Approximation methods for solving fractional equations

SS Zeid - Chaos, Solitons & Fractals, 2019 - Elsevier
In this review paper, we are mainly concerned with the numerical methods for solving
fractional equations, which are divided into the fractional differential equations (FDEs), time …

On the existence and uniqueness of solutions to a nonlinear variable order time-fractional reaction–diffusion equation with delay

K Van Bockstal, MA Zaky, AS Hendy - Communications in Nonlinear …, 2022 - Elsevier
In this article, our purpose is to study the existence and uniqueness of a solution to a
damped variable order fractional subdiffusion equation with time delay. Under weak …

A second-order difference scheme for the nonlinear time-fractional diffusion-wave equation with generalized memory kernel in the presence of time delay

AA Alikhanov, MS Asl, C Huang, A Khibiev - Journal of Computational and …, 2024 - Elsevier
This paper investigates a class of the time-fractional diffusion-wave equation (TFDWE),
which incorporates a fractional derivative in the Caputo sense of order α+ 1 where 0< α< 1 …

A Legendre spectral element method (SEM) based on the modified bases for solving neutral delay distributed‐order fractional damped diffusion‐wave equation

M Dehghan, M Abbaszadeh - Mathematical Methods in the …, 2018 - Wiley Online Library
The main purpose of the current paper is to propose a new numerical scheme based on the
spectral element procedure for simulating the neutral delay distributed‐order fractional …

An easy to implement linearized numerical scheme for fractional reaction–diffusion equations with a prehistorical nonlinear source function

AK Omran, MA Zaky, AS Hendy, VG Pimenov - … and Computers in …, 2022 - Elsevier
In this paper, we construct and analyze a linearized finite difference/Galerkin–Legendre
spectral scheme for the nonlinear Riesz-space and Caputo-time fractional reaction–diffusion …

Convergence and stability of compact finite difference method for nonlinear time fractional reaction–diffusion equations with delay

L Li, B Zhou, X Chen, Z Wang - Applied Mathematics and Computation, 2018 - Elsevier
This paper is concerned with numerical solutions of nonlinear time fractional reaction–
diffusion equations with time delay. A linearized compact finite difference scheme is …

A Galerkin meshless reproducing kernel particle method for numerical solution of neutral delay time-space distributed-order fractional damped diffusion-wave …

M Abbaszadeh, M Dehghan - Applied Numerical Mathematics, 2021 - Elsevier
The delay PDEs are called partial functional differential equations as their unknown
solutions are used in these equations as functional arguments. On the other hand, a neutral …

Numerical and analytical investigations for neutral delay fractional damped diffusion-wave equation based on the stabilized interpolating element free Galerkin (IEFG) …

M Abbaszadeh, M Dehghan - Applied Numerical Mathematics, 2019 - Elsevier
A delay PDE is different from a PDE in which it depends not only on the solution at a present
stage but also on the solution at some past stage (s). In the current paper, we develop …

Numerical simulation for time-fractional diffusion-wave equations with time delay

Y Zhang, Z Wang - Journal of Applied Mathematics and Computing, 2023 - Springer
In this paper, compact finite difference schemes with (3-α)-th order accuracy in time and
fourth order accuracy in space based on the L 1 method are constructed for time-fractional …

Temporal second-order difference schemes for the nonlinear time-fractional mixed sub-diffusion and diffusion-wave equation with delay

AA Alikhanov, MS Asl, C Huang, AM Apekov - Physica D: Nonlinear …, 2024 - Elsevier
This paper investigates a nonlinear time-fractional mixed sub-diffusion and diffusion-wave
equation with delay. The problem is particularly challenging due to its nonlinear nature, the …