Nonlinear stability and linear instability of double-diffusive convection in a rotating with LTNE effects and symmetric properties: brinkmann-forchheimer model

G Abed Meften, AH Ali, KS Al-Ghafri, J Awrejcewicz… - Symmetry, 2022 - mdpi.com
The major finding of this paper is studying the stability of a double diffusive convection using
the so-called local thermal non-equilibrium (LTNE) effects. A new combined model that we …

Symmetrical solutions for non-local fractional integro-differential equations via caputo–katugampola derivatives

KS Al-Ghafri, AT Alabdala, SS Redhwan, O Bazighifan… - Symmetry, 2023 - mdpi.com
Fractional calculus, which deals with the concept of fractional derivatives and integrals, has
become an important area of research, due to its ability to capture memory effects and non …

New numerical methods for solving the initial value problem based on a symmetrical quadrature integration formula using hybrid functions

ZJ Kadum, NY Abdul-Hassan - Symmetry, 2023 - mdpi.com
In this study, we construct new numerical methods for solving the initial value problem (IVP)
in ordinary differential equations based on a symmetrical quadrature integration formula …

Novel parametric families of with and without memory iterative methods for multiple roots of nonlinear equations

G Thangkhenpau, S Panday, SK Mittal, L Jäntschi - Mathematics, 2023 - mdpi.com
The methods that use memory using accelerating parameters for computing multiple roots
are almost non-existent in the literature. Furthermore, the only paper available in this …

Combination of optimal three-step composite time integration method with multi-point iterative methods for geometric nonlinear structural dynamics

M Shahraki, F Shahabian Moghadam - International Journal of …, 2023 - profdoc.um.ac.ir
This study focuses on solving the geometric nonlinear dynamic equations of structures using
the multi-point iterative methods within the optimal three-step composite time integration …

Space-time petrov-discontinuous galerkin finite element method for solving linear convection-diffusion problems

MW AbdulRidha, HA Kashkool - Journal of Physics: Conference …, 2022 - iopscience.iop.org
The paper presents the theory of the space-time Petrov-discontinuous Galerkin finite
element (PDGFE) method for the discretization of the nonstationary linear convection …

[HTML][HTML] Hybrid methods for solving structural geometric nonlinear dynamic equations: Implementation of fifth-order iterative procedures within composite time …

M Shahraki, F Shahabian, A Maghami - Results in Engineering, 2024 - Elsevier
This paper studies a class of hybrid methods that implement multi-point iterative procedures
as the nonlinear solver within optimized composite implicit methods. These multi-point …

[PDF][PDF] Continuous dependence for double diffusive convection in a Brinkman model with variable viscosity

GA Meften, AH Ali - Acta Universitatis Sapientiae, Mathematica, 2022 - sciendo.com
This current work is presented to deal with the model of double diffusive convection in
porous material with variable viscosity, such that the equations for convective fluid motion in …

[HTML][HTML] Simulations of the one and two dimensional nonlinear evolutionary partial differential equations: a numerical study

A Ghafoor, S Sardar, A Ullah, M Hussain, H Ahmad… - Results in Physics, 2023 - Elsevier
In this work a hybrid scheme is proposed for the numerical study of various evolutionary
partial differential equations (EPDEs). In proposed strategy, temporal derivatives are …

New family of multi-step iterative methods based on homotopy perturbation technique for solving nonlinear equations

HJ Saeed, AH Ali, R Menzer, AD Poțclean, H Arora - Mathematics, 2023 - mdpi.com
This research aims to propose a new family of one-parameter multi-step iterative methods
that combine the homotopy perturbation method with a quadrature formula for solving …