[HTML][HTML] A finite difference/finite element technique with error estimate for space fractional tempered diffusion-wave equation

M Dehghan, M Abbaszadeh - Computers & Mathematics with Applications, 2018 - Elsevier
An efficient numerical technique is proposed to solve one-and two-dimensional space
fractional tempered fractional diffusion-wave equations. The space fractional is based on the …

An efficient technique based on finite difference/finite element method for solution of two-dimensional space/multi-time fractional Bloch–Torrey equations

M Dehghan, M Abbaszadeh - Applied Numerical Mathematics, 2018 - Elsevier
The main aim of the current paper is to propose an efficient numerical technique for solving
two-dimensional space-multi-time fractional Bloch–Torrey equations. The current research …

A POD-based reduced-order Crank-Nicolson/fourth-order alternating direction implicit (ADI) finite difference scheme for solving the two-dimensional distributed-order …

M Abbaszadeh, M Dehghan - Applied Numerical Mathematics, 2020 - Elsevier
This paper introduces a high-order numerical procedure to solve the two-dimensional
distributed-order Riesz space-fractional diffusion equation. In the proposed technique, first, a …

[HTML][HTML] Error estimate of finite element/finite difference technique for solution of two-dimensional weakly singular integro-partial differential equation with space and …

M Dehghan, M Abbaszadeh - Journal of Computational and Applied …, 2019 - Elsevier
In the current investigation, an error estimate has been proposed to solve the two-
dimensional weakly singular integro-partial differential equation with space and time …

Multi-domain spectral collocation method for variable-order nonlinear fractional differential equations

T Zhao, Z Mao, GE Karniadakis - Computer Methods in Applied Mechanics …, 2019 - Elsevier
Spectral and spectral element methods using Galerkin type formulations are efficient for
solving linear fractional PDEs (FPDEs) of constant order but are not efficient in solving …

Numerical investigation of reproducing kernel particle Galerkin method for solving fractional modified distributed-order anomalous sub-diffusion equation with error …

M Abbaszadeh, M Dehghan - Applied Mathematics and Computation, 2021 - Elsevier
In the Galerkin weak form technique based on various kernels that they do not have δ-
Kronecker property, in order to apply the essential boundary condition, there are two straight …

[HTML][HTML] Analysis of mixed finite element method (MFEM) for solving the generalized fractional reaction–diffusion equation on nonrectangular domains

M Abbaszadeh, M Dehghan - Computers & Mathematics with Applications, 2019 - Elsevier
In the current manuscript, we consider a generalized fractional reaction–diffusion equation.
The considered model is based on the time fractional derivative. The developed scheme is …

A scale-dependent finite difference approximation for time fractional differential equation

XT Liu, HG Sun, Y Zhang, Z Fu - Computational Mechanics, 2019 - Springer
This study proposes a scale-dependent finite difference method (S-FDM) to approximate the
time fractional differential equations (FDEs), using Hausdroff metric to conveniently link the …

[HTML][HTML] Stability approach to the fractional variational iteration method used for the dynamic analysis of viscoelastic beams

O Martin - Journal of Computational and Applied Mathematics, 2019 - Elsevier
Non-integer derivatives are frequently used to describe the constitutive behavior of
viscoelastic materials. The dynamic analysis of a simply supported viscoelastic beam for a …

The Crank‐Nicolson/interpolating stabilized element‐free Galerkin method to investigate the fractional Galilei invariant advection‐diffusion equation

M Abbaszadeh, M Dehghan - Mathematical Methods in the …, 2021 - Wiley Online Library
Recently, finding a stable and convergent numerical procedure to simulate the fractional
partial differential equations (PDEs) is one of the interesting topics. Meanwhile, the fractional …