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

Ramachandran, S. ; Sunil Kumar, P. B. ; Pagonabarraga, I. (2006) A Lattice-Boltzmann model for suspensions of self-propelling colloidal particles The European Physical Journal E, 20 (2). pp. 151-158. ISSN 1292-8941

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Official URL: https://link.springer.com/article/10.1140/epje/i20...

Related URL: http://dx.doi.org/10.1140/epje/i2006-10009-1

Abstract

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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ID Code:106777
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