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We examine the large-time behaviour of solutions to the compressible Navier-Stokes equations under the assumption of radial symmetry. In particular, we calculate a fast time-decay estimate of the norm of the nonlinear part of the solution.…

偏微分方程分析 · 数学 2024-01-04 Tsukasa Iwabuchi , Dáithí Ó hAodha

We develop the asymptotic behavior for the solutions to the stationary Navier-Stokes equation in the exterior domain of the 2D hyperbolic space. More precisely, given the finite Dirichlet norm of the velocity, we show the velocity decays to…

偏微分方程分析 · 数学 2017-05-25 Chi Hin Chan , Che-Kai Chen , Magdalena Czubak

We use the vorticity formulation to study the long-time behavior of solutions to the Navier-Stokes equation on R^3. We assume that the initial vorticity is small and decays algebraically at infinity. After introducing self-similar…

偏微分方程分析 · 数学 2016-09-07 Th. Gallay , C. E. Wayne

The long-time regularity and asymptotic of weak solutions are studied for compressible Navier-Stokes equations with degenerate viscosity in a bounded periodic domain in two and three dimensions. It is shown that the density keeps strictly…

偏微分方程分析 · 数学 2022-04-27 Zhilei Liang

We study the asymptotic behavior of an incompressible fluid around a bounded obstacle. The problem is modeled by the stationary Navier-Stokes equations in an exterior domain in $\R^n$ with $n\ge 2$. We will show that, under some…

偏微分方程分析 · 数学 2010-08-25 Ching-Lung Lin , Gunther Uhlmann , Jenn-Nan Wang

The Navier-Stokes equations for viscous, incompressible fluids are studied in the three-dimensional periodic domains, with the body force having an asymptotic expansion, when time goes to infinity, in terms of power-decaying functions in a…

偏微分方程分析 · 数学 2018-03-16 Dat Cao , Luan Hoang

We study the three-dimensional Navier--Stokes equations of rotating incompressible viscous fluids with periodic boundary conditions. The asymptotic expansions, as time goes to infinity, are derived in all Gevrey spaces for any Leray-Hopf…

偏微分方程分析 · 数学 2020-07-02 Luan T. Hoang , Edriss S. Titi

The asymptotic behavior of the vorticity for the steady incompressible Navier-Stokes equations in a two-dimensional exterior domain is described in the case where the velocity at infinity $\boldsymbol{u}_{\infty}$ is nonzero. It is well…

偏微分方程分析 · 数学 2018-03-12 Julien Guillod , Peter Wittwer

Consider any Leray-Hopf weak solution of the three-dimensional Navier-Stokes equations for incompressible, viscous fluid flows. We prove that any Lagrangian trajectory associated with such a velocity field has an asymptotic expansion, as…

偏微分方程分析 · 数学 2020-09-11 Luan Hoang

Asymptotic expansions of global solutions to the incompressible Navier-Stokes equation as $t$ tends to infinity with high-order is studied and large-time behavior of the expansion is clarified. Furthermore, far field asymptotics also is…

偏微分方程分析 · 数学 2018-04-06 Masakazu Yamamoto

We consider wave equations with a special type of log-fractional damping. We study the Cauchy problem for this model in the whole space, and we obtain an asymptotic profile and optimal estimates of solutions as time goes to infinity in…

偏微分方程分析 · 数学 2022-10-06 Ruy Coimbra Charão , Ryo Ikehata

We prove space-time decay estimates of suitable weak solutions to the Navier-Stokes Cauchy problem, corresponding to a given asymptotic behavior of the initial data of the same order of decay. We use two main tools. The first is a result…

数学物理 · 物理学 2016-03-23 Francesca Crispo , Paolo Maremonti

We study the long-time behaviour of axisymmetric solutions without swirl for the threedimensional Navier-Stokes equations in the whole space. Assuming that the initial vorticity is sufficiently localised, we compute explicitly the leading…

偏微分方程分析 · 数学 2022-08-10 Quentin Vila

This work is concerned with the large time behavior of solutions to the barotropic compressible Navier-Stokes equations in $\mathbb{R}^{d}(d\geq2)$. Precisely, it is shown that if the initial density and velocity additionally belong to some…

偏微分方程分析 · 数学 2021-02-24 Zhouping Xin , Jiang Xu

We consider coupled system of Keller-Segel type equations and the incompressible Navier-Stokes equations in spatial dimension two. We show temporal decay estimates of solutions with small initial data and obtain their asymptotic profiles as…

偏微分方程分析 · 数学 2014-03-18 Myeongju Chae , Kyungkeun Kang , Jihoon Lee

We consider an elliptic equation with unbounded drift in an exterior domain, and obtain quantitative uniqueness estimates at infinity, i.e. the non-trivial solution of $-\triangle u+W\cdot\nabla u=0$ decays in the form of…

偏微分方程分析 · 数学 2020-01-03 Yueyang Men , Wendong Wang , Lingling Zhao

Starting from isentropic compressible Navier-Stokes equations with growth term in the continuity equation, we rigorously justify that performing an incompressible limit one arrives to the two-phase free boundary fluid system.

偏微分方程分析 · 数学 2017-07-27 Nicolas Vauchelet , Ewelina Zatorska

The global existence issue for the isentropic compressible Navier-Stokes equations in the critical regularity framework has been addressed in [7] more than fifteen years ago. However, whether (optimal) time-decay rates could be shown in…

偏微分方程分析 · 数学 2016-12-21 Raphaël Danchin , Jiang Xu

In this paper, we study the asymptotic behavior of solutions to the compressible Navier-Stokes system considered on a sequence of spatial domains, whose boundaries exhibit fast oscillations with amplitude and characteristic wave length…

We consider weak (''Leray'') solutions to the stationary Navier-Stokes system with Oseen and rotational terms, in an exterior domain. It is shown the velocity may be split into a constant times the first column of the fundamental solution…

偏微分方程分析 · 数学 2015-11-16 Paul Deuring , Stanislav Kracmar , Sarka Necasova
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