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We prove short time regularity of suitable weak solutions of 3D incompressible Navier-Stokes equations near a point where the initial data is locally in $L^3$. The result is applied to the regularity problems of solutions with uniformly…

偏微分方程分析 · 数学 2018-12-31 Kyungkeun Kang , Hideyuki Miura , Tai-Peng Tsai

We study the regular sets of local energy solutions to the Navier-Stokes equations in terms of conditions on the initial data. It is shown that if a weighted $L^2$ norm of the initial data is finite, then all local energy solutions are…

偏微分方程分析 · 数学 2021-06-09 Kyungkeun Kang , Hideyuki Miura , Tai-Peng Tsai

In this paper, we are concerned with regularity of suitable weak solutions of the 3D Navier-Stokes equations in Lorentz spaces. We obtain $\varepsilon$-regularity criteria in terms of either the velocity, the gradient of the velocity, the…

偏微分方程分析 · 数学 2019-09-25 Yanqing Wang , Wei Wei , Huan Yu

We are concerned with the problem,originated from Seregin [18,19,20], what are minimal sufficiently conditions for the regularity of suitable weak solutions to the 3d Naiver-Stokes equations. We prove some interior regularity criteria, in…

偏微分方程分析 · 数学 2014-10-14 Yanqing Wang , Gang Wu

In this paper, by invoking the appropriate decomposition of pressure to exploit the energy hidden in pressure, we present some new $\varepsilon$-regularity criteria for suitable weak solutions of the 3D Navier-Stokes equations at one scale:…

偏微分方程分析 · 数学 2019-06-13 Cheng He , Yanqing Wang , Daoguo Zhou

We give a new concise proof of a certain one-scale epsilon regularity criterion using weak-strong uniqueness for solutions of the Navier-Stokes equations with non-zero boundary conditions. It is inspired by an analogous approach for the…

偏微分方程分析 · 数学 2023-06-07 Dallas Albritton , Tobias Barker , Christophe Prange

Forward self-similar and discretely self-similar weak solutions of the Navier-Stokes equations are known to exist globally in time for large self-similar and discretely self-similar initial data and are known to be regular outside of a…

偏微分方程分析 · 数学 2023-06-28 Zachary Bradshaw , Patrick Phelps

The system of three dimensional Navier-Stokes equations is considered. We obtain some new local energy bounds that enable us to improve several $\epsilon$-regularity criteria. They key idea here is to view the `head pressure' as a signed…

偏微分方程分析 · 数学 2017-02-03 Cristi Guevara , Nguyen Cong Phuc

In this paper, we consider the local regularity of suitable weak solutions to the 3D incompressible Navier-Stokes equations. By means of the local pressure projection introduced by Wolf in [15,16], we present a $\varepsilon$-regularity…

偏微分方程分析 · 数学 2019-05-01 Quansen Jiu , Yanqing Wang , Daoguo Zhou

It is shown that a local-in-time strong solution $u$ to the 3D Navier-Stokes equations remains regular on an interval $(0,T)$ provided a smallness $\epsilon_0$-condition on $u$ in a lower time-restricted local Morrey space is stipulated;…

偏微分方程分析 · 数学 2019-03-12 Zoran Grujic , Liaosha Xu

In this paper, we continue our work in [15] to derive {\epsilon}-regularity criteria at one scale without pressure for suitable weak solutions to the Navier-Stokes equations. We establish a $\varepsilon$-regularity criterion below of…

偏微分方程分析 · 数学 2018-11-27 Yanqing Wang , Gang Wu , Daoguo Zhou

In this paper, we establish $\varepsilon$-regularity criteria at one scale for suitable weak solutions to the five dimensional stationary incompressible Navier-Stokes equations in both the unit ball $B_1$ and the unit half ball $B_1^+$,…

偏微分方程分析 · 数学 2021-10-26 Xiufang Cui

In this paper, we establish some $\varepsilon$-regularity criteria in anisotropic Lebesgue spaces for suitable weak solutions to the 3D Navier-Stokes equations as follows: $$ \limsup\limits_{\varrho\rightarrow0}…

偏微分方程分析 · 数学 2019-04-24 Yanqing Wang , Gang Wu , Daoguo Zhou

In three previous papers by the two first authors, classes of initial data to the three dimensional, incompressible Navier-Stokes equations were presented, generating a global smooth solution although the norm of the initial data may be…

偏微分方程分析 · 数学 2008-07-09 Jean-Yves Chemin , Isabelle Gallagher , Marius Paicu

In this short survey paper, we focus on some new developments in the study of the regularity or potential singularity formation for solutions of the 3D Navier-Stokes equations. Some of the motivating questions are: Are certain norms…

偏微分方程分析 · 数学 2022-11-30 Tobias Barker , Christophe Prange

We prove that for initial data of the form \begin{equation}\nonumber u_0^\epsilon(x) = (v_0^h(x_\epsilon), \epsilon^{-1}v_0^n(x_\epsilon))^T,\quad x_\epsilon = (x_h, \epsilon x_n)^T, n \geq 4, \end{equation} the Cauchy problem of the…

偏微分方程分析 · 数学 2015-04-09 Yukang Chen , Bin Han , Zhen Lei

In this note we investigate interior regularity criteria for suitable weak solutions to the 3D Naiver-Stokes equations, and obtain the solutions are regular in the interior if the $L^p_tL_x^q(Q_1)$ norm of the velocity is sufficiently…

偏微分方程分析 · 数学 2023-05-02 Shuai Li , Wendong Wang , Daoguo Zhou

We formulate a new criterion for regularity of a suitable weak solution v to the Navier-Stokes equations at the space-time point (x_0,t_0). The criterion imposes a Serrin-type integrability condition on v only in a backward neighbourhood of…

偏微分方程分析 · 数学 2015-06-17 Jiri Neustupa

We present some new regularity criteria for ``suitable weak solutions'' of the Navier-Stokes equations near the boundary in dimension three. We prove that suitable weak solutions are H\"older continuous up to the boundary provided that the…

偏微分方程分析 · 数学 2007-05-23 Stephen Gustafson , Kyungkeun Kang , Tai-Peng Tsai

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…

偏微分方程分析 · 数学 2021-09-03 Hyunju Kwon
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