𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Implicit finite difference approximation for time fractional diffusion equations

✍ Scribed by Diego A. Murio


Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
509 KB
Volume
56
Category
Article
ISSN
0898-1221

No coin nor oath required. For personal study only.

✦ Synopsis


Time fractional diffusion equations are used when attempting to describe transport processes with long memory where the rate of diffusion is inconsistent with the classical Brownian motion model. In this paper we develop an implicit unconditionally stable numerical method to solve the one-dimensional linear time fractional diffusion equation, formulated with Caputo's fractional derivative, on a finite slab. Several numerical examples of interest are also included.


πŸ“œ SIMILAR VOLUMES


Explicit and implicit finite difference
✍ H.R. Ghazizadeh; M. Maerefat; A. Azimi πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 English βš– 764 KB

In this paper, the numerical solution of fractional (non-integer)-order Cattaneo equation for describing anomalous diffusion has been investigated. Two finite difference schemes namely an explicit predictor-corrector and totally implicit schemes have been developed. In developing each scheme, a sepa

Compact finite difference method for the
✍ Mingrong Cui πŸ“‚ Article πŸ“… 2009 πŸ› Elsevier Science 🌐 English βš– 606 KB

High-order compact finite difference scheme for solving one-dimensional fractional diffusion equation is considered in this paper. After approximating the second-order derivative with respect to space by the compact finite difference, we use the GrΓΌnwald-Letnikov discretization of the Riemann-Liouvi