Results 41 to 50 of about 221 (109)

Existence and uniqueness for a coupled parabolic‐hyperbolic model of MEMS

open access: yesMathematical Methods in the Applied Sciences, Volume 47, Issue 7, Page 6310-6353, 15 May 2024.
Local wellposedness for a nonlinear parabolic‐hyperbolic coupled system modeling Micro‐Electro‐Mechanical System (MEMS) is studied. The particular device considered is a simple capacitor with two closely separated plates, one of which has motion modeled by a semilinear hyperbolic equation.
Heiko Gimperlein   +2 more
wiley   +1 more source

On the NBVP for semilinear hyperbolic equations

open access: yes, 2017
This paper is concerned with establishing the solvability of the nonlocal boundary value problem for the semilinear hyperbolic equation in a Hilbert space.
Necmettin Aggez, Gulay Yucel
core   +1 more source

Curvilinear parallelogram identity and mean-value property for a semilinear hyperbolic equation of second-order

open access: yes, 2023
In this paper, we discuss some of the important qualitative properties of solutions of second-order hyperbolic equations, whose coefficients of the terms involving the second-order derivatives are independent of the desired function and its derivatives ...
Rudzko, J. V., Korzyuk, V. I.
core   +1 more source

Conservation laws and variational structure of damped nonlinear wave equations

open access: yesMathematical Methods in the Applied Sciences, Volume 47, Issue 6, Page 3974-3996, April 2024.
All low‐order conservation laws are found for a general class of nonlinear wave equations in one dimension with linear damping which is allowed to be time‐dependent. Such equations arise in numerous physical applications and have attracted much attention in analysis.
Stephen C. Anco   +3 more
wiley   +1 more source

кристич [PDF]

open access: yes, 2014
кристи
кристич
core   +1 more source

Boundary value problems for nonlinear second‐order functional differential equations with piecewise constant arguments

open access: yesMathematical Methods in the Applied Sciences, Volume 47, Issue 5, Page 3547-3581, 30 March 2024.
In this paper, we consider a class of nonlinear second‐order functional differential equations with piecewise constant arguments with applications to a thermostat that is controlled by the introduction of functional terms in the temperature and the speed of change of the temperature at some fixed instants.
Sebastián Buedo‐Fernández   +2 more
wiley   +1 more source

Cosine methods for a class of semilinear second-order wave equations

open access: yes, 1990
We analyze fully discrete methods of fourth- or second-order temporal accuracy for the approximation of the solutions of a class of semilinear second-order hyperbolic equations with a nonlinear term ⨍ that depends on x, t, u, ut, ▿u.
Makridakis, Ch.G.
core   +1 more source

Linear and Nonlinear Perturbed Wave Equations

open access: yes, 2008
We consider several Cauchy problems for the wave equation with some perturbation. First of all, we consider the wave equation with a metric perturbation, that is, we consider the d'Alembert operator in the Schwarzschild metric (which is a model for a ...
CATANIA, DAVIDE
core  

A New Single Step Full Discrete Scheme for a Semilinear Second Order Hyperbolic Equation

open access: yes, 2011
In this paper, we study a simplified single step full discrete scheme for a class of semilinear hyperbolic problems of second order. At first we obtain a system of second ordinary differential equations with initial value by use of spatially discrete ...
Kang Deng
core   +1 more source

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