Mathematics > Numerical Analysis
[Submitted on 19 Jul 2018 (v1), last revised 14 May 2019 (this version, v2)]
Title:A finite difference approximation of a two dimensional time fractional advection-dispersion problem
View PDFAbstract:Time fractional advection-dispersion equations arise as generalizations of classical integer order advection-dispersion equations and are increasingly used to model fluid flow problems through porous media. In this paper we develop an implicit finite difference method to solve a two-dimensional initial boundary value problem for the linear time fractional advection-dispersion equation with variable coefficients on a bounded domain. Consistency, stability and convergence of the method are proved in detail and the numerical experiments offer a good insight into the quality of the obtained approximations.
Submission history
From: Alejandro Piedrahita [view email][v1] Thu, 19 Jul 2018 13:24:02 UTC (453 KB)
[v2] Tue, 14 May 2019 21:56:46 UTC (457 KB)
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