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A Second-Order Finite Difference Method for Two-Dimensional Fractional Percolation Equations

Published online by Cambridge University Press:  16 March 2016

Boling Guo
Affiliation:
Institute of Applied Physics and Computational Mathematics, Beijing 100088, China
Qiang Xu*
Affiliation:
Institute of Applied Physics and Computational Mathematics, Beijing 100088, China School of Mathematical Sciences, Shandong Normal University, Jinan 250014, China
Ailing Zhu
Affiliation:
School of Mathematical Sciences, Shandong Normal University, Jinan 250014, China
*
* Corresponding author. Email addresses:gbl@iapcm.ac.cn (B. Guo), xuqiangsdu@gmail.com (Q. Xu), zhuailing88@126.com (A. Zhu)

Abstract

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A finite difference method which is second-order accurate in time and in space is proposed for two-dimensional fractional percolation equations. Using the Fourier transform, a general approximation for the mixed fractional derivatives is analyzed. An approach based on the classical Crank-Nicolson scheme combined with the Richardson extrapolation is used to obtain temporally and spatially second-order accurate numerical estimates. Consistency, stability and convergence of the method are established. Numerical experiments illustrating the effectiveness of the theoretical analysis are provided.

Information

Type
Research Article
Copyright
Copyright © Global-Science Press 2016