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

被引：6

作者：

Zhou, Jiajia ^{[1
]}

Schmid, Friederike ^{[1
]}

机构：

[1] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany

来源：

HIGH PERFORMANCE COMPUTING IN SCIENCE AND ENGINEERING'13: TRANSACTIONS OF THE HIGH PERFORMANCE COMPUTING CENTER, STUTTGART (HLRS) 2013 | 2013年

关键词：

ELECTROPHORETIC MOBILITY; STATISTICAL-MECHANICS; BOUNDARY-CONDITIONS; MOLECULAR-DYNAMICS; LATTICE BOLTZMANN; DOUBLE-LAYER; EWALD SUMS; SPHERE; FLUIDS; FLOW;

D O I：

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

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

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.

引用

页码：5 / 18

页数：14

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