Results 11 to 20 of about 16,421 (265)

Doubly Periodic Meromorphic Solutions of Autonomous Nonlinear Differential Equations

open access: yesМоделирование и анализ информационных систем, 2014
The problem of constructing and classifying elliptic solutions of nonlinear differential equations is studied. An effective method enabling one to find an elliptic solution of an autonomous nonlinear ordinary differential equation is described.
M. V. Demina, N. A. Kudryashov
doaj   +1 more source

Searching closed form analytic solutions to some nonlinear fractional wave equations

open access: yesArab Journal of Basic and Applied Sciences, 2021
Numerous tangible incidents in physics, chemistry, applied mathematics and engineering are described successfully by means of models making use of the theory of derivatives of fractional order and research in this area has grown significantly.
Md. Tarikul Islam   +2 more
doaj   +1 more source

Magnetohydrodynamics flow of nanofluid due to stretching/shrinking surface with slip effect

open access: yesAdvances in Mechanical Engineering, 2017
This research concerns with the flow of nanofluid due to a stretching/shrinking surface. The underlying problem governs the boundary layer equations for two-dimensional viscous and incompressible fluids in Cartesian coordinate system.
Tanvir Akbar   +3 more
doaj   +1 more source

Validity of Galerkin Method at Beam’s Nonlinear Vibrations of the Single Mode with the Initial Curvature

open access: yesBuildings, 2023
A common strategy for studying the nonlinear vibrations of beams is to discretize the nonlinear partial differential equation into a nonlinear ordinary differential equation or equations through the Galerkin method.
Yunbo Zhang, Kun Huang, Wei Xu
doaj   +1 more source

The Combined RKM and ADM for Solving Nonlinear Weakly Singular Volterra Integrodifferential Equations

open access: yesAbstract and Applied Analysis, 2012
The reproducing kernel method (RKM) and the Adomian decomposition method (ADM) are applied to solve nth-order nonlinear weakly singular Volterra integrodifferential equations. The numerical solutions of this class of equations have been a difficult topic
Xueqin Lv, Sixing Shi
doaj   +1 more source

Nonlinear convective heat and mass transfer of Oldroyd-B nanofluid over a stretching sheet in the presence of uniform heat source/sink

open access: yesResults in Physics, 2018
The present study addresses the three-dimensional flow and nonlinear radiative heat transfer of an Oldroyd-B nanofluid flow over a stretching surface with the addition effects of uniform heat source/sink and convective boundary conditions.
B.J. Gireesha   +3 more
doaj   +1 more source

Improved ()-Expansion Method for the Space and Time Fractional Foam Drainage and KdV Equations

open access: yesAbstract and Applied Analysis, 2013
The fractional complex transformation is used to transform nonlinear partial differential equations to nonlinear ordinary differential equations. The improved ()-expansion method is suggested to solve the space and time fractional foam drainage and KdV ...
Ali Akgül   +2 more
doaj   +1 more source

Method of the Logistic Function for Finding Analytical Solutions of Nonlinear Differential Equations

open access: yesМоделирование и анализ информационных систем, 2015
The method of the logistic function is presented for finding exact solutions of nonlinear differential equations. The application of the method is illustrated by using the nonlinear ordinary differential equation of the fourth order. Analytical solutions
N. A. Kudryashov
doaj   +1 more source

Higher Order Compact Finite Difference Schemes for Unsteady Boundary Layer Flow Problems

open access: yesAdvances in Mathematical Physics, 2013
We investigate the applicability of the compact finite difference relaxation method (CFDRM) in solving unsteady boundary layer flow problems modelled by nonlinear partial differential equations.
P. G. Dlamini, S. S. Motsa, M. Khumalo
doaj   +1 more source

Nonlinear ordinary differential equations: A discussion on symmetries and singularities [PDF]

open access: yesInternational Journal of Geometric Methods in Modern Physics, 2016
Two essential methods, the symmetry analysis and the singularity analysis, for the study of the integrability of nonlinear ordinary differential equations is the purpose of this work. The main similarities and the differences of these two different methods are discussed.
Andronikos Paliathanasis, P. G. L. Leach
openaire   +3 more sources

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