Subharmonic surface waves in vibrated granular media

被引：14
|
作者：
Rapaport, DC [1 ]
机构：
[1] Bar Ilan Univ, Dept Phys, IL-52900 Ramat Gan, Israel
来源：
PHYSICA A | 1998年 / 249卷 / 1-4期
基金：
以色列科学基金会;
关键词：
granular media; surface waves; molecular dynamics;
D O I：
10.1016/S0378-4371(97)00470-6
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Using a simplified model of a dissipative discrete-particle fluid we study the formation of surface waves under vertical vibration. The only dissipative forces included in this two-dimensional molecular dynamics simulation act normally to the line of contact during collisions; transverse frictional forces commonly used in granular models are not required. Depending on the parameters, surface waves are observed to form with a half or a quarter of the driving frequency. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：232 / 238
页数：7
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