A meshless method for time fractional nonlinear mixed diffusion and diffusion-wave equation

A Bhardwaj, A Kumar - Applied Numerical Mathematics, 2021 - Elsevier
The paper aims to put forth a radial basis function-based meshless approach for the
numerical solution of the time-fractional nonlinear mixed diffusion and diffusion-wave …

Temporal second-order difference methods for solving multi-term time fractional mixed diffusion and wave equations

R Du, Z Sun - Numerical Algorithms, 2021 - Springer
This article deals with an establishment and sharp theoretical analysis of a numerical
scheme devised for solving the multi-dimensional multi-term time fractional mixed diffusion …

Temporal second-order difference schemes for the nonlinear time-fractional mixed sub-diffusion and diffusion-wave equation with delay

AA Alikhanov, MS Asl, C Huang, AM Apekov - Physica D: Nonlinear …, 2024 - Elsevier
This paper investigates a nonlinear time-fractional mixed sub-diffusion and diffusion-wave
equation with delay. The problem is particularly challenging due to its nonlinear nature, the …

Efficient L1-ADI finite difference method for the two-dimensional nonlinear time-fractional diffusion equation

Y Jiang, H Chen, T Sun, C Huang - Applied Mathematics and Computation, 2024 - Elsevier
In this work, we propose an efficient finite difference method for the two-dimensional
nonlinear time-fractional diffusion equation with weakly singular solutions. By using …

Two-grid algorithms based on FEM for nonlinear time-fractional wave equations with variable coefficient

K Li, Z Tan - Computers & Mathematics with Applications, 2023 - Elsevier
In this paper, a fully discrete finite element scheme is established with L 1 approximation for
solving the nonlinear time-fractional wave equation with a variable coefficient. The stability …

Alternating direction implicit approach for the two-dimensional time fractional nonlinear Klein–Gordon and Sine–Gordon problems

S Kumari, RK Pandey - … in Nonlinear Science and Numerical Simulation, 2024 - Elsevier
The aim of this article is to establish a numerical scheme to achieve the theoretical accuracy
near the weak singularity at t= 0 in solving the two-dimensional time-fractional nonlinear …

A two-grid fully discrete Galerkin finite element approximation for fully nonlinear time-fractional wave equations

K Li, Z Tan - Nonlinear Dynamics, 2023 - Springer
We construct a fully discrete implicit finite element scheme with L 1 method for solving fully
nonlinear time-fractional wave equations, which is first considered in this work, and then we …

Linearized transformed L1 finite element methods for semi-linear time-fractional parabolic problems

Y Han, X Huang, W Gu, B Zheng - Applied Mathematics and Computation, 2023 - Elsevier
A linearized Galerkin finite element method is presented for numerically solving the semi-
linear time-fractional parabolic problems, whose solutions always display a initial weak …

Stability analysis of a second-order difference scheme for the time-fractional mixed sub-diffusion and diffusion-wave equation

AA Alikhanov, MS Asl, C Huang - Fractional Calculus and Applied …, 2024 - Springer
This study investigates a class of initial-boundary value problems pertaining to the time-
fractional mixed sub-diffusion and diffusion-wave equation (SDDWE). To facilitate the …

A numerical solution of time-fractional mixed diffusion and diffusion-wave equation by an RBF-based meshless method

A Bhardwaj, A Kumar - Engineering with Computers, 2022 - Springer
In this paper, we have developed an radial basis function (RBF) based meshless method to
solve the time-fractional mixed diffusion and diffusion-wave equation which involves two …