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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 the motion described by the Navier-Stokes equations in a box with periodic boundary conditions. First we prove the existence of global strong two-dimensional solutions. Next we show the existence of global strong…

偏微分方程分析 · 数学 2014-06-04 Wojciech Zajączkowski , Ewa Zadrzyńska

We consider the initial value problem for the Navier-Stokes equations over $R^{3} \times [0,T]$ with a positive time $T$ in the spatially periodic setting. Identifying periodic vector-valued functions on $R^{3}$ with functions on the…

偏微分方程分析 · 数学 2021-06-10 Alexander Shlapunov , Nikolai Tarkhanov

In this article we study a system of equations that is known to {\em extend} Navier-Stokes dynamics in a well-posed manner to velocity fields that are not necessarily divergence-free. Our aim is to contribute to an understanding of the role…

偏微分方程分析 · 数学 2015-06-04 Gautam Iyer , Robert L. Pego , Arghir Zarnescu

The initial problem for the Navier-Stokes type equations over ${\mathbb R}^n \times [0,T]$, $n\geq 2$, with a positive time $T$ in the spatially periodic setting is considered. First, we prove that the problem induces an open injective…

偏微分方程分析 · 数学 2022-07-08 Alexander Shlapunov

Existence, uniqueness, and regularity of time-periodic solutions to the Navier-Stokes equations in the three-dimensional whole-space are investigated. We consider the Navier-Stokes equations with a non-zero drift term corresponding to the…

偏微分方程分析 · 数学 2015-06-17 Mads Kyed

The Navier-Stokes motions in cylindrical domain with Navier boundary conditions are considered. First the existence of global regular two-dimensional solutions are proved. The solutions are bounded by the same constant for all time.…

偏微分方程分析 · 数学 2015-10-15 Wojciech Zajaczkowski

We prove, with a more geometric approach, that the solutions to the Navier-Stokes equations are regular up to a set of Hausdorff dimension 1. The main tool for the proof is a new compactness lemma and the monotonicity property of harmonic…

偏微分方程分析 · 数学 2023-08-09 Lihe Wang

In this paper we first prove the existence and uniqueness of the solution to the stochastic Navier--Stokes equations on the rotating 2-dimensional sphere. Then we show the existence of an asymptotically compact random dynamical system…

偏微分方程分析 · 数学 2014-03-27 Zdzislaw Brzeźniak , Beniamin Goldys , Quoc Thong Le Gia

The Navier-Stokes motions in a box with periodic boundary conditions are considered. First the existence of global regular two-dimensional solutions is proved. The solutions are such that continuous with respect to time norms are controlled…

偏微分方程分析 · 数学 2016-06-16 Wojciech M. Zajaczkowski

This paper discussed the existence and uniqueness of the smoothing solution of the Navier-Stokes equations. At first, we construct the theory of the linear equations which is about the unknown four variables functions with constant…

偏微分方程分析 · 数学 2011-06-23 Jianfeng Wang

We study the two-dimensional stationary Navier-Stokes equations with rotating effect in the whole space. The unique existence and the asymptotics of solutions are obtained without the smallness assumption on the rotation parameter.

偏微分方程分析 · 数学 2017-03-23 Mitsuo Higaki , Yasunori Maekawa , Yuu Nakahara

This paper proposes a computer-assisted solution existence verification method for the stationary Navier-Stokes equation over general 3D domains. The proposed method verifies that the exact solution as the fixed point of the Newton…

数值分析 · 数学 2022-02-09 Xuefeng Liu , Mitsuhiro T. Nakao , Shin'ichi Oishi

In this paper, we give a sufficient condition to guarantee the existence of a smooth solution of the Navier-Stokes Equation with the nice decreasing properties at infinity. In this way, we prove the existence of smooth physically reasonable…

偏微分方程分析 · 数学 2024-12-10 Brian David Vasquez Campos

We consider the initial problem for the Navier-Stokes equations over ${\mathbb R}^3 \times [0,T]$ with a positive time $T$ over specially constructed scale of function spaces of Bochner-Sobolev type. We prove that the problem induces an…

偏微分方程分析 · 数学 2021-09-14 Alexander Shlapunov , Nikolai Tarkhanov

In this paper we give a proof of the existence of global regular solutions to the Fourier transformed Navier-Stokes system with small initial data in $\Phi(2)$ via an iteration argument. The proof of the regularity theorem is a minor…

偏微分方程分析 · 数学 2009-09-10 Jean Cortissoz

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

In this paper, we prove the existence and uniqueness of a smooth solution to a tamed 3D Navier-Stokes equation in the whole space. In particular, if there exists a bounded smooth solution to the classical 3D Navier-Stokes equation, then…

概率论 · 数学 2007-05-23 Michael Röckner , Xicheng Zhang

The planar Navier-Stokes equation exhibits, in absence of external forces, a trivial asymptotics in time. Nevertheless the appearence of coherent structures suggests non-trivial intermediate asymptotics which should be explained in terms of…

偏微分方程分析 · 数学 2015-05-13 E. Caglioti , M. Pulvirenti , F. Rousset

We consider the Navier-Stokes equations on thin 3D domains, supplemented mainly with purely periodic boundary conditions or with periodic boundary conditions in the thin direction and homogeneous Dirichlet conditions on the lateral…

chao-dyn · 物理学 2007-05-23 Dragos Iftimie , Genevieve Raugel
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