Numerical methods for fractional partial differential equations

C Li, A Chen - International Journal of Computer Mathematics, 2018 - Taylor & Francis
In this review paper, we are mainly concerned with the finite difference methods, the
Galerkin finite element methods, and the spectral methods for fractional partial differential …

A fast linearized conservative finite element method for the strongly coupled nonlinear fractional Schrödinger equations

M Li, XM Gu, C Huang, M Fei, G Zhang - Journal of Computational Physics, 2018 - Elsevier
In this paper, a fast linearized conservative finite element method is studied for solving the
strongly coupled nonlinear fractional Schrödinger equations. We prove that the scheme …

Unconditionally Convergent -Galerkin FEMs for Nonlinear Time-Fractional Schrödinger Equations

D Li, J Wang, J Zhang - SIAM Journal on Scientific Computing, 2017 - SIAM
In this paper, a linearized L1-Galerkin finite element method is proposed to solve the
multidimensional nonlinear time-fractional Schrödinger equation. In terms of a temporal …

An improved collocation method for multi-dimensional space–time variable-order fractional Schrödinger equations

AH Bhrawy, MA Zaky - Applied Numerical Mathematics, 2017 - Elsevier
Current discretizations of variable-order fractional (V-OF) differential equations lead to
numerical solutions of low order of accuracy. This paper explores a high order numerical …

[HTML][HTML] Analytical and semi-analytical ample solutions of the higher-order nonlinear Schrödinger equation with the non-Kerr nonlinear term

MMA Khater, RAM Attia, AH Abdel-Aty, MA Abdou… - Results in Physics, 2020 - Elsevier
In this paper, we investigate distinct novel analytical and semi-analytical solutions of the
higher-order nonlinear Schrödinger equation with the non-Kerr nonlinear term by the …

Second-order numerical methods for multi-term fractional differential equations: smooth and non-smooth solutions

F Zeng, Z Zhang, GE Karniadakis - Computer Methods in Applied …, 2017 - Elsevier
Starting with the asymptotic expansion of the error equation of the shifted Grünwald–
Letnikov formula, we derive a new modified weighted shifted Grünwald–Letnikov (WSGL) …

[HTML][HTML] Highly accurate numerical schemes for multi-dimensional space variable-order fractional Schrödinger equations

AH Bhrawy, MA Zaky - Computers & Mathematics with Applications, 2017 - Elsevier
As a natural generalization of the fractional Schrödinger equation, the variable-order
fractional Schrödinger equation has been exploited to study fractional quantum phenomena …

Galerkin finite element method for nonlinear fractional Schrödinger equations

M Li, C Huang, P Wang - Numerical Algorithms, 2017 - Springer
In this paper, a class of nonlinear Riesz space-fractional Schrödinger equations are
considered. Based on the standard Galerkin finite element method in space and Crank …

Unconditionally optimal error estimates of a linearized Galerkin method for nonlinear time fractional reaction–subdiffusion equations

D Li, J Zhang, Z Zhang - Journal of Scientific Computing, 2018 - Springer
This paper is concerned with unconditionally optimal error estimates of linearized Galerkin
finite element methods to numerically solve some multi-dimensional fractional reaction …

A structure-preserving method for a class of nonlinear dissipative wave equations with Riesz space-fractional derivatives

JE Macías-Díaz - Journal of Computational Physics, 2017 - Elsevier
In this manuscript, we consider an initial-boundary-value problem governed by a (1+ 1)-
dimensional hyperbolic partial differential equation with constant damping that generalizes …