Fast BDF2 ADI methods for the multi-dimensional tempered fractional integrodifferential equation of parabolic type

L Qiao, J Guo, W Qiu - Computers & Mathematics with Applications, 2022 - Elsevier
In this paper, we consider the numerical solutions of the multi-dimensional tempered
fractional integrodifferential equation. First, the second-order backward differentiation …

A second-order ADI difference scheme based on non-uniform meshes for the three-dimensional nonlocal evolution problem

L Qiao, W Qiu, D Xu - Computers & Mathematics with Applications, 2021 - Elsevier
This work constructs and analyzes a nonlocal evolution equation with a weakly singular
kernel in three-dimensional space. In the temporal direction, the Crank-Nicolson (CN) …

Efficient alternating direction implicit numerical approaches for multi-dimensional distributed-order fractional integro differential problems

T Guo, O Nikan, Z Avazzadeh, W Qiu - Computational and Applied …, 2022 - Springer
This paper proposes the alternating direction implicit (ADI) numerical approaches for
computing the solution of multi-dimensional distributed-order fractional integrodifferential …

Error analysis of fast L1 ADI finite difference/compact difference schemes for the fractional telegraph equation in three dimensions

L Qiao, W Qiu, D Xu - Mathematics and Computers in Simulation, 2023 - Elsevier
This article proposes the fast L1 alternating direction implicit (ADI) finite difference and
compact difference schemes to solve the fractional telegraph equation in three-dimensional …

An efficient localized meshless collocation method for the two-dimensional Burgers-type equation arising in fluid turbulent flows

M Li, O Nikan, W Qiu, D Xu - Engineering Analysis with Boundary Elements, 2022 - Elsevier
This paper focusses on the numerical technique based on a localized meshless collocation
method for approximating the Burgers-type equation in two dimensions. The method uses …

Second-order accurate, robust and efficient ADI Galerkin technique for the three-dimensional nonlocal heat model arising in viscoelasticity

M Luo, W Qiu, O Nikan, Z Avazzadeh - Applied Mathematics and …, 2023 - Elsevier
This paper adopts an accurate and robust algorithm for the nonlocal heat equation having a
weakly singular kernel in three dimensions. The proposed method approximates the …

Second-order BDF ADI Galerkin finite element method for the evolutionary equation with a nonlocal term in three-dimensional space

X Yang, W Qiu, H Chen, H Zhang - Applied Numerical Mathematics, 2022 - Elsevier
In this work, we propose and analyze a new method for the solution of the three-dimensional
evolutionary equation with a nonlocal term. Then the method combines Galerkin finite …

[PDF][PDF] The efficient ADI Galerkin finite element methods for the three-dimensional nonlocal evolution problem arising in viscoelastic mechanics

W Qiu, D Xu, X Yang, H Zhang - Discret. Contin. Dyn. Syst. B, 2023 - researchgate.net
In this article, we investigate and analyze new methods for the numerical solution of the
three-dimensional nonlocal evolution problem arising in viscoelastic mechanics. Then these …

A fast numerical solution of the 3D nonlinear tempered fractional integrodifferential equation

L Qiao, W Qiu, B Tang - Numerical Methods for Partial …, 2023 - Wiley Online Library
In this paper, we investigate the numerical solution of the three‐dimensional (3D) nonlinear
tempered fractional integrodifferential equation which is subject to the initial and boundary …

A numerical method for simulating viscoelastic plates based on fractional order model

S Jin, J Xie, J Qu, Y Chen - Fractal and Fractional, 2022 - mdpi.com
In this study, an efficacious method for solving viscoelastic dynamic plates in the time
domain is proposed for the first time. The differential operator matrices of different orders of …