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We establish the global well-posedness for two-dimensional inhomogeneous, incompressible, anisotropic Navier-Stokes systems. Two specific models are analyzed: one with partial dissipation (referred to as (AINS)) and one with only horizontal…

偏微分方程分析 · 数学 2026-03-18 Hammadi Abidi , Guilong Gui , Ping Zhang

In this paper, we mainly study the global strong solutions and its long time decay rates of all order spatial derivatives to a micro-macro model for compressible polymeric fluids with small initial data. This model is a coupling of…

偏微分方程分析 · 数学 2022-10-31 Wenjie Deng , Wei Luo , Zhaoyang Yin

In this paper, we solve Lions' open problem: {\it the uniqueness of weak solutions for the 2-D inhomogeneous Navier-Stokes equations (INS)}. We first prove the global existence of weak solutions to 2-D (INS) with bounded initial density and…

偏微分方程分析 · 数学 2024-07-01 Tiantian Hao , Feng Shao , Dongyi Wei , Zhifei Zhang

We consider the flow of a generalized non-Newtonian incompressible heat-conducting fluid in a~bounded two-dimensional domain, subject to Dirichlet boundary conditions for velocity and temperature. The fluid obeys a power-law constitutive…

偏微分方程分析 · 数学 2026-03-18 Miroslav Bulíček , Petr Kaplický , Lucie Wintrová

This paper is devoted to the incompressible Magenetohydrodynamic equations in $\R^3$. We prove that if the difference between the magnetic field and the velocity is small initially then it will remain forever, thus results in global strong…

偏微分方程分析 · 数学 2015-06-16 Cheng He , Xiangdi Huang , Yun Wang

In this paper, we prove the existence of global weak solutions to the compressible two-fluid Navier-Stokes equations in three dimensional space. The pressure depends on two different variables from the continuity equations. We develop an…

偏微分方程分析 · 数学 2017-10-17 Alexis Vasseur , Huanyao Wen , Cheng Yu

We prove the global existence and uniqueness of the classical (weak) solution for the 2D or 3D compressible Navier-Stokes equations with a density-dependent viscosity coefficient ($\lambda=\lambda(\rho)$). Initial data and solutions are…

偏微分方程分析 · 数学 2009-04-13 Ting Zhang

We establish the incompressible Navier--Stokes limit for the discrete velocity model of the Boltzmann equation in any dimension of the physical space, for densities which remain in a suitable small neighborhood of the global Maxwellian.…

可精确求解与可积系统 · 物理学 2007-05-23 A. Bellouquid

In this note, we show the existence of regular solutions to the stationary version of the Navier-Stokes system for compressible fluids with a density dependent viscosity, known as the shallow water equations. For arbitrary large forcing we…

偏微分方程分析 · 数学 2016-07-15 Šimon Axmann , Piotr B. Mucha , Milan Pokorný

In this paper, we investigative the large time decay and stability to any given global smooth solutions of the $3$D incompressible inhomogeneous MHD systems. We proved that given a solution $(a, u, B)$ of (\ref{mhd_a}), the velocity field…

偏微分方程分析 · 数学 2014-11-03 Junxiong Jia , Jigen Peng , Kexue Li

We study the large-time behavior of finite-energy weak solutions for the Vlasov-Navier-Stokes equations in a two-dimensional torus. We focus first on the homogeneous case where the ambient (incompressible and viscous) fluid carrying the…

偏微分方程分析 · 数学 2025-12-02 Raphaël Danchin , Ling-Yun Shou

We construct large velocity vector solutions to the three dimensional inhomogeneous Navier-Stokes system. The result is proved via the stability of two dimensional solutions with constant density, under the assumption that initial density…

偏微分方程分析 · 数学 2019-01-29 Piotr B. Mucha , Liutang Xue , Xiaoxin Zheng

In this paper we take a new approach to a proof of existence and uniqueness of solutions for the 3D-Navier-Stokes equations, which leads to essentially the same proof for both bounded and unbounded domains and for homogeneous or…

数学物理 · 物理学 2014-05-15 Tepper L. Gill , Daniel Williams , Woodford W. Zachary

Existence of local-in-time unique solution and loss of smoothness of full Magnet-Hydro-Dynamics system (MHD) is considered for periodic initial data. The result is proven using Fujita-Kato's method in $\ell^1$ based (for the Fourier…

偏微分方程分析 · 数学 2011-09-29 Slim Ibrahim , Tsuyoshi Yoneda

Given solenoidal vector $u_0\in H^{-2\d}\cap H^1(\R^2),$ $\r_0-1\in L^2(\R^2),$ and $\r_0 \in L^\infty\cap\dot{W}^{1,r}(\R^2)$ with a positive lower bound for $\d\in (0,\f12)$ and $2<r<\f{2}{1-2\d},$ we prove that 2-D incompressible…

偏微分方程分析 · 数学 2013-01-14 Hammadi Abidi , Ping Zhang

We obtain the global large solutions to the compressible Navier-Stokes equations in $\mathbb{R}^2$. The solution is large in the sense that there is no smallness assumption applied to one component of the initial incompressible velocity.

偏微分方程分析 · 数学 2019-10-25 Xiaoping Zhai , Zhi-Min Chen

In this paper, we investigate an initial-boundary value problem for a chemotaxis-fluid system in a general bounded regular domain $\Omega \subset \mathbb{R}^N$ ($N\in\{2,3\}$), not necessarily being convex. Thanks to the elementary lemma…

偏微分方程分析 · 数学 2023-07-28 Jie Jiang , Hao Wu , Songmu Zheng

We find a global a priori estimate for solutions to the Navier-Stokes equations with periodic boundary conditions guaranteeing in view of the Serrin type condition the existence of global regular solutions. We derive the following estimate…

偏微分方程分析 · 数学 2019-07-23 Wojciech M. Zajaczkowski

We study in this article the solutions of the Navier-Stokes equations, with initial data in the closure of the Schwartz class in BMO-1. For such intial data, we obtain the existence and uniqueness of a global solution, and an estimate on…

偏微分方程分析 · 数学 2007-05-23 Pierre Germain

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…

偏微分方程分析 · 数学 2023-06-02 Adrian D. Calderon , Van Le , Tuoc Phan