期刊
PHYSICAL REVIEW E
卷 81, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.81.061301
关键词
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资金
- National Science Foundation
- U.S. Department of Energy's Office of Science
- [NSF-DMS-0406633]
- [NSF-DMS-0605857]
- [NSF-DMS-0835611]
- [NSF-DMS-0420590]
- Division Of Mathematical Sciences
- Direct For Mathematical & Physical Scien [0835611] Funding Source: National Science Foundation
The density relaxation phenomenon is modeled using both Monte Carlo and discrete element simulations to investigate the effects of regular taps applied to a vessel having a planar floor filled with monodisperse spheres. Results suggest the existence of a critical tap intensity which produces a maximum bulk solids fraction. We find that the mechanism responsible for the relaxation phenomenon is an evolving ordered packing structure propagating upwards from the plane floor.
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