Density Waves in One-Dimensional Granular Flows Driven by Non-Uniform Force Field
作者： Tao Su , Yao-Dong Feng , Hong-Wu Zhao , De-Cai Huang , Gang Sun
DOI: 10.1088/0253-6102/60/5/17
关键词:
摘要: We introduce a non-uniform gravity-like force field to control the granular flow state in quasi-one-dimensional system, and study system by molecular dynamics simulation. find that under can be well described density wave with fixed time period if particle number condition is used. The base frequency of does not depend on position flow, while both average oscillation amplitude vary continuously position. formation results from aggregation granules decelerated region feed-back mechanism condition.
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