scispace - formally typeset
Open AccessJournal ArticleDOI

Numerical methods for solving the multi-term time-fractional wave-diffusion equation

Reads0
Chats0
TLDR
Some computationally effective numerical methods are proposed for simulating the multi-term time-fractional wave-diffusion equations and can be extended to other kinds of themulti-term fractional time-space models with fractional Laplacian.
Abstract
In this paper, the multi-term time-fractional wave-diffusion equations are considered. The multi-term time fractional derivatives are defined in the Caputo sense, whose orders belong to the intervals [0,1], [1,2), [0,2), [0,3), [2,3) and [2,4), respectively. Some computationally effective numerical methods are proposed for simulating the multi-term time-fractional wave-diffusion equations. The numerical results demonstrate the effectiveness of theoretical analysis. These methods and techniques can also be extended to other kinds of the multi-term fractional time-space models with fractional Laplacian.

read more

Citations
More filters
Journal ArticleDOI

A finite volume method for two-sided fractional diffusion equations on non-uniform meshes

TL;DR: A finite volume method for two-sided fractional diffusion equations with RiemannLiouville derivatives in one spatial dimension is derived, and it is shown that the ability to locally refine the mesh can produce solutions with more accuracy for the same number of nodes compared to a uniform mesh.
Journal ArticleDOI

A meshless point collocation method for 2-D multi-term time fractional diffusion-wave equation

TL;DR: A meshless collocation method is considered to solve the multi-term time fractional diffusion-wave equation in two dimensions using the moving least squares reproducing kernel particle approximation to construct the shape functions for spatial approximation.
Journal ArticleDOI

A semi-analytical collocation Trefftz scheme for solving multi-term time fractional diffusion-wave equations

TL;DR: In this article, a semi-analytical boundary-only collocation technique for solving multi-term time-fractional diffusion-wave equations is presented, which is easy to implement and flexible for irregular domain problems.
Journal ArticleDOI

A Convergent Algorithm for Solving Higher-Order Nonlinear Fractional Boundary Value Problems

TL;DR: In this paper, the authors presented a numerical algorithm for solving nonlinear fractional boundary value problems of order n, n ∈ ℕ, where the Bernstein polynomials (BPs) are defined in a fractional form over an arbitrary interval.
Journal ArticleDOI

On fractional-Legendre spectral Galerkin method for fractional Sturm–Liouville problems

TL;DR: In this article, a spectral Galerkin method based on fractional-order Legendre functions was proposed for solving fractional Sturm-Liouville problems with variable coefficients subject to mixed boundary conditions.
References
More filters
Journal ArticleDOI

The random walk's guide to anomalous diffusion: a fractional dynamics approach

TL;DR: Fractional kinetic equations of the diffusion, diffusion-advection, and Fokker-Planck type are presented as a useful approach for the description of transport dynamics in complex systems which are governed by anomalous diffusion and non-exponential relaxation patterns.
Journal ArticleDOI

Analysis of Fractional Differential Equations

TL;DR: In this paper, the authors discuss existence, uniqueness, and structural stability of solutions of nonlinear differential equations of fractional order, and investigate the dependence of the solution on the order of the differential equation and on the initial condition.
Related Papers (5)