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

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

2006-01-23

arxiv.org/abs/cond-mat/0601527v1

Physics

Condensed Matter

Soft Condensed Matter

8 pages, 13 figures

Scientific paper

10.1140/epje/i2006-10009-1

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 its 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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