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This paper investigates the existence and regularity of strong solutions to the incompressible Navier-Stokes equations within a bounded domain $\Omega \subset \mathbb{R}^3$, subject to the boundary condition $(u\cdot \vec{n})|_{\partial…

偏微分方程分析 · 数学 2023-07-25 Vu Thanh Nguyen

We consider the Cauchy problem to the axisymmetric Navier-Stokes equations. To prove an existence of global regular solutions we examine the Navier-Stokes equations near the axis of symmetry and far from it separately. We derive only a…

偏微分方程分析 · 数学 2026-02-05 Wiesław J. Grygierzec , Wojciech M. Zajączkowski

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 consider energy sub-critical defocusing nonlinear wave equations on $\mathbb{R}^3$ and establish the existence of unique global solutions almost surely with respect to a unit-scale randomization of the initial data on Euclidean space. In…

偏微分方程分析 · 数学 2016-03-24 Jonas Luhrmann , Dana Mendelson

We consider ionic electrodiffusion in fluids, described by the Nernst-Planck-Navier-Stokes system. We prove that the system has global smooth solutions for arbitrary smooth data: arbitrary positive Dirichlet boundary conditions for the…

偏微分方程分析 · 数学 2021-05-05 Peter Constantin , Mihaela Ignatova , Fizay-Noah Lee

We prove that bounded weak solutions of the compressible Euler equations will conserve thermodynamic entropy unless the solution fields have sufficiently low space-time Besov regularity. A quantity measuring kinetic energy cascade will also…

偏微分方程分析 · 数学 2018-04-16 Theodore D. Drivas , Gregory L. Eyink

We consider the Navier-Stokes equations in a bounded domain with periodic boundary conditions. Let $V=V(x,t)$ be the velocity of the fluid. The aim of this paper is to prove the bound $\|V(t)\|_{H^1}\le c$ for any $t\in\mathbb{R}_+$, where…

综合数学 · 数学 2020-09-17 Wojciech M. Zajaczkowski

The Nernst-Planck-Navier-Stokes system models electrodiffusion of ions in a fluid. We prove global existence of solutions in bounded domains in three dimensions with either blocking (no-flux) or uniform selective (special Dirichlet)…

偏微分方程分析 · 数学 2020-08-25 Peter Constantin , Mihaela Ignatova , Fizay-Noah Lee

We investigate weak Serrin-type blowup criterion of the three-dimensional full compressible Navier-Stokes equations for the Cauchy problem, Dirichlet problem and Navier-slip boundary condition. It is shown that the strong or smooth solution…

偏微分方程分析 · 数学 2024-12-23 Minghong Xie , Saiguo Xu , Yinghui Zhang

Heuristic derivations of the Navier-Stokes equations are unable to reveal the applicability limits of these equations. In this paper we rederive the Navier-Stokes equations from kinetic theory, using a method that affords a step by step…

流体动力学 · 物理学 2020-04-14 Peter Stubbe

In this paper, we will prove a regularity criterion that guarantees solutions of the Navier--Stokes equation must remain smooth so long as the the vorticity restricted to a plane remains bounded in the scale critical space $L^4_t L^2_x$,…

偏微分方程分析 · 数学 2021-10-08 Evan Miller

A three-dimensional chemotaxis-Navier-Stokes system is considered. It is known that for all suitably regular initial data, a corresponding initial-boundary value problem admits at least one global weak solution which can be obtained as the…

偏微分方程分析 · 数学 2015-06-19 Michael Winkler

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

In this paper, we study local regularity of the solutions to the Stokes equations near a curved boundary under no-slip or Navier boundary conditions. We extend previous boundary estimates near a flat boundary to that near a curved boundary,…

偏微分方程分析 · 数学 2025-10-23 Hui Chen , Su Liang , Tai-Peng Tsai

The present paper proves that all limit points of sequences of renormalized solutions of the Boltzmann equation in the limit of small, asymptotically equivalent Mach and Knudsen numbers are governed by Leray solutions of the Navier-Stokes…

偏微分方程分析 · 数学 2009-04-24 François Golse , Laure Saint-Raymond

A class of semi-bounded solutions of the two-dimensional incompressible Euler equations satisfying either periodic or Dirichlet boundary conditions is examined. For smooth initial data, new blowup criteria in terms of the initial concavity…

偏微分方程分析 · 数学 2014-09-30 Alejandro Sarria

We show that smallness of $\dot B^{-1}_{\infty,\infty}$ norm of solution to $d$-dimensional ($d\ge 3$) incompressible Navier-Stokes prevents blowups.

偏微分方程分析 · 数学 2016-09-12 Taoufik Hmidi , Dong Li

We establish some interior regularity criterions of suitable weak solutions for the 3-D Navier-Stokes equations, which allow the vertical part of the velocity to be large under the local scaling invariant norm. As an application, we improve…

偏微分方程分析 · 数学 2012-01-06 Wendong Wang , Zhifei Zhang

We point out some criteria that imply regularity of axisymmetric solutions to Navier-Stokes equations. We show that boundedness of $\|{v_{r}}/{\sqrt{r^3}}\|_{L_2({\rm R}^3\times (0,T))}$ as well as boundedness of…

偏微分方程分析 · 数学 2019-10-02 Joanna Rencławowicz , Wojciech M. Zajączkowski

The present paper aims at the investigation of the global stability of large solutions to the compressible Navier-Stokes equations in the whole space. Our main results and innovations can be concluded as follows: Under the assumption that…

偏微分方程分析 · 数学 2017-10-31 Lingbing He , Jingchi Huang , Chao Wang