Critical scaling near jamming transition for frictional granular particles

Details Critical scaling near jamming transition for frictional granular particles Critical scaling near jamming transition for frictional granular particles

2010-06-18

arxiv.org/abs/1006.3597v4

Physics

Condensed Matter

Statistical Mechanics

10 pages, 15 figures

Scientific paper

The critical rheology of sheared frictional granular materials near jamming transition is numer- ically investigated. It is confirmed that there exist a true critical density which characterizes the onset of the yield stress, and two fictitious critical densities which characterize the scaling laws of rheological properties. We find the existence of a hysteresis loop between two of the critical densities for each friction coefficient. It is noteworthy that the critical scaling law for frictionless jamming transition seems to be still valid even for frictional jamming despite using fictitious critical density values.

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