From force distribution to average coordination number in frictional granular matter

Ping Wang, Chaoming Song, Christopher Briscoe, Kun Wang and Hernán A. Makse

Physica A: Statistical Mechanics and its Applications, 2010, vol. 389, issue 19, 3972-3977

Abstract: We study the joint probability distribution of normal and tangential frictional forces in jammed granular media, Pμ(ft,fn), for various values of the friction coefficient μ, especially when μ=∞. A universal scaling law is found to collapse the data for μ=0 to ∞, demonstrating a link between the force distribution Pμ(ft,fn) and the average coordination number, zcμ. The results determine zcμ for a finite friction coefficient, extending the constraint-counting argument of isostatic granular packing to finite frictional packings.

Keywords: Force distribution; Granular matter (search for similar items in EconPapers)
Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:389:y:2010:i:19:p:3972-3977

DOI: 10.1016/j.physa.2010.05.053

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