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We consider the Navier-Stokes equations in $\mathbb R^d$ ($d=2,3$) with a stochastic forcing term which is white noise in time and coloured in space; the spatial covariance of the noise is not too regular, so It\^o calculus cannot be…

概率论 · 数学 2015-10-14 Zdzislaw Brzezniak , Benedetta Ferrario

We consider the inviscid limit of the stochastic damped 2D Navier- Stokes equations. We prove that, when the viscosity vanishes, the stationary solution of the stochastic damped Navier-Stokes equations converges to a stationary solution of…

概率论 · 数学 2013-07-30 H. Bessaih , B. Ferrario

We consider the Navier-Stokes equations in vorticity form in $\mathbb{R}^2$ with a white noise forcing term of multiplicative type, whose spatial covariance is not regular enough to apply the It\^o calculus in $L^q$ spaces, $1<q<\infty$. We…

概率论 · 数学 2018-03-06 Benedetta Ferrario , Margherita Zanella

Consider the unforced incompressible homogeneous Navier-Stokes equations on the $d$-torus $\mathbb{T}^d$ where $d\geq 4$ is the space dimension. It is shown that there exist nontrivial steady-state weak solutions $u\in L^{2}(\mathbb{T}^d)$.…

偏微分方程分析 · 数学 2019-03-27 Xiaoyutao Luo

The existence of suitable weak solutions of 3D Navier-Stokes equations, driven by a random body force, is proved. These solutions satisfy a local balance of energy. Moreover it is proved also the existence of a statistically stationary…

概率论 · 数学 2007-05-23 M. Romito

We review some basic results on existence and uniqueness of the invariant measure for the two-dimensional stochastic Navier-Stokes equations. A large part of the literature concerns the additive noise case; after revising these models, we…

概率论 · 数学 2025-01-06 Benedetta Ferrario , Margherita Zanella

In this paper we present a method to derive classical solutions of the Navier-Stokes equations for non-stationary initial value problems in domain $\mathbb{R}^n$ ($n=2,3$ or higher). Exact solutions in $\mathbb{R}^2$ and $\mathbb{R}^3$ in…

数学物理 · 物理学 2013-07-30 R. K. Michael Thambynayagam

We consider the 2d $\beta$-plane stochastic Navier-Stokes equations in a periodic channel. We prove the well-posedness and existence of the stationary measure, as well as certain regularity estimates concerning the support of the stationary…

偏微分方程分析 · 数学 2024-10-25 Yuri Cacchio' , Amirali Hannani , Gigliola Staffilani

In this paper, we consider the solvability of the two-dimensional stationary Navier--Stokes equations on the whole plane $\mathbb{R}^2$. In [6], it was proved that the stationary Navier--Stokes equations on $\mathbb{R}^2$ is ill-posed for…

偏微分方程分析 · 数学 2024-07-09 Mikihiro Fujii , Hiroyuki Tsurumi

This paper presents some progress toward an open question which proposed by Tsurumi (Arch. Ration. Mech. Anal. 234:2, 2019): whether or not the stationary Navier-Stokes equations in $\R^d$ is well-posed from $\dot{B}_{p, q}^{-2}$ to…

偏微分方程分析 · 数学 2022-06-02 Jinlu Li , Yanghai Yu , Weipeng Zhu

Existence of stationary point vortices solution to the damped and stochastically driven Euler's equation on the two dimensional torus is proved, by taking limits of solutions with finitely many vortices. A central limit scaling is used to…

概率论 · 数学 2019-01-23 Francesco Grotto

We prove the existence and some moment estimates for an invariant measure $\mu$ for the two-dimensional ($2$D) deterministic Euler equations on the unbounded domain $\mathbb R^2$ and with highly regular initial data. The result is achieved…

概率论 · 数学 2024-09-27 Zdzisław Brzeźniak , Matteo Ferrari

We prove existence of infinitely many stationary solutions as well as ergodic stationary solutions for the stochastic Navier-Stokes equations on $\mathbb{T}^2$ \begin{align*} \dif u+\div(u\otimes u)\dif t+\nabla p\dif t&=\Delta u\dif t +…

概率论 · 数学 2024-02-22 Huaxiang Lü , Xiangchan Zhu

We prove several Liouville type results for stationary solutions of the $d$-dimensional compressible Navier-Stokes equations. In particular, we show that when the dimension $d \geqslant 4$, the natural requirements $\rho \in L^{\infty}…

偏微分方程分析 · 数学 2012-09-18 Dong Li , Xinwei Yu

R\"ockner and Zhang in [27] proved the existence of a unique strong solution to a stochastic tamed 3D Navier-Stokes equation in the whole space and for the periodic boundary case using a result from [31]. In the latter case, they also…

偏微分方程分析 · 数学 2020-05-20 Zdzisław Brzeźniak , Gaurav Dhariwal

We prove that there exists a nontrivial finite energy periodic stationary weak solution to the 3D Navier-Stokes equations (NSE). The construction relies on a convex integration scheme utilizing new stationary building blocks designed…

偏微分方程分析 · 数学 2020-08-24 Alexey Cheskidov , Xiaoyutao Luo

In the classical work [FK], Fujita and Kato established the local existence of solutions to the 3D Navier-Stokes equations in the critical $\mathbb{H}^{1/2}$-space. In this paper, we are concerned with the global well-posedness of the…

概率论 · 数学 2026-03-10 Wei Hong , Shihu Li , Wei Liu

We consider stationary Navier-Stokes equations in R 3 with a regular external force and we prove exponential frequency decay of the solutions. Moreover, if the external force is small enough, we give a pointwise exponential frequency decay…

偏微分方程分析 · 数学 2017-12-18 Diego Chamorro , Oscar Jarrin , Pierre Gilles Lemarié-Rieusset

We study the long-time behavior of solutions to a stochastically driven Navier-Stokes system describing the motion of a compressible viscous fluid driven by a temporal multiplicative white noise perturbation. The existence of stationary…

概率论 · 数学 2017-03-10 Dominic Breit , Eduard Feireisl , Martina Hofmanova , Bohdan Maslowski

By using defect measures, we prove the existence of partially regular weak solutions to the stationary Navier-Stokes equations with external force $f \in L_{\text{loc}}^q \cap L^{3/2}, q>3$ in general open subdomains of $\mathbb{R}^6$.…

偏微分方程分析 · 数学 2022-06-13 Bian Wu
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