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In this paper, we study input-to-state (ISS) issues for damped wave equations with Dirichlet boundary conditions on a bounded domain of dimension two. The damping term is assumed to be non-linear and localized to an open subset of the…

Optimization and Control · Mathematics 2020-11-17 Meryem Kafnemer , Benmiloud Mebkhout , Yacine Chitour

In this paper we study the linear wave equation on an $n$-dimensional spatial domain. We show that there is a boundary triplet associated to the undamped wave equation. This enables us to characterise all boundary conditions for which the…

Optimization and Control · Mathematics 2015-11-09 Mikael Kurula , Hans Zwart

In this paper, we investigate the stability of the linear wave equation where one part of the boundary, which is seen as a lower-dimensional Riemannian manifold, is governed by a coupled wave equation, while the other part is subject to a…

Analysis of PDEs · Mathematics 2022-09-23 Nicolas Vanspranghe

We consider a damped linear hyperbolic system modelling the propagation of pressure waves in a network of pipes. Well-posedness is established via semi-group theory and the existence of a unique steady state is proven in the absence of…

Numerical Analysis · Mathematics 2016-05-11 Herbert Egger , Thomas Kugler

This article presents a new scheme for studying the dynamics of a quintic wave equation with nonlocal weak damping in a 3D smooth bounded domain. As an application, the existence and structure of weak, strong, and exponential attractors for…

Analysis of PDEs · Mathematics 2024-10-02 Feng Zhou , Hongfang Li , Kaixuan Zhu , Xinyu Mei

In this paper we study well-posedness and asymptotic stability for a class of nonlinear second-order evolution equations with intermittent delay damping. More precisely, a delay feedback and an undelayed one act alternately in time. We show…

Analysis of PDEs · Mathematics 2015-07-29 Genni Fragnelli , Cristina Pignotti

We consider the Cauchy problem for systems of semilinear wave equations in two space dimensions. We present a structural condition on the nonlinearity under which the energy decreases to zero as time tends to infinity if the Cauchy data are…

Analysis of PDEs · Mathematics 2015-10-13 Soichiro Katayama , Akitaka Matsumura , Hideaki Sunagawa

In this paper we study the behaviors of the energy of solutions of the wave equations with localized nonlinear damping in exterior domains.

Analysis of PDEs · Mathematics 2017-06-27 Moez Daoulatli

We study the initial value problem for a defocusing semi-linear wave equation with spatially growing nonlinearity. By employing Moser-Trudinger type inequalities and Strichartz estimates, we establish global well-posedness in the energy…

Analysis of PDEs · Mathematics 2025-04-04 Dhouha Draouil , Mohamed Majdoub

We consider a damped wave equation in a bounded domain. The damping is nonlinear and is homogeneous with degree p -- 1 with p > 2. First, we show that the energy of the strong solution in the supercritical case decays as a negative power of…

Analysis of PDEs · Mathematics 2022-04-26 Alain Haraux , Louis Tebou

In this paper, we investigate the stabilization of a locally coupled wave equations with local viscoelastic damping of past history type acting only in one equation via non smooth coefficients. First, using a general criteria of…

Analysis of PDEs · Mathematics 2021-05-12 Mohammad Akil , Haidar Badawi , Serge Nicaise , Ali Wehbe

We study the excitation and damping of tides in close binary systems, accounting for the leading order nonlinear corrections to linear tidal theory. These nonlinear corrections include two distinct effects: three-mode nonlinear interactions…

Solar and Stellar Astrophysics · Physics 2015-05-28 Nevin N. Weinberg , Phil Arras , Eliot Quataert , Josh Burkart

Large-time asymptotic properties of solutions to a class of semilinear stochastic wave equations with damping in a bounded domain are considered. First an energy inequality and the exponential bound for a linear stochastic equation are…

Probability · Mathematics 2007-05-23 Pao-Liu Chow

This work deals with the exponential stabilization of a system of three semilinear parabolic partial differential equations (PDEs), written in a strict feedforward form. The diffusion coefficients are considered distinct and the PDEs are…

Optimization and Control · Mathematics 2023-04-05 Constantinos Kitsos , Rami Katz , Emilia Fridman

This paper is concerned with the long-time dynamics of semilinear wave equation subject to dissipative boundary condition. To do so, we first analyze the set of equilibria, and show it could contain infinitely many elements. Second, we show…

Analysis of PDEs · Mathematics 2025-06-17 Zhe Jiao , Xiao Li

We consider the discretization of a semilinear damped wave equation arising, for instance, in the modeling of gas transport in pipeline networks. For time invariant boundary data, the solutions of the problem are shown to converge…

Numerical Analysis · Mathematics 2018-12-11 Herbert Egger , Thomas Kugler , Björn Liljegren-Sailer

In this paper, we consider the energy decay of a damped hyperbolic system of wave-wave type which is coupled through the velocities. We are interested in the asymptotic properties of the solutions of this system in the case of indirect…

Optimization and Control · Mathematics 2015-03-16 Fatiha Alabau-Boussouira , Zhiqiang Wang , Lixin Yu

We establish sharp energy decay rates for a large class of nonlinearly first-order damped systems, and we design discretization schemes that inherit of the same energy decay rates, uniformly with respect to the space and/or time…

Analysis of PDEs · Mathematics 2015-12-17 Fatiha Alabau-Boussouira , Yannick Privat , Emmanuel Trélat

We review asymptotic stability of solitary waves for nonlinear dispersive equations set on the line. Our focus is threefold: first, the nonlinear Schrodinger equation; second, the notion of full asymptotic stability (which states that…

Analysis of PDEs · Mathematics 2024-10-08 Pierre Germain

We consider semilinear wave equations with small initial data in two space dimensions. For a class of wave equations with cubic nonlinearity, we show the global existence of small amplitude solutions, and give an asymptotic description of…

Analysis of PDEs · Mathematics 2011-11-21 Soichiro Katayama , Daisuke Murotani , Hideaki Sunagawa