A space-time spectral order sinc-collocation method for the fourth-order nonlocal heat model arising in viscoelasticity

X Yang, L Wu, H Zhang - Applied Mathematics and Computation, 2023 - Elsevier
The purpose of this paper is to investigate a space-time Sinc-collocation method for solving
the fourth-order nonlocal heat model arising in viscoelasticity, which is a class of partial …

A high-order and efficient numerical technique for the nonlocal neutron diffusion equation representing neutron transport in a nuclear reactor

W Wang, H Zhang, X Jiang, X Yang - Annals of Nuclear Energy, 2024 - Elsevier
In this paper, a high-order and efficient numerical technique is constructed to solve nonlocal
neutron diffusion equation with delayed neutrons representing neutron transport in a nuclear …

An implicit robust numerical scheme with graded meshes for the modified Burgers model with nonlocal dynamic properties

Q Tian, X Yang, H Zhang, D Xu - Computational and Applied Mathematics, 2023 - Springer
In this paper, an implicit robust difference method with graded meshes is constructed for the
modified Burgers model with nonlocal dynamic properties. The L1 formula on graded …

A localized meshless technique for solving 2D nonlinear integro-differential equation with multi-term kernels

Y Cao, O Nikan, Z Avazzadeh - Applied Numerical Mathematics, 2023 - Elsevier
This paper studies an accurate localized meshless collocation approach for solving two-
dimensional nonlinear integro-differential equation (2D-NIDE) with multi-term kernels. The …

The formally second-order BDF ADI difference/compact difference scheme for the nonlocal evolution problem in three-dimensional space

L Qiao, D Xu, W Qiu - Applied Numerical Mathematics, 2022 - Elsevier
This work formulates two kinds of alternating direction implicit (ADI) schemes for the
parabolic-type three-dimensional evolution equation with a weakly singular kernel. The …

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) …

Numerical solution of the fourth-order partial integro-differential equation with multi-term kernels by the Sinc-collocation method based on the double exponential …

W Qiu, D Xu, J Guo - Applied Mathematics and Computation, 2021 - Elsevier
In this work, we consider a Sinc-collocation method for solving the fourth-order partial
integro-differential equation with the multi-term kernels. In the temporal direction, the time …

A fast compact finite difference scheme for the fourth-order diffusion-wave equation

W Wang, H Zhang, Z Zhou, X Yang - International Journal of …, 2024 - Taylor & Francis
In this paper, the H 2 N 2 method and compact finite difference scheme are proposed for the
fourth-order time-fractional diffusion-wave equations. In order to improve the efficiency of …

Pointwise error analysis of the BDF3 compact finite difference scheme for viscous Burgers' equations

T Guo, MA Zaky, AS Hendy, W Qiu - Applied Numerical Mathematics, 2023 - Elsevier
This paper formulates a third-order backward differentiation formula (BDF3) fourth-order
compact difference scheme based on a developed fourth-order operator for computing the …