

DOI: 10.1016/j.physa.2013.09.044

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