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So far existence of dissipative weak solutions for the compressible Navier-Stokes equations (i.e. weak solutions satisfying the relative energy inequality) is known only in the case of boundary conditions with non zero inflow/outflow (i.e.,…

偏微分方程分析 · 数学 2019-05-08 Young-Sam Kwon , Antonin Novotny , Vladyslav Satko

The study of global-in-time dynamics of vacuum is crucial for understanding viscous flows. In particular, physical vacuum, characterized by a moving boundary with nontrivial finite normal acceleration, naturally arises in the motion of…

偏微分方程分析 · 数学 2026-02-03 Gui-Qiang G. Chen , Jiawen Zhang , Shengguo Zhu

In this paper, we consider the initial-boundary value problems of the compressible isentropic Navier-Stokes equations with density-dependent viscosity on two dimensional solid balls which was first introduced by Kazhikhov where shear…

偏微分方程分析 · 数学 2023-10-10 Xiangdi Huang , Mengluan Su , Wei Yan , Rongfeng Yu

In this paper, we consider the three-dimensional isentropic Navier-Stokes equations for compressible fluids with viscosities depending on density in a power law and allowing initial vacuum. We introduce the notion of regular solutions and…

偏微分方程分析 · 数学 2015-04-14 Yachun Li , Ronghua Pan , Shengguo Zhu

Motivated by \cite{CG10,CZ6}, we prove the global existence of solutions to the two-dimensional isentropic compressible Navier-Stokes equations with smooth initial data which are slowly varying in one direction and with initial density…

偏微分方程分析 · 数学 2021-06-04 Yong Lu , Ping Zhang

This paper concerns the low Mach number limit of weak solutions to the compressible Navier-Stokes equations for isentropic fluids in a bounded domain with a Navier-slip boundary condition. In \cite{DGLM99}, it has been proved that if the…

偏微分方程分析 · 数学 2017-05-04 Xiong Linjie

We introduce a diffuse interface model describing the evolution of a mixture of two different viscous incompressible fluids of equal density. The main novelty of the present contribution consists in the fact that the effects of temperature…

偏微分方程分析 · 数学 2014-01-15 Michela Eleuteri , Elisabetta Rocca , Giulio Schimperna

In this article, a suite of physically inconsistent properties of the Navier-Stokes equations, associated with the lack of mass diffusion and the definition of velocity, are presented. We show that these inconsistencies are consequences of…

流体动力学 · 物理学 2018-01-09 Magnus Svärd

It is well known that the full compressible Navier-Stokes equations can be deduced via the Chapman-Enskog expansion from the Boltzmann equation as the first-order correction to the Euler equations with viscosity and heat-conductivity…

偏微分方程分析 · 数学 2020-08-21 Renjun Duan , Shuangqian Liu

This paper concerns the barotropic compressible Navier-Stokes equations in a two-dimensional half-space subject to Navier-slip boundary conditions with vacuum or non-vacuum far-field density. The global existence and large-time behavior of…

偏微分方程分析 · 数学 2026-05-29 Qinghao Lei , Weirong Liang

We study the finite time blow up of smooth solutions to the Compressible Navier-Stokes system when the initial data contain vacuums. We prove that any classical solutions of viscous compressible fluids without heat conduction will blow up…

偏微分方程分析 · 数学 2012-04-17 Xin Zhouping , Yan Wei

In the presence of vacuum, the physical entropy for polytropic gases behaves singularly and it is thus a challenge to study its dynamics. It is shown in this paper that the boundedness of the entropy can be propagated up to any finite time…

偏微分方程分析 · 数学 2020-02-11 Jinkai Li , Zhouping Xin

In this paper, we consider the initial-boundary value problem of three-dimensional isentropic compressible Navier-Stokes equations with rotating effect terms in an exterior domain with Navier-slip boundary condition and with far-field…

偏微分方程分析 · 数学 2021-12-16 Tuowei Chen , Yongqian Zhang

This paper investigates the global existence of classical solutions to the isentropic compressible Navier-Stokes equations with slip boundary condition in a three-dimensional (3D) exterior domain. It is shown that the classical solutions…

偏微分方程分析 · 数学 2025-04-03 Minghong Xie , Saiguo Xu , Yinghui Zhang

In this paper, we study the three-dimensional axisymmetric compressible Navier-Stokes equations with slip boundary conditions in a cylindrical domain excluding the axis. We establish the global existence and exponential decay of weak,…

偏微分方程分析 · 数学 2025-11-19 Qinghao Lei

We are concerned with the existence and uniqueness of solutions with only bounded density for the barotropic compressible Navier-Stokes equations. Assuming that the initial velocity has slightly sub-critical regularity and that the initial…

偏微分方程分析 · 数学 2020-01-08 Raphaël Danchin , Francesco Fanelli , Marius Paicu

We consider the compressible three dimensional Navier Stokes and Euler equations. In a suitable regime of barotropic laws, we construct a set of finite energy smooth initial data for which the corresponding solutions to both equations…

偏微分方程分析 · 数学 2020-06-17 Frank Merle , Pierre Raphael , Igor Rodnianski , Jeremie Szeftel

We consider the initial-boundary value problem for the system of equations describing the flow of compressible isothermal mixture of arbitrary large number of components. The system consists of the compressible Navier-Stokes equations and a…

偏微分方程分析 · 数学 2019-09-16 Tomasz Piasecki , Yoshihiro Shibata , Ewelina Zatorska

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 consider the compressible barotropic Navier-Stokes equations in a half-line and study the time-asymptotic behavior toward the outgoing viscous shock wave. Precisely, we consider the two boundary problems: impermeable wall and inflow…

偏微分方程分析 · 数学 2025-01-08 Xushan Huang , Moon-Jin Kang , Jeongho Kim , Hobin Lee