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相关论文: Linear Inviscid Damping for Couette Flow in Strati…

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We investigate the linear stability of shears near the Couette flow for a class of 2D incompressible stably stratified fluids. Our main result consists of nearly optimal decay rates for perturbations of stationary states whose velocities…

偏微分方程分析 · 数学 2021-01-07 Roberta Bianchini , Michele Coti Zelati , Michele Dolce

This short note provides explicit solutions to the linearized Boussinesq equations around the stably stratified Couette flow posed on $\mathbb{T}\times\mathbb{R}$. We consider the long-time behavior of such solutions and prove inviscid…

偏微分方程分析 · 数学 2023-09-20 Michele Coti Zelati , Marc Nualart

We consider the quantitative asymptotic stability of the stably stratified Couette flow solution to the 2D fully dissipative nonlinear Boussinesq system on $\mathbb{R}^2$ with large Richardson number $R > 1/4$, viscosity $\nu$ and density…

偏微分方程分析 · 数学 2025-03-11 Ryan Arbon

We study the linear asymptotic stability of stably stratified monotone shear flows for the Boussinesq equations in the periodic channel. By means of the limiting absorption principle, we obtain a precise description of the inviscid damping…

偏微分方程分析 · 数学 2025-11-03 Alberto Enciso , Marc Nualart

In this paper, we study the linear stability properties of perturbations around the homogeneous Couette flow for a 2D isentropic compressible fluid in the domain $\mathbb{T}\times \mathbb{R}$. In the inviscid case there is a generic…

偏微分方程分析 · 数学 2021-08-24 Paolo Antonelli , Michele Dolce , Pierangelo Marcati

We investigate the long-time properties of the two-dimensional inviscid Boussinesq equations near a stably stratified Couette flow, for an initial Gevrey perturbation of size $\varepsilon$. Under the classical Miles-Howard stability…

偏微分方程分析 · 数学 2021-03-26 Jacob Bedrossian , Roberta Bianchini , Michele Coti Zelati , Michele Dolce

In this paper, we investigate linear stability properties of the 2D isentropic compressible Euler equations linearized around a shear flow given by a monotone profile, close to the Couette flow, with constant density, in the domain…

偏微分方程分析 · 数学 2020-03-04 Paolo Antonelli , Michele Dolce , Pierangelo Marcati

We consider the long-time behavior of solutions to the two dimensional non-homogeneous Euler equations under the Boussinesq approximation posed on a periodic channel. We study the linearized system near a linearly stratified Couette flow…

偏微分方程分析 · 数学 2023-09-20 Michele Coti Zelati , Marc Nualart

We study the stability of special, stratified solutions of a 3d Boussinesq system describing an incompressible, inviscid 3d fluid with variable density (or temperature, depending on the context) under the effect of a uni-directional…

偏微分方程分析 · 数学 2020-01-22 Klaus Widmayer

We are concerned with the linear stability of the Couette flow for the non-isentropic compressible Navier-Stokes equations with vanished shear viscosity in a domain $\mathbb{T}\times \mathbb{R}$. For a general initial data settled in…

偏微分方程分析 · 数学 2021-07-08 Xiaoping Zhai

We prove the asymptotic stability of shear flows close to the Couette flow for the 2-D inhomogeneous incompressible Euler equations on $\mathbb{T}\times \mathbb{R}$. More precisely, if the initial velocity is close to the Couette flow and…

偏微分方程分析 · 数学 2023-03-28 Qi Chen , Dongyi Wei , Ping Zhang , Zhifei Zhang

We prove asymptotic stability of shear flows close to the planar Couette flow in the 2D inviscid Euler equations on $\Torus \times \Real$. That is, given an initial perturbation of the Couette flow small in a suitable regularity class,…

偏微分方程分析 · 数学 2014-04-23 Jacob Bedrossian , Nader Masmoudi

Consider inviscid fluids in a channel {-1<y<1}. For the Couette flow v_0=(y,0), the vertical velocity of solutions to the linearized Euler equation at v_0 decays in time. At the nonlinear level, such inviscid damping has not been proved.…

偏微分方程分析 · 数学 2015-05-18 Zhiwu Lin , Chongchun Zeng

In this work we study the long time, inviscid limit of the 2D Navier-Stokes equations near the periodic Couette flow, and in particular, we confirm at the nonlinear level the qualitative behavior predicted by Kelvin's 1887 linear analysis.…

偏微分方程分析 · 数学 2015-09-30 Jacob Bedrossian , Nader Masmoudi , Vlad Vicol

In this paper, we prove the linear damping for the 2-D Euler equations around a class of shear flows under the assumption that the linearized operator has no embedding eigenvalues. For the symmetric flows, we obtain the explicit decay…

偏微分方程分析 · 数学 2017-04-04 Dongyi Wei , Zhifei Zhang , Weiren Zhao

This paper extends the mathematical theory of axisymmetrization and vorticity depletion within the two-dimensional (2D) Euler equations, with an emphasis on the dynamics of radially symmetric, monotonic vorticity profiles. By analyzing…

流体动力学 · 物理学 2024-11-14 Rômulo Damasclin Chaves dos Santos

In this note we revisit the proof of Bedrossian and Masmoudi [arXiv:1306.5028] about the inviscid damping of planar shear flows in the 2D Euler equations under the assumption of zero mean perturbation. We prove that a small perturbation to…

偏微分方程分析 · 数学 2019-03-06 Michele Dolce

This note is devoted to the linear stability of the Couette flow for the non-isentropic compressible Euler equations in a domain $\mathbb{T}\times \mathbb{R}$. Exploiting the several conservation laws originated from the special structure…

偏微分方程分析 · 数学 2021-05-18 Xiaoping Zhai

This article explores the stability of stratified Couette flow in the viscous $3d$ Boussinesq equations. In this system, mixing effects arise from the shearing background, and gravity acts as a restoring force leading to dispersive internal…

偏微分方程分析 · 数学 2024-02-26 Michele Coti Zelati , Augusto Del Zotto , Klaus Widmayer

In this paper, we establish linear enhanced dissipation results for the three-dimensional Boussinesq equations around a stably stratified Couette flow, in the viscous and thermally diffusive setting. The dissipation rates are faster…

偏微分方程分析 · 数学 2023-09-13 Michele Coti Zelati , Augusto Del Zotto
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