作者
Jason Alfredo Carlson Gallas, Hans Jürgen Herrmann, Stefan Sokołowski
发表日期
1992/8/31
期刊
Physical review letters
卷号
69
期号
9
页码范围
1371
出版商
American Physical Society
简介
We present molecular dynamics simulations of granular material submitted to vibrations in a two-dimensional system. We find various types of convection cells, due either to the existence of walls or to spatial modulations in the amplitude of the vibration. The direction of the motion relative to the walls depends on shear friction. We measure the strength of the convection velocity and find a characteristic resonance frequency as in experiments. We propose an explanation for the mechanisms that are at the origin of the different motions.
引用总数
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学术搜索中的文章
JAC Gallas, HJ Herrmann, S Sokołowski - Physical review letters, 1992