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 …

-norm error analysis of a robust ADI method on graded mesh for three-dimensional subdiffusion problems

Z Zhou, H Zhang, X Yang - Numerical Algorithms, 2024 - Springer
This work proposes a robust ADI scheme on graded mesh for solving three-dimensional
subdiffusion problems. The Caputo fractional derivative is discretized by L1 scheme, where …

A robust error analysis of the OSC method for a multi-term fourth-order sub-diffusion equation

H Zhang, X Yang, Q Tang, D Xu - Computers & Mathematics with …, 2022 - Elsevier
In this paper, we consider an orthogonal spline collocation (OSC) method to solve the fourth-
order multi-term subdiffusion equation. The L1 method on graded meshes is employed in …

[图书][B] Numerical treatment and analysis of time-fractional evolution equations

B Jin, Z Zhou - 2023 - Springer
The purpose of this book is to present a self-contained and up-to-date survey of numerical
treatment for the so-called time-fractional diffusion model and their mathematical analysis …

[PDF][PDF] A survey of the L1 scheme in the discretisation of time-fractional problems

M Stynes - Submitted for publication, 2021 - researchgate.net
A survey is given of convergence results that have been proved when the L1 scheme is
used to approximate the Caputo time derivative Dα t (where 0< α< 1) in initial-boundary …

Superconvergence analysis of a robust orthogonal Gauss collocation method for 2D fourth-order subdiffusion equations

X Yang, Z Zhang - Journal of Scientific Computing, 2024 - Springer
In this paper, we study the orthogonal Gauss collocation method (OGCM) with an arbitrary
polynomial degree for the numerical solution of a two-dimensional (2D) fourth-order …

Existence and continuity results for Kirchhoff parabolic equation with Caputo–Fabrizio operator

NH Tuan, AT Nguyen, NH Can - Chaos, Solitons & Fractals, 2023 - Elsevier
This paper deals with the solution of the Kirchhoff parabolic equation involving the Caputo–
Fabrizio fractional derivative with non-singular kernel. We represent the mild solution by …

α-robust error analysis of a mixed finite element method for a time-fractional biharmonic equation

C Huang, M Stynes - Numerical Algorithms, 2021 - Springer
An initial-boundary value problem of the form D t α u+ Δ 2 u− c Δ u= f D_t^αu+\varDelta^2uc\
varDeltau=f is considered, where D t α D_t^α is a Caputo temporal derivative of order α∈(0 …

A Sharp -Robust Error Bound for a Time-Fractional Allen-Cahn Problem Discretised by the Alikhanov Scheme and a Standard FEM

C Huang, M Stynes - Journal of Scientific Computing, 2022 - Springer
A time-fractional Allen-Cahn initial-boundary value problem is considered, where the
bounded spatial domain Ω lies in R d for some d∈{1, 2, 3} and has smooth boundary or is …

-Robust Superconvergent Analysis of a Finite Element Method for the Distributed Order Time-Fractional Diffusion Equation

C Huang, H Chen, N An - Journal of Scientific Computing, 2022 - Springer
A distributed order time fractional diffusion equation whose solution has a weak singularity
near the initial time t= 0 t= 0 is considered. The numerical method of the paper uses the well …