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We investigate the hydrostatic approximation of a hyperbolic version of Navier-Stokes equations, which is obtained by using Cattaneo type law instead of Fourier law, evolving in a thin strip $\R\times (0,\varepsilon)$. The formal limit of…

偏微分方程分析 · 数学 2021-11-29 Marius Paicu , Ping Zhang

In this paper, we study some conditions related to the question of the possible blow-up of regular solutions to the 3D Navier-Stokes equations. In particular, up to a modification in a proof of a very recent result from \cite{Isab}, we…

偏微分方程分析 · 数学 2020-12-14 Haroune Houamed

We investigate the high viscosity limit (also called inertial limit) of the barotropic compressible Navier-Stokes equations supplemented with initial data which are perturbations of a stable constant solution. In the case of constant…

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

We note that the equations of relativistic hydrodynamics reduce to the incompressible Navier-Stokes equations in a particular scaling limit. In this limit boundary metric fluctuations of the underlying relativistic system turn into a…

高能物理 - 理论 · 物理学 2009-08-24 Sayantani Bhattacharyya , Shiraz Minwalla , Spenta R. Wadia

We study a singular limit for the compressible Navier-Stokes system when the Mach and Rossby numbers are proportional to certain powers of a small parameter $\ep$. If the Rossby number dominates the Mach number, the limit problem is…

偏微分方程分析 · 数学 2015-05-27 Eduard Feireisl , Isabelle Gallagher , David Gérard-Varet , Antonin Novotny

This is the second of two papers devoted to the asymptotic behavior of solutions to the incompressible Navier-Stokes equations in a half-space with point vortex initial data. A major difficulty stems from the interaction between the point…

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

In this paper, we study the problem concerning the approximation of a rigid obstacle for flows governed by the stationary Navier-Stokes equations in the two-dimensional case. The idea is to consider a highly viscous fluid in the place of…

偏微分方程分析 · 数学 2022-09-26 Sadokat Malikova

In this paper we describe a method to derive classical solutions of the Navier-Stokes equations for non-stationary initial value problems in domain R^n (n = 2, 3 or higher). A new closed-form analytic solution of the incompressible…

数学物理 · 物理学 2015-09-28 R. K. Michael Thambynayagam

This paper is devoted to the global existence of weak solutions to the three-dimensional compressible Navier-Stokes equations with heat-conducting effects in a bounded domain. The viscosity and the heat conductivity coefficients are assumed…

偏微分方程分析 · 数学 2021-03-19 Guodong Wang , Bijun Zuo

Fluid configurations in three-dimensions, displaying a plausible decay of regularity in a finite time, are suitably built and examined. Vortex rings are the primary ingredients in this study. The full Navier-Stokes system is converted into…

偏微分方程分析 · 数学 2020-05-12 Daniele Funaro

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

For periodic initial data with the density allowing vacuum, we establish the global existence and exponential decay of weak, strong and classical solutions to the two-dimensional(2D) compressible Navier-Stokes equations when the bulk…

偏微分方程分析 · 数学 2025-07-03 Qinghao Lei , Chengfeng Xiong

In this paper, we investigate the incompressible Navier-Stokes equations coupled with the Vlasov-Fokker-Planck equation, which describes a two-phase mixture of the viscous incompressible fluid with particles or bubbles through a frictional…

偏微分方程分析 · 数学 2026-02-04 Renjun Duan , Fengqiang Shi , Wendong Wang , Jianbo Yu

The problem of describing the behavior of the solutions to the Navier-Stokes equations in three space dimensions has always been borderline. From one side, due to the viscosity term, smooth data seem to produce solutions with an everlasting…

流体动力学 · 物理学 2011-12-06 Daniele Funaro

In geophysical flows such as large-scale ocean dynamics, the vertical viscosity is often much smaller than the horizontal viscosity. This anisotropy makes it natural to ask whether solutions of the full anisotropic compressible…

偏微分方程分析 · 数学 2026-05-25 Jincheng Gao , Lianyun Peng , Jiahong Wu , Zheng-an Yao

We formulate the flow of thick fluids as evolution variational and quasi-variational inequalities, with a variable threshold on the absolute value of the deformation rate tensor. In the variational case, we show the existence and uniqueness…

偏微分方程分析 · 数学 2026-01-22 Jos\é Francisco Rodrigues , Lisa Santos

We consider the homogenization limit of the compressible barotropic Navier-Stokes equations in a three-dimensional domain perforated by periodically distributed identical particles. We study the regime of particle sizes and distances such…

偏微分方程分析 · 数学 2021-04-29 Richard M. Höfer , Karina Kowalczyk , Sebastian Schwarzacher

In this note, we consider the homogenization of the compressible Navier-Stokes equations in a periodically perforated domain in $\mathbb{R}^3$. Assuming that the particle size scales like $\varepsilon^3$, where $\varepsilon>0$ is their…

偏微分方程分析 · 数学 2022-11-28 Peter Bella , Florian Oschmann

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

The velocity-vorticity formulation of the 3D Navier-Stokes equations was recently found to give excellent numerical results for flows with strong rotation. In this work, we propose a new regularization of the 3D Navier-Stokes equations,…

偏微分方程分析 · 数学 2018-02-27 Adam Larios , Yuan Pei , Leo Rebholz