The response of 2D foams to continuous applied shear in a Couette rheometer

被引：21
|
作者：
Clancy, R. J. [1 ]
Janiaud, E. [1 ]
Weaire, D. [1 ]
Hutzler, S. [1 ]
机构：
[1] Univ Dublin Trinity Coll, Sch Phys, Dublin 2, Ireland
来源：
EUROPEAN PHYSICAL JOURNAL E | 2006年 / 21卷 / 02期
关键词：
D O I：
10.1140/epje/i2006-10052-x
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The continuum model that has reproduced the experimental observation of exponential shear localisation for straight-edge boundary conditions is adapted to the case of circular geometry. Essentially the same effect is found. However, the scenario of possible velocity profiles is much richer. Our calculations elucidate many recent experiments qualitatively and suggest further extensions of them. Various limits are analysed. In particular, the localisation length vanishes as the inner-boundary velocity tends to zero.
引用
收藏
页码：123 / 132
页数：10
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