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Many engineering and physiological applications deal with situations when a fluid is moving in flexible tubes with elastic walls. In the real-life applications like blood flow, there is often an additional complexity of vorticity being…

流体动力学 · 物理学 2024-09-09 Rossen Ivanov , Vakhtang Putkaradze

We study the equations of a two dimensional incompressible Newtonian fluid coupled with a dispersive parabolic-elliptic system on bounded domains. Global in time weak solutions are shown to exist and converge with a rate to the stationary…

偏微分方程分析 · 数学 2008-10-14 Rolf J. Ryham

We study the global existence of Einstein-Maxwell(EM) equations on $\mathbb{R}^4$. We use the method, which relies on wave and Lorentzian gauge conditions, to obtain some exquisite estimates. Our main conclusion is that if the initial data…

偏微分方程分析 · 数学 2019-09-09 Zonglin Jia , Boling Guo

This paper is dedicated to the study of viscous compressible barotropic fluids in dimension N=2. We address the question of the global existence of strong solutions with large initial data for compressible Navier-Stokes system and Korteweg…

偏微分方程分析 · 数学 2012-11-21 Boris Haspot

For the 3-D quadratic quasilinear wave equations in exterior domains with Dirichlet or Neumann boundary conditions, the global existence or the maximal existence time of small data smooth solutions have been established in the past.…

偏微分方程分析 · 数学 2026-02-17 Fei Hou , Huicheng Yin , Meng Yuan

Time decay estimate of solutions to the compressible Navier-Stokes-Korteweg system is studied. Concerning the linearized problem, the decay estimate with diffusion wave property for an initial data is derived. As an application, the time…

偏微分方程分析 · 数学 2019-06-03 Takayuki KOBAYASHI , Kazuyuki TSUDA

This paper is concerned with the existence, uniqueness and time-asymptotic stability of time periodic solutions to the compressible Navier-Stokes-Korteweg system effected by a time periodic external force in $\mathbb{R}^n$. Our analysis is…

偏微分方程分析 · 数学 2012-03-30 Zhengzheng Chen , Qinghua Xiao , Huijiang Zhao

In this paper, we consider 2D incompressible Euler equations in an unbounded domain with a free surface and a fixed bottom at finite depth. The fluid motion is under the influence of gravity and surface tension. We construct initial data…

偏微分方程分析 · 数学 2026-04-22 Yuanpeng Tu

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 study the Cauchy problem of a two-phase flow system consisting of the compressible isothermal Euler equations and the incompressible Navier-Stokes equations coupled through the drag force, which can be formally derived…

偏微分方程分析 · 数学 2024-02-01 Feimin Huang , Houzhi Tang , Guochun Wu , Weiyuan Zou

We consider variational problem related to entropy maximization in the two-dimensional Euler equations, in order to investigate the long-time dynamics of solutions with bounded vorticity. Using variations on the classical min-max principle…

偏微分方程分析 · 数学 2026-03-18 Michele Coti Zelati , Matias G. Delgadino

In this article we study a system of equations that is known to {\em extend} Navier-Stokes dynamics in a well-posed manner to velocity fields that are not necessarily divergence-free. Our aim is to contribute to an understanding of the role…

偏微分方程分析 · 数学 2015-06-04 Gautam Iyer , Robert L. Pego , Arghir Zarnescu

We show the short-time existence and nonlinear stability of vortex sheets for the nonisentropic compressible Euler equations in two spatial dimensions, based on the weakly linear stability result of Morando--Trebeschi (2008) [20]. The…

偏微分方程分析 · 数学 2020-09-24 Alessandro Morando , Paola Trebeschi , Tao Wang

The Navier-Stokes systems for compressible fluids with density-dependent viscosities are considered in the present paper. These equations, in particular, include the ones which are rigorously derived recently as the Saint-Venant system for…

偏微分方程分析 · 数学 2008-11-26 Hai-Liang Li , Jing Li , Zhouping Xin

We prove an extended lifespan result for the full gravity-capillary water waves system with a $2$ dimensional periodic interface: for initial data of sufficiently small size $\varepsilon$, smooth solutions exist up to times of the order of…

偏微分方程分析 · 数学 2019-09-24 A. D. Ionescu , F. Pusateri

This is the first of a series of papers devoted to the initial value problem for the Euler system of compressible fluids and augmented versions containing higher-order terms. We encompass solutions that have finite total energy and enjoy a…

偏微分方程分析 · 数学 2012-12-24 Pierre Germain , Philippe G. LeFloch

We investigate global existence and optimal decay rates of a generic non-conservative compressible two--fluid model with general constant viscosities and capillary coefficients.The main novelty of this work is three--fold: First, for any…

偏微分方程分析 · 数学 2021-08-21 Yin Li , Huaqiao Wang , Guochun Wu , Yinghui Zhang

We consider dissipative relativistic fluid theories on a fixed flat, compact, globally hyperbolic, Lorentzian manifold. We prove that for all initial data in a small enough neighborhood of the equilibrium states (in an appropriate Sobolev…

广义相对论与量子宇宙学 · 物理学 2009-10-30 Heinz Otto Kreiss , Gabriel B. Nagy , Omar E. Ortiz , Oscar A. Reula

The present paper deals with the Cauchy problem of a multi-dimensional non-conservative viscous compressible two-fluid system. We first study the well-posedness of the model in spaces with critical regularity indices with respect to the…

偏微分方程分析 · 数学 2020-10-20 Fuyi Xu , Meiling Chi , Lishan Liu , Yonghong Wu

In this paper, we consider the compressible fluid model of Korteweg type in a critical case where the derivative of pressure equals to $0$ at the given constant state. It is shown that the system admits a unique, global strong solution for…

偏微分方程分析 · 数学 2020-09-08 Takayuki Kobayashi , Miho Murata