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.

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页码：232 / 238

页数：7

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