Numerical methods for fractional partial differential equations

C Li, A Chen - International Journal of Computer Mathematics, 2018 - Taylor & Francis
In this review paper, we are mainly concerned with the finite difference methods, the
Galerkin finite element methods, and the spectral methods for fractional partial differential …

Fast evaluation of the Caputo fractional derivative and its applications to fractional diffusion equations

S Jiang, J Zhang, Q Zhang, Z Zhang - … in Computational Physics, 2017 - cambridge.org
The computational work and storage of numerically solving the time fractional PDEs are
generally huge for the traditional direct methods since they require total memory and work …

Numerical methods for nonlocal and fractional models

M D'Elia, Q Du, C Glusa, M Gunzburger, X Tian… - Acta Numerica, 2020 - cambridge.org
Partial differential equations (PDEs) are used with huge success to model phenomena
across all scientific and engineering disciplines. However, across an equally wide swath …

A Crank--Nicolson ADI spectral method for a two-dimensional Riesz space fractional nonlinear reaction-diffusion equation

F Zeng, F Liu, C Li, K Burrage, I Turner, V Anh - SIAM Journal on Numerical …, 2014 - SIAM
In this paper, a new alternating direction implicit Galerkin--Legendre spectral method for the
two-dimensional Riesz space fractional nonlinear reaction-diffusion equation is developed …

Analysis of -Galerkin FEMs for time-fractional nonlinear parabolic problems

D Li, HL Liao, W Sun, J Wang, J Zhang - arXiv preprint arXiv:1612.00562, 2016 - arxiv.org
This paper is concerned with numerical solutions of time-fractional nonlinear parabolic
problems by a class of $ L1 $-Galerkin finite element methods. The analysis of $ L1 …

Generalized Jacobi functions and their applications to fractional differential equations

S Chen, J Shen, LL Wang - Mathematics of Computation, 2016 - ams.org
In this paper, we consider spectral approximation of fractional differential equations (FDEs).
A main ingredient of our approach is to define a new class of generalized Jacobi functions …

Spectral analysis and structure preserving preconditioners for fractional diffusion equations

M Donatelli, M Mazza, S Serra-Capizzano - Journal of Computational …, 2016 - Elsevier
Fractional partial order diffusion equations are a generalization of classical partial
differential equations, used to model anomalous diffusion phenomena. When using the …

Fast evaluation of the Caputo fractional derivative and its applications to fractional diffusion equations: a second-order scheme

Y Yan, ZZ Sun, J Zhang - Communications in Computational Physics, 2017 - cambridge.org
The fractional derivatives include nonlocal information and thus their calculation requires
huge storage and computational cost for long time simulations. We present an efficient and …

Galerkin finite element method for two-dimensional Riesz space fractional diffusion equations

W Bu, Y Tang, J Yang - Journal of Computational Physics, 2014 - Elsevier
In this article, a class of two-dimensional Riesz space fractional diffusion equations is
considered. Some fractional spaces are established and some equivalences between …

A fourth-order approximation of fractional derivatives with its applications

Z Hao, Z Sun, W Cao - Journal of Computational Physics, 2015 - Elsevier
A new fourth-order difference approximation is derived for the space fractional derivatives by
using the weighted average of the shifted Grünwald formulae combining the compact …