Heap Formation in Granular Media

Details Heap Formation in Granular Media Heap Formation in Granular Media

1993-01-06

arxiv.org/abs/cond-mat/9301004v1

J.Phys. A27 (1994) L257-L262

Physics

Condensed Matter

11 pages, 4 figures available upon request, Plain TeX, HLRZ-101/92

Scientific paper

10.1088/0305-4470/27/9/004

Using molecular dynamics (MD) simulations, we find the formation of heaps in a system of granular particles contained in a box with oscillating bottom and fixed sidewalls. The simulation includes the effect of static friction, which is found to be crucial in maintaining a stable heap. We also find another mechanism for heap formation in systems under constant vertical shear. In both systems, heaps are formed due to a net downward shear by the sidewalls. We discuss the origin of net downward shear for the vibration induced heap.

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