STUDIES OF COLUMNS OF BEADS UNDER EXTERNAL VIBRATIONS

被引：190

作者：

LUDING, S ^{[1
]}

CLEMENT, E ^{[1
]}

BLUMEN, A ^{[1
]}

RAJCHENBACH, J ^{[1
]}

DURAN, J ^{[1
]}

机构：

[1] UNIV PARIS 06,ACOUST & OPT MATIERE CONDENSEE LAB,F-75230 PARIS 05,FRANCE

来源：

PHYSICAL REVIEW E | 1994年 / 49卷 / 02期

关键词：

D O I：

10.1103/PhysRevE.49.1634

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

As a toy model for dissipative granular materials, we investigate a one-dimensional column of beads undergoing external vibrations. The analysis is both experimental and numerical. We display the cross-over from a condensed to a fluidized state of the column; the parameters are the agitation, the number of beads, and the momentum restitution coefficient. We find clustered states for high dissipation and/or a large number of beads. Our experimental findings support the appearance of a fluidized regime at low dissipation and of a Feigenbaum-type bifurcation scenario at high dissipation.

引用

页码：1634 / 1646

页数：13

共 34 条

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