An efficient algorithm with high accuracy for time-space fractional heat equations

S Zhai, L Wei, L Huang, X Feng - Numerical Heat Transfer, Part B …, 2015 - Taylor & Francis
In this article, a second-order-accuracy algorithm is proposed for solving time-space
fractional heat equations (TSFHEs) in one and two dimensions. The new algorithm …

[PDF][PDF] Formulation of low Peclet number based grid expansion factor for the solution of convectiondiffusion equation

A Abdullah - Eng. Technol. Appl. Sci. Res, 2018 - researchgate.net
Convection-diffusion problems, due to its fundamental nature, are found in various science
and engineering applications. In this research, the importance of the relationship between …

Local convergence analysis of L1-ADI scheme for two-dimensional reaction-subdiffusion equation

Y Jiang, H Chen - Journal of Applied Mathematics and Computing, 2024 - Springer
In this paper, we propose an alternating direction implicit (ADI) difference method to solve
the two-dimensional time-fractional reaction-subdiffusion equation with weakly singular …

A fast second-order implicit difference method for time-space fractional advection-diffusion equation

YL Zhao, TZ Huang, XM Gu, WH Luo - … Functional Analysis and …, 2020 - Taylor & Francis
In this paper, we consider a fast second-order implicit difference method to approximate a
class of linear time-space fractional variable coefficients advection-diffusion equation. To …

Condition for Non-Oscillatory Solution for Scalar ConvectionDominated Equation

A Abdullah - CFD Letters, 2020 - akademiabaru.com
The scalar convection-dominated flows are found in different science and designing
applications which incorporates those concerning the computational fluid dynamics …

Error analysis of a high-order fully discrete method for two-dimensional time-fractional convection-diffusion equations exhibiting weak initial singularity

A Singh, S Kumar - arXiv preprint arXiv:2308.08971, 2023 - arxiv.org
This study presents a novel high-order numerical method designed for solving the two-
dimensional time-fractional convection-diffusion (TFCD) equation. The Caputo definition is …

[PDF][PDF] Two Efficient Numerical Schemes for the Allen-Cahn Equation [J]

N Zheng, S Zhai, Z Weng - Advances in Applied Mathematics, 2017 - pdf.hanspub.org
Based on the idea of operator splitting, this paper proposes two efficient operator splitting
schemes for the Allen-Cahn equation. The original equation is divided into linear and …

A Crank-Nicolson-type compact difference method and its extrapolation for time fractional Cattaneo convection-diffusion equations with smooth solutions

YM Wang - Numerical Algorithms, 2019 - Springer
A high-order Crank-Nicolson-type compact difference method is proposed for a class of time
fractional Cattaneo convection-diffusion equations with smooth solutions. The convection …

[HTML][HTML] 空间分数阶Gray-Scott 方程的数值算法

刘将华, 谢彩云, 郑子晴 - Advances in Applied Mathematics, 2023 - hanspub.org
本文基于算子分裂方法, 提出了求解分数阶Gray-Scott 模型的一种高效数值逼近格式.
首先采用算子分裂法将原问题分解为线性子问题和非线性子问题: 线性子问题采用Crank …

Analysis of a High-Accuracy Numerical Method for Time-Fractional Integro-Differential Equations

Z Luo, X Zhang, L Wei - Fractal and Fractional, 2023 - mdpi.com
A high-order finite difference numerical scheme based on the compact difference operator is
proposed in this paper for time-fractional partial integro-differential equations with a weakly …