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Related papers: Asymptotic stability for the Couette flow in the 2…

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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…

Analysis of PDEs · Mathematics 2023-03-28 Qi Chen , Dongyi Wei , Ping Zhang , Zhifei Zhang

The nonlinear asymptotic stability of shear flows in the 2D Euler equations has traditionally been linked to inviscid damping in the periodic setting. Since Gevrey regularity is required to suppress the ``echo'' phenomenon, asymptotic…

Analysis of PDEs · Mathematics 2026-03-23 Dengjun Guo , Xiaoyutao Luo

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…

Analysis of PDEs · Mathematics 2020-03-04 Paolo Antonelli , Michele Dolce , Pierangelo Marcati

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,…

Analysis of PDEs · Mathematics 2014-04-23 Jacob Bedrossian , Nader Masmoudi

We prove nonlinear asymptotic stability of a large class of monotonic shear flows among solutions of the 2D Euler equations in the channel $\mathbb{T}\times[0,1]$. More precisely, we consider shear flows $(b(y),0)$ given by a function $b$…

Analysis of PDEs · Mathematics 2020-01-10 Alexandru D. Ionescu , Hao Jia

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…

Analysis of PDEs · Mathematics 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…

Analysis of PDEs · Mathematics 2021-05-18 Xiaoping Zhai

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…

Analysis of PDEs · Mathematics 2021-01-07 Roberta Bianchini , Michele Coti Zelati , Michele Dolce

We study the asymptotic behavior and the asymptotic stability of the two-dimensional Euler equations and of the two-dimensional linearized Euler equations close to parallel flows. We focus on spectrally stable jet profiles $U(y)$ with…

Statistical Mechanics · Physics 2015-05-13 Freddy Bouchet , Hidetoshi Morita

We prove asymptotic stability of shear flows in a neighborhood of the Couette flow for the 2D Euler equations in the domain $\T\times[0,1]$. More precisely we prove that if we start with a small and smooth perturbation (in a suitable Gevrey…

Analysis of PDEs · Mathematics 2019-10-02 Alexandru Ionescu , Hao Jia

In this paper, we investigate the asymptotic stability threshold problem for the 2-D Navier-Stokes equations in a finite channel with no-slip boundary conditions, around monotone shear flow $(U(t,y),0)$. We establish that the flow is…

Analysis of PDEs · Mathematics 2026-03-03 Zhen Li , Shunlin Shen , Zhifei Zhang

In this paper, we provide a classification of steady solutions to two-dimensional incompressible Euler equations in terms of the set of flow angles. The first main result asserts that the set of flow angles of any bounded steady flow in the…

Analysis of PDEs · Mathematics 2024-05-27 Changfeng Gui , Chunjing Xie , Huan Xu

This paper is devoted to the study of nonlinear stability of steady incompressible Euler flows in two dimensions. We prove that a steady Euler flow is nonlinearly stable in $L^p$ norm of the vorticity if its stream function is a semistable…

Analysis of PDEs · Mathematics 2021-10-18 Guodong Wang

In this paper, we study the stability two-dimensional (2D) steady Euler flows with sharply concentrated vorticity in a simply-connected bounded domain. These flows are obtained as maximizers of the kinetic energy subject to the constraint…

Analysis of PDEs · Mathematics 2023-05-16 Guodong Wang

In this note, we investigate the stability property of shear flows under the 2D stationary Navier-Stokes equations, and we obtain that the Couette flow $(y,0)$ is stable under the space of $\mathcal{D}^{1,q}(\mathbb{R}^2)$ for any…

Analysis of PDEs · Mathematics 2019-05-21 Wendong Wang

In this paper we reveal the existence of a large family of new, nontrivial and smooth traveling waves for the 2D Euler equation at an arbitrarily small distance from the Couette flow in $H^s$, with $s<3/2$, at the level of the vorticity.…

Analysis of PDEs · Mathematics 2021-11-08 Ángel Castro , Daniel Lear

In this paper, we investigate nonlinear stability of planar steady Euler flows related to least energy solutions of the Lane-Emden equation in a smooth bounded domain. We prove the orbital stability of these flows in terms of both the $L^s$…

Analysis of PDEs · Mathematics 2023-04-26 Guodong Wang

In this paper, we study the nonlinear asymptotic stability of Couette flow for the two-dimensional Navier-Stokes equation with small viscosity $\nu>0$ in $\mathbb{T}\times\mathbb{R}$. It's generally known the nonlinear asymptotic stability…

Analysis of PDEs · Mathematics 2022-09-01 Hui Li , Nader Masmoudi , Weiren Zhao

Significant advancements have emerged in the theory of asymptotic stability of shear flows in stably stratified fluids. In this comprehensive review, we spotlight these recent developments, with particular emphasis on novel approaches that…

Analysis of PDEs · Mathematics 2023-09-25 Roberta Bianchini , Michele Coti Zelati , Michele Dolce

In this paper we show that steady states $u$ of the pressureless Euler equation which belong to $L^3_{loc}(\mathbb{R}^2,\mathbb{R}^2)$ are shear flows. This is achieved by combining results of degenerate Monge-Amp\`ere-type equations with…

Analysis of PDEs · Mathematics 2026-03-04 Riccardo Tione
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