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In this paper, we are concerned with the global wellposedness of 2-D density-dependent incompressible Navier-Stokes equations with variable viscosity, in a critical functional frame- work which is invariant by the scaling of the equations…

偏微分方程分析 · 数学 2012-12-18 Jingchi Huang , Marius Paicu , Ping Zhang

Consider the equations of Navier-Stokes in $\R^3$ in the rotational setting, i.e. with Coriolis force. It is shown that this set of equations admits a unique, global mild solution provided the initial data is small with respect to the norm…

偏微分方程分析 · 数学 2012-05-09 Daoyuang Fang , Bin Han , Matthias Hieber

This paper studies the dynamics of two incompressible immiscible fluids in 2D modeled by the inhomogeneous Navier-Stokes equations. We prove that if initially the viscosity contrast is small then there is global-in-time regularity. This…

偏微分方程分析 · 数学 2022-08-02 Francisco Gancedo , Eduardo Garcia-Juarez

The chemotaxis-Navier-Stokes system linking the chemotaxis equations \[ n_t + u\cdot\nabla n = \Delta n - \nabla \cdot (n\chi(c)\nabla c) \] and \[ c_t + u\cdot\nabla c = \Delta c-nf(c) \] to the incompressible Navier-Stokes equations, \[…

偏微分方程分析 · 数学 2015-06-23 Michael Winkler

We deal with the barotropic compressible Navier-Stokes equations subject to large external potential forces with slip boundary condition in a 3D simply connected bounded domain, whose smooth boundary has a finite number of 2D connected…

偏微分方程分析 · 数学 2021-02-26 Guocai Cai , Bin Huang , Xiaoding Shi

In this paper, we give an overview of the results established in [3] which provides the first rigorous derivation of hydrodynamic equations from the Boltzmann equation for inelastic hard spheres in 3D. In particular, we obtain a new system…

偏微分方程分析 · 数学 2022-05-04 Ricardo J. Alonso , Bertrand Lods , Isabelle Tristani

The Navier-Stokes-Fourier system is a well established model for describing the motion of viscous compressible heat-conducting fluids. We study the existence of time-periodic weak solutions and improve the known result in the following…

偏微分方程分析 · 数学 2014-04-08 Simon Axmann , Milan Pokorny

We consider a full Navier-Stokes and $Q$-tensor system for incompressible liquid crystal flows of nematic type. In the two dimensional periodic case, we prove the existence and uniqueness of global strong solutions that are uniformly…

偏微分方程分析 · 数学 2023-07-28 Cecilia Cavaterra , Elisabetta Rocca , Hao Wu , Xiang Xu

We are concerned with the three dimensional incompressible Navier--Stokes equations driven by an additive stochastic forcing of trace class. First, for every divergence free initial condition in $L^{2}$ we establish existence of infinitely…

概率论 · 数学 2022-02-22 Martina Hofmanová , Rongchan Zhu , Xiangchan Zhu

We consider the interaction of a compressible fluid with a flexible plate in two space dimensions. The fluid is described by the Navier--Stokes equations in a domain that is changing in accordance with the motion of the structure. The…

偏微分方程分析 · 数学 2024-11-05 Dominic Breit , Arnab Roy

We consider solutions of the Navier-Stokes equations in $3d$ with vortex filament initial data of arbitrary circulation, that is, initial vorticity given by a divergence-free vector-valued measure of arbitrary mass supported on a smooth…

偏微分方程分析 · 数学 2022-05-18 Jacob Bedrossian , Pierre Germain , Benjamin Harrop-Griffiths

We show by explicit construction that for every solution of the incompressible Navier-Stokes equation in $p+1$ dimensions, there is a uniquely associated "dual" solution of the vacuum Einstein equations in $p+2$ dimensions. The dual…

高能物理 - 理论 · 物理学 2017-08-23 Irene Bredberg , Cynthia Keeler , Vyacheslav Lysov , Andrew Strominger

The purpose of this work is to investigate the Cauchy problem of global-in-time existence of large strong solutions to the Navier-Stokes equations for compressible viscous and heat conducting fluids. A class of density-dependent viscosity…

偏微分方程分析 · 数学 2024-12-04 Yachun Li , Peng Lu , Zhaoyang Shang , Shaojun Yu

The present work aims to revisit the simplifications made in the Navier-Stokes equations for the flow between two cylinders with a small thickness of lubricating oil film. Through a dimensionless analysis, the terms of these equations are…

流体动力学 · 物理学 2021-10-01 J. A. Mota , D. J. G. Maldonado , J. V. Valério , T. G. Ritto

The incompressible Navier-Stokes equations coupled to the Maxwell-Stefan relations for the molar fluxes are analyzed in bounded domains with no-flux boundary conditions. The system models the dynamics of a multicomponent gaseous mixture…

偏微分方程分析 · 数学 2013-10-15 Xiuqing Chen , Ansgar Jüngel

The present paper is dedicated to the global well-posedness for the 3D inhomogeneous incompressible Navier-Stokes equations, in critical Besov spaces without smallness assumption on the variation of the density. We aim at extending the work…

偏微分方程分析 · 数学 2016-08-09 Xiaoping Zhai , Zhaoyang Yin

This is the first of two papers concerning the asymptotic behavior of the incompressible Navier-Stokes equations in a half-space at high Reynolds numbers, with initial data given by a point vortex. In the present work, we establish the…

偏微分方程分析 · 数学 2026-04-08 Chao Wang , Jingchao Yue , Zhifei Zhang

In this paper, we investigate a system coupled by nonhomogeneous incompressible Navier-Stokes equations and Allen-Cahn equations describing a diffuse interface for two-phase flow of viscous fluids with different densities in a bounded…

偏微分方程分析 · 数学 2025-03-06 Yinghua Li , Wenlin Ye

In this paper we study a finite-depth layer of viscous incompressible fluid in dimension $n \ge 2$, modeled by the Navier-Stokes equations. The fluid is assumed to be bounded below by a flat rigid surface and above by a free, moving…

偏微分方程分析 · 数学 2021-07-22 Giovanni Leoni , Ian Tice

We study the zero viscosity and heat conductivity limit of an initial boundary problem for the linearized Navier-Stokes-Fourier equations of a compressible viscous and heat conducting fluid in the half plane. We consider the case that the…

偏微分方程分析 · 数学 2014-02-07 Yutao Ding , Ning Jiang