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Related papers: On a damped nonlinear beam equation

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We prove a global well-posedness result for defocusing nonlinear Schrodinger equations with time dependent potential. We then focus on time dependent harmonic potentials. This aspect is motivated by Physics (Bose--Einstein condensation),…

Analysis of PDEs · Mathematics 2011-09-22 Rémi Carles

This paper is concerned with the asymptotic behavior of the solution to the Euler equations with time-depending damping on quadrant $(x,t)\in \mathbb{R}^+\times\mathbb{R}^+$, \begin{equation}\notag \partial_t v - \partial_x u=0, \qquad…

Analysis of PDEs · Mathematics 2017-08-31 Haibo Cui , Haiyan Yin , Changjiang Zhu , Limei Zhu

In this study, we examine the asymptotic behavior of solutions to nonlinear Schr\"{o}dinger equations with time-dependent harmonic oscillators and prove the time-decay property of solutions in the case of a long range power type…

Mathematical Physics · Physics 2020-07-07 Masaki Kawamoto , Ryo Muramatsu

This paper is devoted to the study of asymptotic behaviors of solutions to the one-dimensional defocusing semilinear wave equation. We prove that finite energy solution tends to zero in the pointwise sense, hence improving the averaged…

Analysis of PDEs · Mathematics 2020-03-30 Dongyi Wei , Shiwu Yang

We consider the Cauchy problem for doubly non-linear degenerate parabolic equations on Riemannian manifolds of infinite volume, or in $\R^N$. The equation contains a weight function as a capacitary coefficient which we assume to decay at…

Analysis of PDEs · Mathematics 2019-05-28 Daniele Andreucci , Anatoli F. Tedeev

This article concerns time-periodic solutions to a two-dimensional Sellers-type energy balance model coupled to the three-dimensional primitive equations via a dynamic boundary condition. It is shown that the underlying equations admit at…

Analysis of PDEs · Mathematics 2025-12-05 Gianmarco Del Sarto , Matthias Hieber , Filippo Palma , Tarek Zöchling

Cracks in beams and shallow arches are modeled by massless rotational springs. First, we introduce a specially designed linear operator that "absorbs" the boundary conditions at the cracks. Then the equations of motion are derived from the…

Analysis of PDEs · Mathematics 2021-10-22 Semion Gutman , Junhong Ha , Sudeok Shon

In this paper, we are concerned with the asymptotic behavior of solutions of M1 model on quadrant. From this model, combined with damped compressible Euler equations, a more general system is introduced. We show that the solutions to the…

Analysis of PDEs · Mathematics 2021-12-21 Nangao Zhang , Changjiang Zhu

In this paper we investigate the behavior of a family of steady state solutions of a nonlinear reaction diffusion equation when some reaction and potential terms are concentrated in a $\epsilon$-neighborhood of a portion $\Gamma$ of the…

Analysis of PDEs · Mathematics 2015-06-04 Gleiciane S. Aragão , Antônio L. Pereira , Marcone C. Pereira

As a profound example of spontaneous motion, we analyze the motion of a camphor particle on a water surface. The motion is modeled as an initial-boundary value problem for a coupled nonlinear system of a diffusion equation and an ordinary…

Analysis of PDEs · Mathematics 2020-01-09 Jishan Fan , Masaharu Nagayama , Gen Nakamura , Masaaki Uesaka

Starting from delay equations that model field retardation effects, we study the origin of runaway modes that appear in the solutions of the classical equations of motion involving the radiation reaction force. When retardation effects are…

General Relativity and Quantum Cosmology · Physics 2007-05-23 C. Chicone , S. M. Kopeikin , B. Mashhoon , D. G. Retzloff

In this article, we investigate the blow-up for local solutions to a semilinear wave equation in the generalized Einstein - de Sitter spacetime with nonlinearity of derivative type. More precisely, we consider a semilinear damped wave…

Analysis of PDEs · Mathematics 2022-06-22 Makram Hamouda , Mohamed Ali Hamza , Alessandro Palmieri

We consider a kinetic equation describing evolution of a particle distribution function in a system with nonlinear wave-particle interactions (trappings into a resonance and nonlinear scatterings). We study properties of its solutions and…

Plasma Physics · Physics 2019-05-22 A. V. Artemyev , A. I. Neishtadt , A. A. Vasiliev

We consider the asymptotic behavior of the soltion to the wave equation with time-dependent damping and analytic nonlinearity. Our main goal is to prove the convergence of a global solution to an equilibrium as time goes to infinity by…

Analysis of PDEs · Mathematics 2013-09-11 Zhe Jiao

We prove integrated local energy decay for solutions of the damped wave equation with time-dependent damping satisfying an appropriate generalization of the geometric control condition on asymptotically flat, stationary space-times. We…

Analysis of PDEs · Mathematics 2025-11-10 Perry Kleinhenz , Michael McNulty

We consider the evolution of open planar curves by the steepest descent flow of a geometric functional, under different boundary conditions. We prove that, if any set of stationary solutions with fixed energy is finite, then a solution of…

Analysis of PDEs · Mathematics 2013-06-07 Matteo Novaga , Shinya Okabe

Nonstationary and nonequilibrium processes are considered on the basis of an Enskog-Landau kinetic equation using a boundary conditions method. A nonstationary solution of this equation is found in the pair collision approximation. This…

Plasma Physics · Physics 2007-05-23 A. E. Kobryn , I. P. Omelyan , M. V. Tokarchuk

We study the global well-posedness and asymptotic behavior for a semilinear damped wave equation with Neumann boundary conditions, modelling a one-dimensional linearly elastic body interacting with a rigid substrate through an adhesive…

Following the methodology of [Brasco and Volzone, Adv. Math. 2022], we study the long-time behavior for the signed Fractional Porous Medium Equation in open bounded sets with smooth boundary. Homogeneous exterior Dirichlet boundary…

Analysis of PDEs · Mathematics 2023-02-09 Giovanni Franzina , Bruno Volzone

We consider an abstract nonlinear second order evolution equation, inspired by some models for damped oscillations of a beam subject to external loads or magnetic fields, and shaken by a transversal force. When there is no external force,…

Analysis of PDEs · Mathematics 2017-10-24 Marina Ghisi , Massimo Gobbino , Alain Haraux