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The aim of this contribution is to make a connection between two recent results concerning the dynamics of vortices in incompressible planar flows. The first one is an asymptotic expansion, in the vanishing viscosity limit, of the solution…

偏微分方程分析 · 数学 2012-12-10 Thierry Gallay

The inhomogeneous incompressible Navier-Stokes equations with fractional Laplacian dissipations in the multi-dimensional whole space are considered. The existence and uniqueness of global strong solution with vacuum are established for…

偏微分方程分析 · 数学 2018-06-13 Dehua Wang , Zhuan Ye

This paper investigates the Cauchy problem for the compressible pressureless Navier-Stokes system in $\mathbb{R}^d$ with $d \geq 2$. Unlike the standard isentropic compressible Navier-Stokes system, the density in the pressureless model…

偏微分方程分析 · 数学 2025-11-05 Fucai Li , Jinkai Ni , Zhipeng Zhang

We address the system of partial differential equations modeling motion of an elastic body interacting with an incompressible fluid. The fluid is modeled by the incompressible Navier-Stokes equations while the structure is represented by a…

偏微分方程分析 · 数学 2022-08-30 Igor Kukavica , Wojciech S. Ożański

Classical Navier-Stokes equations fail to predict shock wave profiles accurately. In this paper, the Navier-Stokes system is fully transformed using a velocity variable transformation. The transformed equations termed the re-casted…

流体动力学 · 物理学 2021-09-16 M. H. Lakshminarayana Reddy , S. Kokou Dadzie

We revise the steady vortex surface theory following the recent finding of asymmetric vortex sheets (AM,2021). These surfaces avoid the Kelvin-Helmholtz instability by adjusting their discontinuity and shape. The vorticity collapses to the…

流体动力学 · 物理学 2021-09-22 Alexander Migdal

In this paper we present an improved lattice Boltzmann model for compressible Navier-Stokes system with high Mach number. The model is composed of three components: (i) the discrete-velocity-model by Watari and Tsutahara [Phys Rev E…

软凝聚态物质 · 物理学 2009-11-13 Yanbiao Gan , Aiguo Xu , Guangcai Zhang , Xijun Yu , Yingjun Li

This paper studies the incompressible limit of global strong solutions to the three-dimensional compressible Navier-Stokes equations associated with Navier's slip boundary condition, provided that the time derivatives, up to first order, of…

偏微分方程分析 · 数学 2013-09-03 Yaobin Ou , Dandan Ren

We investigate the large-time behavior of solutions to an outflow problem of the full compressible Navier-Stokes equations in the half line. The non-degenerate stationary solution is shown to be asymptotically stable under large initial…

偏微分方程分析 · 数学 2020-09-24 Ling Wan , Tao Wang , Qingyang Zou

The nonhomogeneous Navier-Stokes equations with density-dependent viscosity is studied in three-dimensional (3D) exterior domains with nonslip or slip boundary conditions. We prove that the strong solutions exists globally in time provided…

偏微分方程分析 · 数学 2022-05-13 Guocai Cai , Boqiang Lü , Yi Peng

We study the two-dimensional Navier-Stokes system on a flat cylinder with the usual Dirichlet boundary conditions for the velocity field u. We formulate the problem as an infinite system of ODE's for the natural Fourier components of the…

数学物理 · 物理学 2016-02-11 Carlo Boldrighini , Paolo Buttà

This paper is the first part of a work which consists in proving the stabilization to zero of a fluid-solid system, in dimension 2 and 3. The considered system couples a deformable solid and a viscous incompressible fluid which satisfies…

偏微分方程分析 · 数学 2014-01-06 Sébastien Court

We are concerned with the barotropic compressible Navier-Stokes equations on the real line. Our primary goal is to establish the global well-posedness in a critical regularity framework in the case where the initial data are small…

偏微分方程分析 · 数学 2026-03-17 Raphaël Danchin

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

We show that in bounded domains with no-slip boundary conditions, the Navier-Stokes pressure can be determined in a such way that it is strictly dominated by viscosity. As a consequence, in a general domain we can treat the Navier-Stokes…

偏微分方程分析 · 数学 2007-05-23 Jian-Guo Liu , Jie Liu , Robert L. Pego

In this paper, we study the isothermal gas dynamics. We first establish the global existence of strong solutions to the one-dimensional isothermal Navier-Stokes system for smooth initial data without any smallness conditions, assuming that…

偏微分方程分析 · 数学 2025-05-22 Saehoon Eo , Namhyun Eun , Moon-Jin Kang , HyeonSeop Oh

The instability of a liquid film in a nanotube is significantly influenced by van der Waals forces. A theoretical framework based on the axisymmetric Stokes equations is developed to investigate their effects through linear stability…

流体动力学 · 物理学 2026-04-08 Yixiao Mao , Chengxi Zhao , Yixin Zhang , Kai Mu , Ting Si

We study the nonlinear stability of the two-dimensional Navier-Stokes equations around the Couette shear flow in the channel domain $\mathbb{R}\times[-1,1]$ subject to Navier slip boundary conditions. We establish a quantitative stability…

偏微分方程分析 · 数学 2025-09-04 Tao Liang , Jiahong Wu , Xiaoping Zhai

We prove existence of a unique global-in-time weak solutions of the Navier-Stokes equations that govern the motion of a compressible viscous fluid with density-dependent viscosity in two-dimensional space. The initial velocity belongs to…

偏微分方程分析 · 数学 2024-09-18 Sagbo Marcel Zodji

We establish global well-posedness of strong solutions for the nonhomogeneous magnetohydrodynamic equations with density-dependent viscosity and initial density allowing vanish in two-dimensional (2D) bounded domains. Applying delicate…

偏微分方程分析 · 数学 2024-06-19 Xin Zhong