Impact of a projectile on a granular medium described by a collision model

被引：58
|
作者：
Crassous, Jerome [1 ]
Beladjine, Djaoued [1 ]
Valance, Alexandre [1 ]
机构：
[1] Univ Rennes 1, CNRS, UMR 6626, Grp Matiere Condensee Mat, F-35042 Rennes, France
来源：
PHYSICAL REVIEW LETTERS | 2007年 / 99卷 / 24期
关键词：
11;
D O I：
10.1103/PhysRevLett.99.248001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We propose a model for the propagation of energy due to the impact of a granular projectile on a dense granular medium. Energy is transferred from grain to grain during binary collision events. The transport of energy may then be viewed as a random walk with a split of energy during successive collisions. There is a qualitative and quantitative agreement between this simple description and experimental results.
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页数：4
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