A Lattice-Boltzmann model for suspensions of self-propelling colloidal particles

被引：0
|
作者：
S. Ramachandran
P. B. Sunil Kumar
I. Pagonabarraga
机构：
[1] Indian Institute of Technology Madras,Department of Physics
[2] University of Southern Denmark,MEMPHYS
[3] Universitat de Barcelona,Center for Biomembrane Physics
来源：
The European Physical Journal E | 2006年 / 20卷
关键词：
83.10.Pp Particle dynamics; 83.80.Hj Suspensions, dispersions, pastes, slurries, colloids; 05.10.-a Computational methods in statistical physics and nonlinear dynamics; 68.05.Cf Structure: measurements and simulations;
D O I：
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学科分类号：
摘要：
We present a Lattice-Boltzmann method for simulating self-propelling (active) colloidal particles in two dimensions. Active particles with symmetric and asymmetric force distribution on their surface are considered. The velocity field generated by a single active particle, changing its orientation randomly, and the different time scales involved are characterized in detail. The steady-state speed distribution in the fluid, resulting from the activity, is shown to deviate considerably from the equilibrium distribution.
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页码：151 / 158
页数：7
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