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Rotation is a crucial characteristic of fluid flow in the atmosphere and oceans, which is present in nearly all meteorological and geophysical models. The global existence of solutions to the 3D Navier-Stokes equations with large rotation…

Analysis of PDEs · Mathematics 2024-09-30 Wenting Huang , Ying Sun , Xiaojing Xu

Rotation significantly influences the stability characteristics of both laminar and turbulent shear flows. This study examines the stability threshold of the three-dimensional Navier-Stokes equations with rotation, in the vicinity of the…

Analysis of PDEs · Mathematics 2024-12-17 Wenting Huang , Ying Sun , Xiaojing Xu

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…

Analysis of PDEs · Mathematics 2024-02-26 Michele Coti Zelati , Augusto Del Zotto , Klaus Widmayer

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

We prove a stability threshold theorem for 2D Navier-Stokes on three unbounded domains: the whole plane $\mathbb{R} \times \mathbb{R}$, the half plane $\mathbb{R} \times [0,\infty)$ with Navier boundary conditions, and the infinite channel…

Analysis of PDEs · Mathematics 2025-03-11 Ryan Arbon , Jacob Bedrossian

In this paper, we investigate the nonlinear stability of the Couette flow for the two-dimensional compressible Navier--Stokes equations at high Reynolds numbers ($Re$) regime. It was proved that if the initial data $(\rho_{in},u_{in})$…

Analysis of PDEs · Mathematics 2026-04-22 Minling Li , Chao Wang , Zhifei Zhang

Consider the linear stability of the three dimensional isentropic compressible Navier-Stokes equations on $\mathbb{T}\times\mathbb{R}\times\mathbb{T}$. We prove the enhanced dissipation phenomenon for the linearized isentropic compressible…

Analysis of PDEs · Mathematics 2021-05-24 Lan Zeng , Zhifei Zhang , Ruizhao Zi

Coriolis force effects on shear flows are important in geophysical and astrophysical contexts. We here report a study on the linear stability and the transient energy growth of the plane Couette flow with system rotation perpendicular to…

Fluid Dynamics · Physics 2014-01-29 Liang Shi , Bjoern Hof , Andreas Tilgner

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…

Analysis of PDEs · Mathematics 2023-09-13 Michele Coti Zelati , Augusto Del Zotto

In this paper, we study the nonlinear stability of a steady circular flow created between two rotating concentric cylinders. The dynamics of the viscous fluid are described by 2D Navier-Stokes equations. We adopt scaling variables. For the…

Analysis of PDEs · Mathematics 2022-01-03 Xinliang An , Taoran He , Te Li

In this paper, we investigate the asymptotic stability of the three-dimensional Couette flow in a stratified fluid governed by the Stokes-transport equation. We observe that a similar lift-up effect to the three-dimensional Navier-Stokes…

Analysis of PDEs · Mathematics 2024-05-21 Daniel Sinambela , Weiren Zhao , Ruizhao Zi

In this paper, we study the linear stability of Couette flow for 2D compressible Navier-Stokes-Poisson system at high Reynolds number in the domain $\mathbb{T}\times\mathbb{R}$ with initial perturbation in Sobolev spaces. We establish the…

Analysis of PDEs · Mathematics 2025-03-19 Yurui Lu , Xueke Pu

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

We study small disturbances to the periodic, plane Couette flow in the 3D incompressible Navier-Stokes equations at high Reynolds number $\textbf{Re}$. We prove that for sufficiently regular initial data of size $\epsilon \leq…

Analysis of PDEs · Mathematics 2015-06-12 Jacob Bedrossian , Pierre Germain , Nader Masmoudi

In this article we consider the 2D Navier-Stokes equations with variable viscosity depending on the vertical position. As our main result we establish linear enhanced dissipation near the non-affine stationary states replacing Couette flow.…

Analysis of PDEs · Mathematics 2021-10-22 Xian Liao , Christian Zillinger

In this paper, we develop a stability threshold theorem for the 2D incompressible Navier-Stokes equations on the channel, supplemented with the no-slip boundary condition. The initial datum is close to the Couette flow in the following…

Analysis of PDEs · Mathematics 2025-10-21 Jacob Bedrossian , Siming He , Sameer Iyer , Linfeng Li , Fei Wang

We establish the nonlinear stability threshold $O(\nu^{3/2})$ for the three-dimensional Couette flow governed by the compressible Navier--Stokes equations. While stability thresholds are well understood in two dimensions for both…

Analysis of PDEs · Mathematics 2026-05-11 Rui Li , Fei Wang , Lingda Xu , Zeren Zhang

In this paper, we obtain the optimal instability threshold of the Couette flow for Navier-Stokes equations with small viscosity $\nu>0$, when the perturbations are in the critical spaces $H^1_xL_y^2$. More precisely, we introduce a new…

Analysis of PDEs · Mathematics 2024-04-30 Hui Li , Nader Masmoudi , Weiren Zhao

This paper establishes the nonlinear stability of the Couette flow for the 2D Boussinesq equations with only vertical dissipation. The Boussinesq equations concerned here model buoyancy-driven fluids such as atmospheric and oceanographic…

Analysis of PDEs · Mathematics 2020-04-21 Wen Deng , Jiahong Wu , Ping Zhang

Structured on the paradigmatic Navier-Stokes flow model, we study a stochastically forced Taylor-Couette system in the narrow gap limit, in order to analyze the simultaneous impact of a non-conserved (Gaussian) force and a nonlinear…

Fluid Dynamics · Physics 2020-04-22 Larry E. Godwin , Sotos C. Generalis , Amit K. Chattopadhyay
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