Results 11 to 20 of about 2,080,676 (172)

A Study of Traveling Wave Structures and Numerical Investigations into the Coupled Nonlinear Schrödinger Equation Using Advanced Mathematical Techniques

open access: yesMathematics, 2023
This article explores adapted mathematical methods to solve the coupled nonlinear Schrödinger (C-NLS) equation through analytical and numerical methods.
Taghread Ghannam Alharbi   +1 more
doaj   +1 more source

Numerical Solution of Electromagnetic Problem MHD in a Polar Coordinates [PDF]

open access: yesAl-Rafidain Journal of Computer Sciences and Mathematics, 2021
In this paper, we studied a flow of fluid in a pipe under the effect of electromagnetic field in a polar coordinate, be done build a mathematical model which  represented by system of  two dimensional non-linear partial differential equations ...
Ahmed Jassim, Ahmed Amen
doaj   +1 more source

Numerical Solution of Burgers Equation

open access: yesPesquimat, 2016
In this paper the problem of Burgers is studied in the simplest case, some results of existence, uniqueness and regularity of the solution of the problem are indicated, and in its variational form it is given a result that gives a suÿcient condition for ...
Juan Luna Valdez, Edith Carhuapoma Lopez
doaj   +1 more source

Numerical Solution of Quantum-Mechanical Pair Equations [PDF]

open access: yes, 1968
We discuss and illustrate the numerical solution of the differential equation satisfied by the first‐order pair functions of Sinanoğlu. An expansion of the pair function in spherical harmonics and the use of finite difference methods convert the ...
McKoy, Vincent, Winter, N. W.
core   +1 more source

CREATION AND EVALUATION OF THE STRUCTURES GRID IN CURVILINEAR AREAS

open access: yesВестник КазНУ. Серия математика, механика, информатика, 2021
The article concerns methods of a structural curvilinear grid constructing in areas of geometrically complex shape and its evaluation from the quality point of view. Equidistribution methods based on differential equations were used to construct the grid
L. N. Temirbekova, E. A. Malgazhdarov
doaj   +1 more source

A Comparison between Euler's Method and 4-th Order Runge- Kutta Method For Numerical Solutions of Neutrosophic and Dual Differential Problems [PDF]

open access: yesNeutrosophic Sets and Systems
This paper is dedicated to study some numerical solutions of neutrosophic and dual differential problems through a numerical comparison between neutrosophic Euler's method and 4-th order Runge-Kutta neutrosophic and dual method, where we apply both ...
Ahmed Salem Heilat
doaj   +1 more source

On the analysis of the fractional model of COVID-19 under the piecewise global operators

open access: yesMathematical Biosciences and Engineering, 2023
An expanding field of study that offers fresh and intriguing approaches to both mathematicians and biologists is the symbolic representation of mathematics.
M. A. El-Shorbagy   +2 more
doaj   +1 more source

Numerical Solution of Stochastic Hyperbolic Equations

open access: yesAbstract and Applied Analysis, 2012
A two-step difference scheme for the numerical solution of the initial-boundary value problem for stochastic hyperbolic equations is presented. The convergence estimate for the solution of the difference scheme is established.
Necmettin Aggez, Maral Ashyralyyewa
doaj   +1 more source

A detailed solution framework for the out‐of‐plane displacement of circular dielectric elastomer actuators

open access: yesEngineering Reports, 2022
The out‐of‐plane displacement (OPD) of a circular dielectric elastomer actuator (DEA) membrane has been explored in recent years for a variety of important applications. Circular DEAs consist of an elastomer membrane that is prestretched to a rigid frame
Daniel Korn   +2 more
doaj   +1 more source

Numerical Solution for an Epicycloid Crack

open access: yesJournal of Applied Mathematics, 2014
A flat crack, Ω, is lying in a three-dimensional homogenous isotropic elastic solid subjected to shear loading. A mathematical formulation is developed based on the mixed boundary values for Ω such that the problem of finding the resulting force can be ...
Nik Mohd Asri Nik Long   +3 more
doaj   +1 more source

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