Hydrodynamic crystals: Collective dynamics of regular arrays of spherical particles in a parallel-wall channel

被引：45

作者：

Baron, M. ^{[1
]}

Blawzdziewicz, J. ^{[1
]}

Wajnryb, E. ^{[1
]}

机构：

[1] Yale Univ, Dept Mech Engn, New Haven, CT 06520 USA

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 17期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevLett.100.174502

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Simulations of over 10(3) hydrodynamically coupled solid spheres are performed to investigate collective motion of linear trains and regular square arrays of particles suspended in a fluid bounded by two parallel walls. Our novel accelerated Stokesian-dynamics algorithm relies on simplifications associated with the Hele-Shaw asymptotic far-field form of the flow scattered by the particles. The simulations reveal propagation of particle-displacement waves, deformation, and rearrangements of a particle lattice, propagation of dislocation defects in ordered arrays, and long-lasting coexistence of ordered and disordered regions.

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页数：4

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