Long-time rotational motion of a set of rigid bodies immersed in a viscous fluid

被引：0

作者：

Felderhof, B. U. ^{[1
]}

机构：

[1] Rhein Westfal TH Aachen, Inst Theoret Phys A, D-52056 Aachen, Germany

来源：

PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2007年 / 379卷 / 01期

关键词：

Brownian motion; linear hydrodynamics; long-time tail of rotational motion;

D O I：

10.1016/j.physa.2006.12.035

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The long-time rotational motion of a set of rigid bodies immersed in a viscous fluid is studied on the basis of the linearized Navier-Stokes equations. After an initial twist applied to one of the bodies the rotational motion of each of them decays at long times with a t(-5/2) long-time tail. The coefficient of the tail depends on shape and configuration of the bodies. It is shown that it can be expressed in terms of zero frequency mobility tensors that in principle can be calculated from the steady-state Stokes equations. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：32 / 40

页数：9

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