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Entropy 2015, 17(11), 7406-7419; doi:10.3390/e17117406

Extension of the Improved Bounce-Back Scheme for Electrokinetic Flow in the Lattice Boltzmann Method

1
College of Mechanical and Electronic Engineering, Nanjing Forestry University, Nanjing 210037, China
2
School of Energy Science and Engineering, Central South University, Changsha 410083, China
*
Author to whom correspondence should be addressed.
Academic Editors: Sauro Succi and Ignazio Licata
Received: 10 August 2015 / Revised: 30 September 2015 / Accepted: 22 October 2015 / Published: 28 October 2015
(This article belongs to the Special Issue Non-Linear Lattice)
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Abstract

In this paper, an improved bounce-back boundary treatment for fluid systems in the lattice Boltzmann method [Yin, X.; Zhang J. J. Comput. Phys. 2012, 231, 4295–4303] is extended to handle the electrokinetic flows with complex boundary shapes and conditions. Several numerical simulations are performed to validate the electric boundary treatment. Simulations are presented to demonstrate the accuracy and capability of this method in dealing with complex surface potential situations, and simulated results are compared with analytical predictions with excellent agreement. This method could be useful for electrokinetic simulations with complex boundaries, and can also be readily extended to other phenomena and processes. View Full-Text
Keywords: lattice Boltzmann method; bounce-back; electrokinetic flow; electro-osmotic flow lattice Boltzmann method; bounce-back; electrokinetic flow; electro-osmotic flow
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Chen, Q.; Zhou, H.; Jiang, X.; Xu, L.; Li, Q.; Ru, Y. Extension of the Improved Bounce-Back Scheme for Electrokinetic Flow in the Lattice Boltzmann Method. Entropy 2015, 17, 7406-7419.

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