Regensburg 2007 – wissenschaftliches Programm
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CPP: Fachverband Chemische Physik und Polymerphysik
CPP 21: POSTER: Dynamics and Diffusion
CPP 21.9: Poster
Mittwoch, 28. März 2007, 16:00–18:30, Poster B
Lattice Boltzmann simulation of electroosmotic flow — •Marcello Sega1 and Christian Holm1,2 — 1Frankfurt Institute for Advanced Studies, Frankfurt, Germany — 2Max Planck Institute for Polymer Research, Mainz, Germany
We report on simulation of electroosmotic flow in a slit pore by means of coupled Molecular Dynamics - Lattice Boltzmann techniques. Proper dielectric boundary conditions for the confining media are treated by the use of a recently developed extension of the MMM2D and ELC algorithms for electrostatics. The influence of the dielectric jump and of the charge distribution on the confining plates (uniform vs. discrete) is investigated and compared with theoretical predictions.