SHORT-TIME MOTION OF COLLOIDAL PARTICLES - NUMERICAL-SIMULATION VIA A FLUCTUATING LATTICE-BOLTZMANN EQUATION

被引:223
作者
LADD, AJC
机构
[1] Lawrence Livermore National Laboratory, Livermore
关键词
D O I
10.1103/PhysRevLett.70.1339
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A new and general technique for simulating solid-fluid suspensions, which combines molecular dynamics for the solid particles with a lattice-Boltzmann model for the fluid, is described. The many-body hydrodynamic interactions are fully accounted for, both for small particle velocities and at higher Reynolds numbers. Brownian motion of the solid particles is included by adding a fluctuating component to the fluid stress tensor. Simulations of the dynamics of colloidal particles at short times compare favorably with recent diffusing-wave spectroscopy experiments.
引用
收藏
页码:1339 / 1342
页数:4
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