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Rigorous estimates for the total - (kinetic) energy plus pressure - flux in R^3 are obtained from the three dimensional Navier-Stokes equations. The bounds are used to establish a condition - involving Taylor length scale and the size of…

Analysis of PDEs · Mathematics 2015-05-27 R. Dascaliuc , Z. Grujic

We prove an $\epsilon$-regularity criterion for the 3D Navier-Stokes equations in terms of initial data. It shows that if a scaled local $L^2$ norm of initial data is sufficiently small around the origin, a suitable weak solution is regular…

Analysis of PDEs · Mathematics 2022-03-09 Kyungkeun Kang , Hideyuki Miura , Tai-Peng Tsai

We consider the viscous incompressible fluids in a three-dimensional horizontally periodic domain bounded below by a fixed smooth boundary and above by a free moving surface. The fluid dynamics are governed by the Navier-Stokes equations…

Analysis of PDEs · Mathematics 2024-04-30 Xing Cheng , Yunrui Zheng

We consider the 2D incompressible Navier-Stokes equation in a rectangle with the usual no-slip boundary condition prescribed on the upper and lower boundaries. We prove that for any positive time, for any finite energy initial data, there…

Analysis of PDEs · Mathematics 2019-10-30 Jean-Michel Coron , Frédéric Marbach , Franck Sueur , Ping Zhang

This is an expository paper on the theory of local regularity for weak solutions to the non-stationary 3D Navier-Stokes equations near the boundary of a domain.

Analysis of PDEs · Mathematics 2019-07-16 Gregory Seregin , Timofey Shilkin

We consider the incompressible Navier-Stokes equations in the cylinder $\R \times \T$, with no exterior forcing, and we investigate the long-time behavior of solutions arising from merely bounded initial data. Although we do not know if…

Analysis of PDEs · Mathematics 2013-08-08 Thierry Gallay , Sinisa Slijepcevic

We study the energy balance for weak solutions of the three-dimensional compressible Navier--Stokes equations in a bounded domain. We establish an $L^p$-$L^q$ regularity conditions on the velocity field for the energy equality to hold,…

Analysis of PDEs · Mathematics 2018-11-27 Robin Ming Chen , Zhilei Liang , Dehua Wang , Runzhang Xu

The energy equalities of compressible Navier-Stokes equations with general pressure law and degenerate viscosities are studied. By using a unified approach, we give sufficient conditions on the regularity of weak solutions for these…

Analysis of PDEs · Mathematics 2020-01-08 Quoc-Hung Nguyen , Phuoc-Tai Nguyen , Quoc Bao Tang

We establish several boundary $\varepsilon$-regularity criteria for suitable weak solutions for the 3D incompressible Navier-Stokes equations in a half cylinder with the Dirichlet boundary condition on the flat boundary. Our proofs are…

Analysis of PDEs · Mathematics 2018-12-27 Hongjie Dong , Kunrui Wang

In the study of local regularity of weak solutions to systems related to incompressible viscous fluids local energy estimates serve as important ingredients. However, this requires certain informations on the pressure. This fact has been…

Analysis of PDEs · Mathematics 2016-11-07 Joerg Wolf

We first show the equivalence of two classes of generalized suitable weak solutions to the 3D incompressible Navier-Stokes equations allowing distributional pressure, the class of dissipative weak solutions and local suitable weak…

Analysis of PDEs · Mathematics 2021-09-03 Hyunju Kwon

We study the regularity of the weak limit of a sequence of dissipative solutions to the Navier--Stokes equations when no assumptions is made on the behavior of the pressures.

Analysis of PDEs · Mathematics 2017-09-04 Diego Chamorro , Pierre Gilles Lemarié-Rieusset , Kawther Mayoufi

We study the incompressible stationary Navier-Stokes equations in the upper-half plane with homogeneous Dirichlet boundary condition and non-zero external forcing terms. Existence of weak solutions is proved under a suitable condition on…

Analysis of PDEs · Mathematics 2023-06-02 Adrian D. Calderon , Van Le , Tuoc Phan

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 · Physics 2007-05-23 Dragos Iftimie , Genevieve Raugel

We consider the three-dimensional incompressible Navier-Stokes equations in a bounded domain with Navier boundary conditions. We provide a sufficient condition for the absence of anomalous energy dissipation without making assumptions on…

Analysis of PDEs · Mathematics 2026-03-20 Claude Bardos , Daniel W. Boutros , Edriss S. Titi

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…

Analysis of PDEs · Mathematics 2022-03-09 Gregory Seregin

The purpose of this article is to establish bounds from below for the life span of regular solutions to the incompressible Navier-Stokes system, whichinvolve norms not only of the initial data, but also of nonlinear functions of the initial…

Analysis of PDEs · Mathematics 2018-05-23 Jean-Yves Chemin , Isabelle Gallagher

The local existence of solutions to nonhomogeneous Navier-Stokes equations in cylindrical domains with arbitrary large flux is demonstrated. The existence is proved by the method of successive approximations. To show the existence with the…

Analysis of PDEs · Mathematics 2024-02-08 Joanna Rencławowicz , Wojciech M. Zajączkowski

We study the partial regularity problem of the incompressible Navier--Stokes equations. In this paper, we show that a reverse H\"older inequality of velocity gradient with increasing support holds under the condition that a scaled…

Analysis of PDEs · Mathematics 2017-05-15 Hi Jun Choe , Minsuk Yang

In this paper we study the problem of energy conservation for the solutions of the initial boundary value problem associated to the 3D Navier-Stokes equations, with Dirichlet boundary conditions. First, we consider Leray-Hopf weak solutions…

Analysis of PDEs · Mathematics 2019-01-29 Luigi C. Berselli , Elisabetta Chiodaroli
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