Power-law friction in closely-packed granular materials

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dc.creatorHatano, Takahiro
dc.date2006-12-14
dc.date2007-05-08
dc.date.accessioned2026-07-07T08:09:54Z
dc.date.available2026-07-07T08:09:54Z
dc.descriptionIn order to understand the nature of friction in closely-packed granular materials, a discrete element simulation on granular layers subjected to isobaric plain shear is performed. It is found that the friction coefficient increases as the power of the shear rate, the exponent of which does not depend on the material constants. Using a nondimensional parameter that is known as the inertial number, the power-law can be cast in a generalized form so that the friction coefficients at different confining pressures collapse on the same curve. We show that the volume fraction also obeys a power-law.
dc.description4 pages
dc.identifierhttps://arxiv.org/abs/cond-mat/0612360
dc.identifierhttp://arxiv.org/abs/cond-mat/0612360
dc.identifierPhys. Rev. E 75, 060301(R) (2007)
dc.identifierdoi:10.1103/PhysRevE.75.060301
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/131681
dc.subjectSoft Condensed Matter
dc.titlePower-law friction in closely-packed granular materials
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