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We give a geometric approach to proving know regularity and existence theorems for the 2D Navier-Stokes Equations. We feel this point of view is instructive in better understanding the dynamics. The technique is inspired by constructions in…

偏微分方程分析 · 数学 2016-09-07 J. C. Mattingly , Ya. G. Sinai

In this article, we establish sufficient conditions for the regularity of solutions of Navier-Stokes equations based on one of the nine entries of the gradient tensor. We improve the recently results of C.S. Cao, E.S. Titi (Arch. Rational…

偏微分方程分析 · 数学 2012-11-11 Daoyuan Fang , Chenyin Qian

In this paper we investigate the uniqueness of solutions of the steady planar Navier-Stokes equations with different boundary conditions in the exterior domain. For a class of incompressible flow with constant vorticity, we prove the…

偏微分方程分析 · 数学 2022-06-30 Zhengguang Guo , Wendong Wang

A modified version of the three dimensional Navier-Stokes equations is considered with periodic boundary conditions. A bounded constant delay is introduced into the convective term, that produces a regularizing effect on the solution. In…

偏微分方程分析 · 数学 2018-08-01 Hakima Bessaih , María J. Garrido-Atienza , Björn Schmalfuss

We obtain logarithmic improvements for conditions for regularity of the Navier-Stokes equation, similar to those of Prodi-Serrin or Beale-Kato-Majda. Some of the proofs make use of a stochastic approach involving Feynman-Kac like…

偏微分方程分析 · 数学 2013-06-04 Stephen Montgomery-Smith

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

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

The existence of singular solutions of the incompressible Navier-Stokes system with singular external forces, the existence of regular solutions for more regular forces as well as the asymptotic stability of small solutions (including…

偏微分方程分析 · 数学 2007-05-23 Marco Cannone , Grzegorz Karch

This work obtains a fixed-point equation for the solution of linear parabolic partial differential problems based on solutions to heat problems. This is a pointwise equality, so we have required non-standard techniques that involve the…

偏微分方程分析 · 数学 2025-05-29 Inmaculada Gayte Delgado , Irene Marín Gayte

We show the existence of strong solutions in Sobolev-Slobodetskii spaces to the stationary compressible Navier-Stokes equations with inflow boundary condition. Our result holds provided certain condition on the shape of the boundary around…

偏微分方程分析 · 数学 2019-11-13 Piotr B. Mucha , Tomasz Piasecki

We survey the various constructions of forward self-similar solutions (and generalizations of self-similar solutions) to the Navier-Stokes equations. We also include and prove an extension of a recent result from [7].

偏微分方程分析 · 数学 2018-02-02 Zachary Bradshaw , Tai-Peng Tsai

We consider here the stationary Micropolar fluid equations which are a particular generalization of the usual Navier-Stokes system where the microrotations of the fluid particles must be taken into account. We thus obtain two coupled…

偏微分方程分析 · 数学 2023-11-10 Diego Chamorro , David Llerena , Gastón Vergara-Hermosilla

In the paper, a new {\it slightly supercritical} condition, providing {\it local} regularity of axially symmetric solutions to the non-stationary 3D Navier-Stokes equations, is discussed. It generalises almost all known results in the local…

偏微分方程分析 · 数学 2022-03-09 Gregory Seregin

Regularity properties of strong solutions are considered.

偏微分方程分析 · 数学 2012-09-04 Michael Z. Zgurovsky , Pavlo O. Kasyanov

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 paper, we study the regularity problem of the 3D incompressible Navier\~nStokes equations. We prove that the strong solution exists globally for new regularity criteria. For negligible forces, we give an improvement of the known…

偏微分方程分析 · 数学 2014-03-18 Abdelhafid Younsi

The present article establishes connections between the structure of the deterministic Navier-Stokes equations and the structure of (similarity) equations that govern self-similar solutions as expected values of certain naturally associated…

偏微分方程分析 · 数学 2015-06-24 Radu Dascaliuc , Nicholas Michalowski , Enrique Thomann , Edward C. Waymire

We give conditions for regularity of solutions of three dimensional incompressible Navier-Stokes equations based on the pressure and on structure functions.

偏微分方程分析 · 数学 2023-04-26 Peter Constantin

The paper is aimed at analysing a singular perturbation of the Navier-Stokes equations on a compact closed manifold. The case of compact smooth manifolds with boundary under the Dirichlet conditions is also included. Global existence and…

偏微分方程分析 · 数学 2019-06-25 Alexander Shlapunov , Nikolai Tarkhanov

In this paper we study the stochastic Navier-Stokes equation with artificial compressibility. The main results of this work are the existence and uniqueness theorem for strong solutions and the limit to incompressible flow. These results…

概率论 · 数学 2010-12-07 Utpal Manna , Jose-Luis Menaldi , Sivaguru S. Sritharan
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