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Author:

Su, Shuai (Su, Shuai.) | Tang, Huazhong (Tang, Huazhong.)

Indexed by:

EI Scopus SCIE

Abstract:

This paper develops a positivity-preserving and free energy dissipative hybrid scheme for the multi-dimensional Poisson-Nernst-Planck equations with multiple ions on unstructured polygonal and polyhedral meshes. It is built on the linear virtual element method for the Poisson-type equation for the electrostatic potential and a cell-centered finite volume scheme for the Nernst-Planck equations for the ion concentrations, and preserves the positivity of the ion concentrations, the mass conservation, the free energy dissipation and steady-state properties. The existence of the numerical solutions is also discussed. Numerical results demonstrate the effectiveness of the proposed two- and three-dimensional schemes.

Keyword:

Mass conservation Positivity-preserving Free energy dissipation Poisson-Nernst-Planck equations Finite volume scheme Virtual element method

Author Community:

  • [ 1 ] [Su, Shuai]Beijing Univ Technol, Beijing Inst Sci & Engn Comp, Fac Sci, Beijing 100124, Peoples R China
  • [ 2 ] [Tang, Huazhong]Nanchang Hangkong Univ, Nanchang 330063, Jiangxi, Peoples R China
  • [ 3 ] [Su, Shuai]Peking Univ, Sch Math Sci, Ctr Appl Phys & Technol HEDPS & LMAM, Beijing 100871, Peoples R China

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Source :

COMPUTERS & MATHEMATICS WITH APPLICATIONS

ISSN: 0898-1221

Year: 2022

Volume: 108

Page: 33-48

2 . 9

JCR@2022

2 . 9 0 0

JCR@2022

ESI Discipline: MATHEMATICS;

ESI HC Threshold:20

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 7

SCOPUS Cited Count: 7

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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