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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…

Analysis of PDEs · Mathematics 2015-06-19 Michael Winkler

In this paper, we study regularity of weak solutions to the incompressible Navier-Stokes equations in $\mathbb{R}^{3}\times (0,T)$. The main goal is to establish the regularity criterion via the gradient of one velocity component in…

Analysis of PDEs · Mathematics 2023-06-22 Ahmad M. Alghamdi , Sadek Gala , Maria Alessandra Ragusa

We consider a chemotaxis-Navier-Stokes system modelling cellular swimming in fluid drops where an exchange of oxygen between the drop and its environment is taken into account. This phenomenon results in an inhomogeneous Robin-type boundary…

Analysis of PDEs · Mathematics 2019-09-30 Marcel Braukhoff , Bao Quoc Tang

We study the regularity criteria for weak solutions to the $3D$ incompressible Navier--Stokes equations in terms of the geometry of vortex structures, taking into account the boundary effects. A boundary regularity theorem is proved on…

Analysis of PDEs · Mathematics 2019-06-11 Siran Li

We study the Serrin-type regularity criteria for the solutions to the four-dimensional Navier-Stokes equations and magnetohydrodynamics system. We show that the sufficient condition for the solution to the four-dimensional Navier-Stokes…

Analysis of PDEs · Mathematics 2015-04-10 Kazuo Yamazaki

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…

Analysis of PDEs · Mathematics 2022-11-30 Tobias Barker , Christophe Prange

This paper is concerned with the 3-dimensional two-species chemotaxis-Navier--Stokes system with Lotka--Volterra competitive kinetics under homogeneous Neumann boundary conditions and initial conditions. Recently, in the 2-dimensional…

Analysis of PDEs · Mathematics 2017-10-04 Misaki Hirata , Shunsuke Kurima , Masaaki Mizukami , Tomomi Yokota

In this paper, we investigate the global solvability of the chemotaxis-Navier-Stokes system on a three-dimensional moving domain of finite depth, bounded below by a rigid flat bottom and bounded above by the free surface. Completing the…

Analysis of PDEs · Mathematics 2021-03-09 Qianqian Hou

In this paper we consider the three-dimensional Navier-Stokes equations in infinite channel. We provide a regularity criterion for solutions of the three-dimensional Navier-Stokes equations in terms of the vertical component of the velocity…

Analysis of PDEs · Mathematics 2007-05-23 Chonsheng Cao , Junlin Qin , Edriss S. Titi

We study the Cauchy problem for the 3D Navier-Stokes equations, and prove some scalaring-invariant regularity criteria involving only one velocity component.

Analysis of PDEs · Mathematics 2018-07-10 Zujin Zhang

This paper is devoted to presenting new interior regularity criteria in terms of one velocity component for weak solutions to the Navier-Stokes equations in three dimensions. It is shown that the velocity is regular near a point $z$ if its…

Analysis of PDEs · Mathematics 2023-01-04 Kyungkeun Kang , Dinh Duong Nguyen

We investigate the uniform regularity and vanishing viscosity limit for the incompressible chemotaxis-Navier-Stokes system in a smooth bounded domain $\Omega\subset\mathbb{R}^3$. It is shown that there exists a unique strong solution of the…

Analysis of PDEs · Mathematics 2017-09-14 Zhipeng Zhang

This paper gives another version of results due to Raugel and Sell, and similar results due to Moise, Temam and Ziane, that state the following: the solution of the Navier-Stokes equation on a thin 3 dimensional domain with periodic…

Analysis of PDEs · Mathematics 2007-05-23 Stephen J. Montgomery-Smith

A chemotaxis-Navier-Stokes system is studied under dynamical boundary conditions in a bounded convex domain with smooth boundary. This models the interaction of populations of swimming bacteria with the surrounding fluid. The existence of a…

Analysis of PDEs · Mathematics 2023-06-08 Baili Chen

The micropolar fluid system is a model based on the Navier-Stokes equations which considers two coupled variables: the velocity field $\vec u$ and the microrotation field $\vec\omega$. Assuming an additional condition over the variable…

Analysis of PDEs · Mathematics 2024-06-06 Diego Chamorro , David Llerena

We study the regularity criteria of the three dimensional generalized MHD and Navier-Stokes systems. In particular, we show that the regularity criteria of the generalized MHD system may be reduced to depend only on two diagonal entries of…

Analysis of PDEs · Mathematics 2013-06-13 Kazuo Yamazaki

Several types of new regularity criteria for Leray-Hopf weak solutions $u$ to the 3D Navier-Stokes equations are obtained. Some of them are based on the third component $u_3$ of velocity under Prodi-Serrin index condition, another type is…

Analysis of PDEs · Mathematics 2013-03-13 Daoyuan Fang , Chenyin Qian

In this note, we investigate partial regularity of weak solutions of the three dimensional chemotaxis-Navier-Stokes equations, and obtain the $\frac53$-dimensional Hausdorff measure of the possible singular set is vanishing at the first…

Analysis of PDEs · Mathematics 2023-11-01 Xiaomeng Chen , Shuai Li , Wendong Wang

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…

Analysis of PDEs · Mathematics 2012-11-11 Daoyuan Fang , Chenyin Qian

In this paper, we investigate the 3D inhomogeneous Navier-Stokes flows with vacuum, and obtain regularity criteria and Liouville type theorems in the Lorentz space if a smooth solution $(\rho, \mathbf{u})$ satisfies suitable conditions.

Analysis of PDEs · Mathematics 2022-05-06 Jae-Myoung Kim
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