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Internal avalanches in a granular medium
1998
Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
Avalanches of grain displacements can be generated by creating local voids within the interior of a granular material at rest in a bin. Modeling such a two-dimensional granular system by a collection of mono-disperse discs, the system on repeated perturbations, shows all signatures of Self-Organized Criticality. During the propagation of avalanches the competition among grains creates arches and in the critical state a distribution of arches of different sizes is obtained. Using a cellular
doi:10.1103/physreve.58.r6935
fatcat:yxdfzogoxjdovfeutue6qjw45m