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

In: High Performance Computing in Science and Engineering ‘13

Author

Listed:
  • Jiajia Zhou

    (Johannes Gutenberg-Universität Mainz, Institut für Physik)

  • Friederike Schmid

    (Johannes Gutenberg-Universität Mainz, Institut für Physik)

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.

Suggested Citation

  • Jiajia Zhou & Friederike Schmid, 2013. "A Dissipative-Particle-Dynamics Model for Simulating Dynamics of Charged Colloids," Springer Books, in: Wolfgang E. Nagel & Dietmar H. Kröner & Michael M. Resch (ed.), High Performance Computing in Science and Engineering ‘13, edition 127, pages 5-18, Springer.
    • Handle: RePEc:spr:sprchp:978-3-319-02165-2_1
    DOI: 10.1007/978-3-319-02165-2_1
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