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We consider the motion of the interface separating a vacuum from an inviscid, incompressible, and irrotational fluid, subject to the self-gravitational force and neglecting surface tension, in two space dimensions. The fluid motion is…

偏微分方程分析 · 数学 2015-11-04 Lydia Bieri , Shuang Miao , Sohrab Shahshahani , Sijue Wu

The present paper aims to establish the local well-posedness of Euler's fluid equations on geometric rough paths. In particular, we consider the Euler equations for the incompressible flow of an ideal fluid whose Lagrangian transport…

偏微分方程分析 · 数学 2022-07-01 Dan Crisan , Darryl D. Holm , James-Michael Leahy , Torstein Nilssen

We derive a priori estimates for the compressible free boundary Euler equations in the case of a liquid without surface tension. We provide a new weighted functional framework which leads to the improved regularity of the flow map by using…

偏微分方程分析 · 数学 2023-12-29 Linfeng Li

We consider the flow of an upper convected Maxwell fluid in the limit of high Weissenberg and Reynolds number. In this limit, the no-slip condition cannot be imposed on the solutions. We derive equations for the resulting boundary layer and…

偏微分方程分析 · 数学 2015-06-04 Michael Renardy , Xiaojun Wang

This paper investigates the Newton's problem of minimal resistance for a body moving through a fluid whose density decreases exponentially with altitude. We prove the local existence and regularity of radial solutions $u(r)$ satisfying the…

偏微分方程分析 · 数学 2026-05-13 Rafael López

We derive a class of energy preserving boundary conditions for incompressible Newtonian flows and prove local-in-time well-posedness of the resulting initial boundary value problems, i.e. the Navier-Stokes equations complemented by one of…

偏微分方程分析 · 数学 2015-10-22 Dieter Bothe , Matthias Köhne , Jan Prüss

In this paper we prove full local well-posedness for the Cauchy problem for the compressible 3D Euler equation, i.e. local existence, uniqueness, and continuous dependence on initial data, with initial velocity, density and vorticity…

偏微分方程分析 · 数学 2026-02-05 Lars Andersson , Huali Zhang

We prove the local well-posedness of the 3D free-boundary incompressible elastodynamics with surface tension describing the motion of an elastic medium in a periodic domain with a moving graphical surface. The deformation tensor is assumed…

偏微分方程分析 · 数学 2025-01-08 Longhui Xu

The fluid dynamic limit of the Boltzmann equation leading to the Euler equations for an incompressible fluid with constant density in the presence of material boundaries shares some important features with the better known inviscid limit of…

偏微分方程分析 · 数学 2013-05-01 François Golse

In this paper, we prove the local uniqueness of an inverse problem arising in the nonstationary flow of a nonhomogeneous incompressible asymmetric fluid in a bounded domain with smooth boundary. The direct problem is an initial-boundary…

偏微分方程分析 · 数学 2014-12-17 Aníbal Coronel , Marko Rojas-Medar

We consider a particle undergoing Brownian motion in Euclidean space of any dimension, forced by a Gaussian random velocity field that is white in time and smooth in space. We show that conditional on the velocity field, the quenched…

概率论 · 数学 2022-02-09 Alexander Dunlap , Yu Gu

We use Feireisl-Lions theory to deduce the existence of weak solutions to a system describing the dynamics of a linear oscillator containing a Newtonian compressible fluid. The appropriate Navier-Stokes equation is considered on a domain…

偏微分方程分析 · 数学 2021-03-02 Vaclav Macha

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

For stationary, barotropic fluids in Newtonian gravity we give simple criteria on the equation of state and the "law of motion" which guarantee finite or infinite extent of the fluid region (providing a priori estimates for the…

广义相对论与量子宇宙学 · 物理学 2012-05-01 Patryk Mach , Walter Simon

In this paper, we consider the local existence and uniqueness result for the inhomogeneous Prandtl equations in dimension two by energy method. First of all, for the homogeneous case, the local-in-time well-posedness theory of unsteady…

偏微分方程分析 · 数学 2024-03-19 Jincheng Gao , Lianyun Peng , Zheng-an Yao

We consider the free boundary problem for relativistic plasma--vacuum interfaces in two and three spatial dimensions. The plasma flow is governed by the equations of ideal relativistic magnetohydrodynamics, while the vacuum magnetic and…

偏微分方程分析 · 数学 2026-04-30 Paolo Secchi , Yuri Trakhinin , Tao Wang

We consider the flow of an { ideal} fluid in a 2D-bounded domain, admitting flows through the boundary of this domain. The flow is described by Euler equations with \textit{non-homogeneous } Navier slip boundary conditions. These conditions…

偏微分方程分析 · 数学 2024-09-25 N. V. Chemetov , S. N. Antontsev

We address a system of equations modeling an incompressible fluid interacting with an elastic body. We prove the local existence when the initial velocity belongs to the space $H^{1.5+\epsilon}$ and the initial structure velocity is in…

偏微分方程分析 · 数学 2023-12-29 Igor Kukavica , Linfeng Li , Amjad Tuffaha

We obtain the local existence and uniqueness for a system describing interaction of an incompressible inviscid fluid, modeled by the Euler equations, and an elastic plate, represented by the fourth-order hyperbolic PDE. We provide a~priori…

偏微分方程分析 · 数学 2022-05-25 Igor Kukavica , Amjad Tuffaha

We consider the compressible Navier-Stokes system on time-dependent domains with prescribed motion of the boundary. For both the no-slip boundary conditions as well as slip boundary conditions we prove local-in-time existence of strong…

偏微分方程分析 · 数学 2018-12-07 Ondřej Kreml , Šárka Nečasová , Tomasz Piasecki