Conforming and nonconforming VEMs for the fourth-order reaction–subdiffusion equation: a unified framework

M Li, J Zhao, C Huang, S Chen - IMA Journal of Numerical …, 2022 - academic.oup.com
We establish a unified framework to study the conforming and nonconforming virtual
element methods (VEMs) for a class of time dependent fourth-order reaction–subdiffusion …

[HTML][HTML] Alternating direction implicit-spectral element method (ADI-SEM) for solving multi-dimensional generalized modified anomalous sub-diffusion equation

M Abbaszadeh, M Dehghan, Y Zhou - Computers & Mathematics with …, 2019 - Elsevier
The main aim of the current paper is to solve the multi-dimensional generalized modified
anomalous sub-diffusion equation by using a new spectral element method. At first, the time …

An Adaptive Difference Method for Variable-Order Diffusion Equations

J Quintana-Murillo, SB Yuste - Mediterranean Journal of Mathematics, 2024 - Springer
An adaptive finite difference scheme for variable-order fractional-time subdiffusion equations
in the Caputo form is studied. The fractional-time derivative is discretized by the L1 …

High-order compact difference methods for Caputo-type variable coefficient fractional sub-diffusion equations in conservative form

YM Wang, L Ren - Journal of Scientific Computing, 2018 - Springer
A set of high-order compact finite difference methods is proposed for solving a class of
Caputo-type fractional sub-diffusion equations in conservative form. The diffusion coefficient …

A second-order accurate implicit difference scheme for time fractional reaction-diffusion equation with variable coefficients and time drift term

YL Zhao, PY Zhu, XM Gu, XL Zhao - arXiv preprint arXiv:1707.02679, 2017 - arxiv.org
An implicit finite difference scheme based on the $ L2 $-$1 _ {\sigma} $ formula is presented
for a class of one-dimensional time fractional reaction-diffusion equations with variable …

A higher‐order unconditionally stable scheme for the solution of fractional diffusion equation

F Ghaffar, S Ullah, N Badshah… - Mathematical Methods in …, 2021 - Wiley Online Library
In this paper, a higher‐order compact finite difference scheme with multigrid algorithm is
applied for solving one‐dimensional time fractional diffusion equation. The second‐order …

Energy estimates for two-dimensional space-Riesz fractional wave equation

M Chen, W Yu - Numerical Algorithms, 2019 - Springer
The fractional wave equation governs the propagation of mechanical diffusive waves in
viscoelastic media which exhibits a power-law creep, and consequently provided a physical …

[PDF][PDF] Fourier Convergence Analysis for a Fokker-Planck Equation of Tempered Fractional Langevin-Brownian Motion

M Wang, W Deng - global-sci.com
Fourier stability analysis works well and is popular for the finite difference schemes of the
linear partial differential equations. However, there are less works on the Fourier …

An Adaptive Difference Method for Variable-Order Fractional Diffusion Equations

J Quintana-Murillo, SB Yuste - Available at SSRN 3962880 - papers.ssrn.com
An adaptive finite difference scheme for a class of variable-order fractional-time subdiffusion
equations is studied. The Caputo fractional time derivative is discretized by means of the L1 …

[PDF][PDF] Compact Higher order scheme for the solving of 1-D fractional diffusion equation

F Ghaffar, N Badshah - Mathematical Sciences in Engineering … - researchgate.net
In this paper, a higher-order compact finite difference scheme with multigrid algorithm is
applied for solving one dimensional time fractional diffusion equation. The second order …