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We study the two-dimensional stationary Navier-Stokes equations describing the flows around a rotating obstacle. The unique existence of solutions and their asymptotic behavior at spatial infinity are established when the rotation speed of…

偏微分方程分析 · 数学 2018-01-17 Mitsuo Higaki , Yasunori Maekawa , Yuu Nakahara

This paper is a continuation of [26]. Here theorems on conditional uniqueness and regularity for solutions to stochastic Navier-Stokes equations in $\mathbb R^d$ are presented.

概率论 · 数学 2025-03-27 István Gyöngy , Nicolai V. Krylov

We consider a stochastic perturbation of the $\alpha$-Navier-Stokes model. The stochastic perturbation is an additive space-time noise of trace class. Under a natural condition about the trace of operator $Q$ in front of the noise, we prove…

概率论 · 数学 2020-05-26 Ludovic Goudenège , Luigi Manca

In the paper we prove the existence results for initial-value boundary value problems for compressible isothermal Navier-Stokes equations. We restrict ourselves to 2D case of a problem with no-slip condition for nonstationary motion of…

偏微分方程分析 · 数学 2014-07-11 P. I. Plotnikov , W. Weigant

We construct solutions to the randomly-forced Navier--Stokes--Poisson system in periodic three-dimensional domains or in the whole three-dimensional Euclidean space. These solutions are weak in the sense of PDEs and also weak in the sense…

偏微分方程分析 · 数学 2020-05-04 Donatella Donatelli , Pierangelo Marcati , Prince Romeo Mensah

This work is devoted to the study of non-Newtonian fluids of grade three on two-dimensional and three-dimensional bounded domains, driven by a nonlinear multiplicative Wiener noise. More precisely, we establish the existence and uniqueness…

概率论 · 数学 2024-02-27 Yassine Tahraoui , Fernanda Cipriano

We consider in a smooth and bounded two dimensional domain the convergence in the $L^2$ norm, uniformly in time, of the solution of the stochastic Navier-Stokes equations with additive noise and no-slip boundary conditions to the solution…

偏微分方程分析 · 数学 2021-11-30 Eliseo Luongo

The purpose of this paper is to study the vanishing viscosity limit for the d-dimensional Navier--Stokes equations in the whole space: \begin{equation*} \begin{cases} \partial_tu^\varepsilon+u^\varepsilon\cdot \nabla…

偏微分方程分析 · 数学 2023-07-14 Jinlu Li , Yanghai Yu , Weipeng Zhu

In this paper, by using classical Faedo-Galerkin approximation and compactness method, the existence of martingale solutions for the stochastic 3D Navier-Stokes equations with nonlinear damping is obtained. The existence and uniqueness of…

偏微分方程分析 · 数学 2016-08-30 Hui Liu , Hongjun Gao

In this paper, we prove global existence of weak solutions for the stationary compressible Navier-Stokes equations with an anisotropic and nonlocal viscous term in a periodic domain. This gives an answer to an open problem important for…

偏微分方程分析 · 数学 2020-04-10 D. Bresch , Cosmin Burtea

Considering the stochastic Navier-Stokes system in $\mathbb{R}^d$ forced by a multiplicative white noise, we establish the local existence and uniqueness of the strong solution when the initial data take values in the critical space…

偏微分方程分析 · 数学 2017-12-07 Lihuai Du , Ting Zhang

We establish a new Liouville-type theorem for the stationary Navier--Stokes equations in $\mathbb{R}^3$. The main result is an improvement of the previous result with a logarithmic factor based on an understanding of $L^p$ growth of the…

偏微分方程分析 · 数学 2026-03-26 Youseung Cho , Minsuk Yang

We consider the stationary Navier-Stokes equations on the whole plane $\mathbb{R}^2$. We show that for a given small and smooth external force around a radial flow, there exists a classical solution decaying like $|x|^{-1}$. In our result,…

偏微分方程分析 · 数学 2022-04-29 Yasunori Maekawa , Hiroyuki Tsurumi

We consider vanishing viscosity approximations to solutions of the stochastic incompressible Euler equations in two space dimensions with additive noise. We identify sufficient and necessary conditions under which martingale solutions of…

概率论 · 数学 2025-02-26 Tobias Rohner , Franziska Weber

In this paper we prove Liouville type theorem for the stationary Navier-Stokes equations in $\Bbb R^3$ under the assumptions on the relative decays of velocity, pressure and the head pressure. More precisely, we show that any smooth…

偏微分方程分析 · 数学 2020-05-01 Dongho Chae

We study the stationary nonhomogeneous Navier--Stokes problem in a two dimensional symmetric domain with a semi-infinite outlet (for instance, either parabo-\\loidal or channel-like). Under the symmetry assumptions on the domain, boundary…

偏微分方程分析 · 数学 2015-05-28 M. Chipot , K. Kaulakyt , K. Pileckas , W. Xue

We consider the incompressible and stationary Stokes equations on an infinite two-dimensional wedge with non-scaling invariant Navier-slip boundary conditions. We prove well-posedness and higher regularity of the Stokes problem in a certain…

偏微分方程分析 · 数学 2024-07-23 Marco Bravin , Manuel V. Gnann , Hans Knüpfer , Nader Masmoudi , Floris B. Roodenburg , Jonas Sauer

In this paper we study the existence of stationary solutions for stochastic partial differential equations. We establish a new connection between $L_{\rho}^2({\mathbb{R}^{d}};{\mathbb{R}^{1}}) \otimes…

概率论 · 数学 2008-11-13 Qi Zhang , Huaizhong Zhao

Regularization by noise for certain classes of fluid dynamic equations, a theme dear to Giuseppe Da Prato (see G. Da Prato and A. Debussche, Ergodicity for the 3D stochastic Navier-Stokes equations, J. Math. Pures Appl., 2003), is reviewed…

概率论 · 数学 2020-05-20 Luigi Amedeo Bianchi , Franco Flandoli

We study long-term behavior and stationary distributions for stochastic heat equations forced simultaneously by a multiplicative noise and an independent additive noise with the same distribution. We prove that nontrivial space-time…

概率论 · 数学 2025-04-24 Alexander Dunlap , Chiranjib Mukherjee