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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