An Adaptive Conservative Finite Volume Method for Poisson-Nernst-Planck Equations on a Moving Mesh
Year: 2019
Author: Xiulei Cao, Huaxiong Huang
Communications in Computational Physics, Vol. 26 (2019), Iss. 2 : pp. 389–412
Abstract
In this paper, we present a finite volume method for solving Poisson-Nernst-Planck (PNP) equations in one spatial dimension. To reduce computational cost, an adaptive moving mesh strategy is employed in order to resolve thin Debye layers near the boundary. In addition to the standard monitor functions, we propose two new ones for the moving mesh partial differential equations to improve the accuracy of the numerical solution. The method guarantees the strict mass conservation. We have proved that the scheme maintains positivity on the adaptive moving mesh which has not been done for PNP.
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Journal Article Details
Publisher Name: Global Science Press
Language: English
DOI: https://doi.org/10.4208/cicp.OA-2018-0134
Communications in Computational Physics, Vol. 26 (2019), Iss. 2 : pp. 389–412
Published online: 2019-01
AMS Subject Headings: Global Science Press
Copyright: COPYRIGHT: © Global Science Press
Pages: 24
Keywords: Poisson-Nernst-Planck finite volume method adaptive moving mesh mass conservation.
Author Details
Xiulei Cao Email
Huaxiong Huang Email
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