Approximation methods for solving fractional equations

SS Zeid - Chaos, Solitons & Fractals, 2019 - Elsevier
In this review paper, we are mainly concerned with the numerical methods for solving
fractional equations, which are divided into the fractional differential equations (FDEs), time …

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) …

A novel spectral Galerkin/Petrov–Galerkin algorithm for the multi-dimensional space–time fractional advection–diffusion–reaction equations with nonsmooth solutions

RM Hafez, MA Zaky, AS Hendy - Mathematics and Computers in Simulation, 2021 - Elsevier
The usual classical polynomials-based spectral Galerkin and Petrov–Galerkin methods
enjoy high-order accuracy for problems with smooth solutions. However, their accuracy and …

[HTML][HTML] A novel finite volume method for the Riesz space distributed-order advection–diffusion equation

J Li, F Liu, L Feng, I Turner - Applied Mathematical Modelling, 2017 - Elsevier
In this paper, we investigate the finite volume method (FVM) for a distributed-order space-
fractional advection–diffusion (AD) equation. The mid-point quadrature rule is used to …

Fractional-order advection-dispersion problem solution via the spectral collocation method and the non-standard finite difference technique

NH Sweilam, AAE El-Sayed, S Boulaaras - Chaos, Solitons & Fractals, 2021 - Elsevier
In this article, a numerical method for solving a fractional-order Advection-Dispersion
equation (FADE) is proposed. The fractional-order derivative of the main problem is …

Numerical methods and analysis for simulating the flow of a generalized Oldroyd-B fluid between two infinite parallel rigid plates

L Feng, F Liu, I Turner, P Zhuang - International Journal of Heat and Mass …, 2017 - Elsevier
In recent years, non-Newtonian fluids have been widely applied in a number of engineering
applications. One particular subclass of non-Newtonian fluids is the generalized Oldroyd-B …

Finite element methods based on two families of second-order numerical formulas for the fractional Cable model with smooth solutions

B Yin, Y Liu, H Li, Z Zhang - Journal of Scientific Computing, 2020 - Springer
We apply two families of novel fractional θ θ-methods, the FBT-θ θ and FBN-θ θ methods
developed by the authors in previous work, to the fractional Cable model, in which the time …

A tunable finite difference method for fractional differential equations with non-smooth solutions

X Chen, F Zeng, GE Karniadakis - Computer Methods in Applied Mechanics …, 2017 - Elsevier
In this work, a finite difference method of tunable accuracy for fractional differential equations
(FDEs) with end-point singularities is developed. Modified weighted shifted Grünwald …

Finite difference method for time-space fractional advection–diffusion equations with Riesz derivative

S Arshad, D Baleanu, J Huang, MM Al Qurashi, Y Tang… - Entropy, 2018 - mdpi.com
In this article, a numerical scheme is formulated and analysed to solve the time-space
fractional advection–diffusion equation, where the Riesz derivative and the Caputo …

A unified spectral method for FPDEs with two-sided derivatives; part I: a fast solver

M Samiee, M Zayernouri, MM Meerschaert - Journal of Computational …, 2019 - Elsevier
We develop a unified Petrov–Galerkin spectral method for a class of fractional partial
differential equations with two-sided derivatives and constant coefficients of the form D t 2 τ 0 …