Results 21 to 30 of about 274,936 (300)

Study of a nonlinear boundary-value problem of geophysical relevance

open access: yesDiscrete and Continuous Dynamical Systems. Series A, 2019
We present some results on the existence and uniqueness of solutions of a two-point nonlinear boundary value problem that arises in the modeling of the flow of the Antarctic Circumpolar Current.
K. Marynets
semanticscholar   +1 more source

Solution of a nonlinear heat transfer problem based on experimental data

open access: yesВестник КазНУ. Серия математика, механика, информатика, 2022
The paper develops a method for solving nonlinear equations of heat conduction. Two-layer container complexes have been created, the side faces of which are thermally insulated so that the 1D heat equation can be used.
B. Rysbaiuly, S. D. Alpar
doaj   +1 more source

On nonlinear fučik type spectra

open access: yesMathematical Modelling and Analysis, 2008
Eigenvalue problems of the form x″ = -λf(x+) + μg(x-), x(0) = 0, x(1) = 0 are considered, where x+ and x− are respectively the positive and the negative parts of x. We are looking for (λ, μ) such that the problem has a nontrivial solution.
Armands Gritsans, Felix Sadyrbaev
doaj   +1 more source

Boundary Value Problem for Multi-Term Nonlinear Delay Generalized Proportional Caputo Fractional Differential Equations

open access: yesFractal and Fractional, 2022
A nonlocal boundary value problem for a couple of two scalar nonlinear differential equations with several generalized proportional Caputo fractional derivatives and a delay is studied.
Ravi P. Agarwal, Snezhana Hristova
doaj   +1 more source

Analysis and control of a nonlinear boundary value problem

open access: yesNonlinear Analysis, 2017
We consider a nonlinear two-dimensional boundary value problem which models the frictional contact of a bar with a rigid obstacle. The weak formulation of the problem is in the form of an elliptic variational inequality of the second kind.
Hadjer Hechaichi, Mircea Sofonea
doaj   +1 more source

First-Order Boundary Value Problem with Nonlinear Boundary Condition on Time Scales

open access: yesDiscrete Dynamics in Nature and Society, 2011
This work is concerned with the following first-order dynamic equation on time scale ,  xΔ(t)+p(t)x(σ(t))=f(t,x(t)),  t∈[0,T]𝕋 with the nonlinear boundary condition x(0)=g(x(σ(T))).
Ya-Hong Zhao
doaj   +1 more source

Existence and uniqueness results for a nonlinear Caputo fractional boundary value problem on a star graph

open access: yesJournal of Mathematical Analysis and Applications, 2019
In this paper, we study a nonlinear Caputo fractional boundary value problem on a star graph. By means of transformation, an equivalent system of fractional boundary value problem is obtained.
Vaibhav Mehandiratta   +2 more
semanticscholar   +1 more source

DeepGreen: deep learning of Green’s functions for nonlinear boundary value problems [PDF]

open access: yesScientific Reports, 2020
Boundary value problems (BVPs) play a central role in the mathematical analysis of constrained physical systems subjected to external forces. Consequently, BVPs frequently emerge in nearly every engineering discipline and span problem domains including ...
Craig Gin, D. Shea, S. Brunton, J. Kutz
semanticscholar   +1 more source

Coupled System of Boundary Value Problems by Galerkin Method with Cubic B-Splines [PDF]

open access: yesE3S Web of Conferences, 2019
Coupled system of second order linear and nonlinear boundary value problems occur in various fields of Science and Engineering including heat and mass transfer.
Kasi Viswanadham K.N.S
doaj   +1 more source

Nonlinear boundary value problems and orlicz spaces [PDF]

open access: yesAnnali di Matematica Pura ed Applicata, 1977
Usando metodi dell'analisi funzionale si ottengono teoremi di esistenza delle soluzioni di un'equazione della forma Lx+Nx=0 dove L e un operatore differenziale ordinario lineare autoaggiunto di ordine pari, positivo, mentre N e un operatore non necessariamente lineare.
Kannan, R., Schuur, J. D.
openaire   +2 more sources

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