A Dissipative-Particle-Dynamics Model for Simulating Dynamics of Charged Colloids

Jiajia Zhou () and Friederike Schmid ()
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Jiajia Zhou: Johannes Gutenberg-Universität Mainz, Institut für Physik
Friederike Schmid: Johannes Gutenberg-Universität Mainz, Institut für Physik

A chapter in High Performance Computing in Science and Engineering ‘13, 2013, pp 5-18 from Springer

Abstract: Abstract A mesoscopic colloid model is developed in which a spherical colloid is represented by many interacting sites on its surface. The hydrodynamic interactions with thermal fluctuations are taken accounts in full using Dissipative Particle Dynamics, and the electrostatic interactions are simulated using Particle–Particle–Particle Mesh method. This new model is applied to investigate the electrophoretic mobility of a charged colloid under an external electric field, and the influence of salt concentration and colloid charge are systematically studied. The simulation results show good agreement with predictions from the electrokinetic theory.

Keywords: Dissipative Particle Dynamics; Spherical Colloid; Exclude Volume Interaction; Charged Colloid; Colloid Center (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-319-02165-2_1

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DOI: 10.1007/978-3-319-02165-2_1

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