An innovative pseudo-spectral Galerkin algorithm for the time-fractional Tricomi-type equation

YH Youssri, RM Hafez, AG Atta - Physica Scripta, 2024 - iopscience.iop.org
Herein, we offer semi− analytic numerical procedures for the 1− D Tricomi− type time−
fractional equation (T− FTTE). We consider the Jacobi− shifted polynomials as basis …

Chebyshev Petrov-Galerkin procedure for the time-fractional heat equation with nonlocal conditions

YH Youssri, MI Ismail, AG Atta - Physica Scripta, 2023 - iopscience.iop.org
In this research paper, we address the time-fractional heat conduction equation in one
spatial dimension, subject to nonlocal conditions in the temporal domain. To tackle this …

[HTML][HTML] Computational study for the Caputo sub-diffusive and Riesz super-diffusive processes with a fractional order reaction–diffusion equation

KM Owolabi - Partial Differential Equations in Applied Mathematics, 2023 - Elsevier
A Numerical solution of the Caputo-time and Riesz-space fractional reaction–diffusion
model is considered in this paper. Based on finite difference schemes, we formulate both …

Approximate collocation solution for the time-fractional Newell-Whitehead-Segel equation

AG Atta, WM Abd-Elhameed… - Journal of Applied and …, 2024 - jacm.scu.ac.ir
This study offers a novel method for solving the partial differential equation known as the
time-fractional Newell-Whitehead-Segel equation (TFNWSE), which has important …

New convolved Fibonacci collocation procedure for the Fitzhugh–Nagumo non-linear equation

WM Abd-Elhameed, MS Al-Harbi, AG Atta - Nonlinear Engineering, 2024 - degruyter.com
This article is dedicated to propose a spectral solution for the non-linear Fitzhugh–Nagumo
equation. The proposed solution is expressed as a double sum of basis functions that are …

Explicit Chebyshev Petrov–Galerkin scheme for time-fractional fourth-order uniform Euler–Bernoulli pinned–pinned beam equation

M Moustafa, YH Youssri, AG Atta - Nonlinear Engineering, 2023 - degruyter.com
In this research, a compact combination of Chebyshev polynomials is created and used as a
spatial basis for the time fractional fourth-order Euler–Bernoulli pinned–pinned beam. The …

A family of iterative methods to solve nonlinear problems with applications in fractional differential equations

R Erfanifar, M Hajarian… - Mathematical Methods in …, 2024 - Wiley Online Library
In this work, first, a family of fourth‐order methods is proposed to solve nonlinear equations.
The methods satisfy the Kung‐Traub optimality conjecture. By developing the methods into …

[PDF][PDF] Modal spectral Tchebyshev Petrov–Galerkin stratagem for the time-fractional nonlinear Burgers' equation

YH Youssri, AG Atta - Iranian Journal of Numerical Analysis and …, 2024 - ijnao.um.ac.ir
Herein, we construct an explicit modal numerical solver based on the spec-tral Petrov–
Galerkin method via a specific combination of shifted Cheby-shev polynomial basis for …

A potent collocation approach based on shifted gegenbauer polynomials for nonlinear time fractional Burgers' equations

E Magdy, WM Abd-Elhameed, YH Youssri… - Contemporary …, 2023 - ojs.wiserpub.com
This paper presents a numerical strategy for solving the nonlinear time fractional Burgers's
equation (TFBE) to obtain approximate solutions of TFBE. During this procedure, the …

Enhanced fifth-kind Chebyshev polynomial Petrov–Galerkin algorithm for time-fractional Fokker–Planck equation

E Magdy, AG Atta, GM Moatimid… - … Journal of Modern …, 2024 - ideas.repec.org
This paper employs a numerical method for the numerical treatment of the time fractional
Fokker–Planck equation. This method is based on applying the spectral Petrov–Galerkin …