English
Related papers

Related papers: Sharp decay estimates and asymptotic behaviour for…

200 papers

We consider 3D micropolar flows with possible vanishing spin viscosity and investigate the decay of the energy for large times. We compute first the exact $L^2$-asymptotic profile, as $t\to+\infty$, for solutions to the linear 3D micropolar…

In this paper, we consider the asymptotic behavior of global solutions to 3D anisotropic incompressible MHD systems. For the 3D MHD system with horizontal dissipation and full magnetic diffusion, it is shown that $\uh(t)$ decays at the rate…

Analysis of PDEs · Mathematics 2022-07-15 Yang Li

In this paper, we investigate the decay properties of axially symmetric solutions to the steady incompressible magnetohydrodynamic equations in $\mathbb{R}^3$ with finite Dirichlet integral. We first derive the decay rates of general…

Analysis of PDEs · Mathematics 2022-03-23 Shangkun Weng , Yan Zhou

We examine the long-time behavior of solutions (and their derivatives) to the micropolar equations with nonlinear velocity damping. Additionally, we get a speed-up gain of $ t^{1/2} $ for the angular velocity, consistent with established…

Analysis of PDEs · Mathematics 2024-03-20 Cilon F. Perusato , Franco D. Vega

In this paper we investigate the asymptotic behavior and decay of the solution of the discrete in time $N$-dimensional heat equation. We give a convergence rate with which the solution tends to the discrete fundamental solution, and the…

Analysis of PDEs · Mathematics 2021-02-23 Edgardo Alvarez , Luciano Abadias

This paper is concerned with the stability and large-time behavior of 3D incompressible MHD equations with only vertical dissipation near a background magnetic field. By making full use of the dissipation generated by the background…

Analysis of PDEs · Mathematics 2024-03-13 Suhua Lai , Jiahong Wu , Jianwen Zhang , Xiaokui Zhao

In this article, we use the decay character of initial data to compare the energy decay rates of solutions to different compressible approximations to the Navier-Stokes equations. We show that the system having a nonlinear damping term has…

Analysis of PDEs · Mathematics 2015-01-12 Cesar J. Niche , Maria E. Schonbek

We consider the long time behavior of solutions to the magnetohydrodynamics equations in two and three spatial dimensions. It is shown that in the absence of magnetic diffusion, if strong bounded solutions were to exist their energy cannot…

Analysis of PDEs · Mathematics 2007-05-23 Ruben Agapito , Maria Schonbek

In this paper we explore the extent to which discretely self-similar (DSS) solutions to the 3D Navier-Stokes equations with rough data almost have the same asymptotics as DSS flows with smoother data. In a previous work, we established…

Analysis of PDEs · Mathematics 2024-09-23 Zachary Bradshaw , Patrick Phelps

We obtain some important fundamental inequalities concerning the long time behavior of high order derivatives for solutions of some dissipative systems in terms of their $L^2$ algebraic decay. Some of these inequalities have not been…

Analysis of PDEs · Mathematics 2022-06-24 P. Braz e Silva , R. Guterres , C. F. Perusato , P. R. Zingano

We consider an abstract second order evolution equation with damping. The "elastic" term is represented by a self-adjoint nonnegative operator A with discrete spectrum, and the nonlinear term has order greater than one at the origin. We…

Analysis of PDEs · Mathematics 2014-11-26 Marina Ghisi , Massimo Gobbino , Alain Haraux

We consider an abstract linear wave equation with a time-dependent dissipation that decays at infinity with the so-called scale invariant rate, which represents the critical case. We do not assume that the coefficient of the dissipation…

Analysis of PDEs · Mathematics 2024-02-16 Marina Ghisi , Massimo Gobbino

In this paper, we are concerned with the 2D damped wave-type magnetohydrodynamic system (abbreviated as MHD-wave system). The purpose of this paper is to study the large time behavior of solutions to the MHD-wave system, espesically to…

Analysis of PDEs · Mathematics 2024-11-05 Yaowei Xie , Huan Yu

We consider a two dimensional electroconvection model which consists of a nonlinear and nonlocal system coupling the evolutions of a charge distribution and a fluid. We show that the solutions decay in time in $L^2(\Rr^2)$ at the same sharp…

Analysis of PDEs · Mathematics 2022-07-15 Elie Abdo , Mihaela Ignatova

In this paper, we study the decay rates for the global small smooth solutions to 3D anisotropic incompressible Navier-Stokes equations. In particular, we prove that the horizontal components of the velocity field decay like the solutions of…

Analysis of PDEs · Mathematics 2021-07-15 L. Xu , P. Zhang

This paper is concerned with the asymptotic properties of the small data solutions to the massless Vlasov-Maxwell system in $3d$. We use vector field methods to derive almost optimal decay estimates in null directions for the…

Analysis of PDEs · Mathematics 2020-12-14 Léo Bigorgne

In \cite{ChCa}, Califano and Chiuderi conjectured that the energy of incompressible Magnetic hydrodynamical system is dissipated at a rate that is independent of the ohmic resistivity. The goal of this paper is to mathematically justify…

Analysis of PDEs · Mathematics 2018-07-04 Wen Deng , Ping Zhang

In this paper, we investigative the large time decay and stability to any given global smooth solutions of the $3$D incompressible inhomogeneous MHD systems. We proved that given a solution $(a, u, B)$ of (\ref{mhd_a}), the velocity field…

Analysis of PDEs · Mathematics 2014-11-03 Junxiong Jia , Jigen Peng , Kexue Li

This paper is concerned with the asymptotic behaviors of global strong solutions to the incompressible non-resistive viscous magnetohydrodynamic (MHD) equations with large initial perturbations in two-dimensional periodic domains in…

Analysis of PDEs · Mathematics 2021-02-16 Fei Jiang , Song Jiang

Califano-Chiuderi \cite{CC} gave the numerical observation that the energy of the MHD equations is dissipated at a rate independent of the ohmic resistivity, which was first proved by \cite{RWXZ}[Ren et al., J. Funct. Anal., 2014] (the…

Analysis of PDEs · Mathematics 2023-05-17 Renhui Wan
‹ Prev 1 2 3 10 Next ›