The role of tank-treading motions in the transverse migration of a spheroidal vesicle in a shear flow

被引：29
|
作者：
Olla, P [1 ]
机构：
[1] UNIV LECCE,CNR,ISIATA,I-73100 LECCE,ITALY
来源：
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 1997年 / 30卷 / 01期
关键词：
D O I：
10.1088/0305-4470/30/1/022
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The behaviour of a spheroidal vesicle, in a plane shear Bow bounded from one side by a wall, is analysed when the distance from the wall is much larger than the spheroid radius. It is found that tank-treading motions produce a transverse drift away from the wall, proportional to the spheroid eccentricity and the inverse square of the distance from the wall. This drift is independent of inertia, and is completely determined by the characteristics of the vesicle membrane. The relative strength of the contribution to drift from tank-treading motions and from the presence of inertial corrections, is discussed.
引用
收藏
页码：317 / 329
页数：13
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