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In this paper, we investigate the phenomenon of particle rebound in a viscous incompressible fluid environment. We focus on the important case of no-slip boundary conditions, for which it is by now classical that, under certain assumptions,…

偏微分方程分析 · 数学 2020-11-04 Giovanni Gravina , Sebastian Schwarzacher , Ondřej Souček , Karel Tůma

A semi-explicit formula of solution to the boundary layer system for thermal layer derived from the compressible Navier-Stokes equations with the non-slip boundary condition when the viscosity coefficients vanish is given, in particular in…

偏微分方程分析 · 数学 2016-08-10 Cheng-Jie Liu , Ya-Guang Wang , Tong Yang

We study the motion of an incompressible perfect liquid body in vacuum. This can be thought of as a model for the motion of the ocean or a star. The free surface moves with the velocity of the liquid and the pressure vanishes on the free…

偏微分方程分析 · 数学 2007-05-23 Hans Lindblad

We derive a priori estimates for the compressible free-boundary Euler equations with surface tension in three spatial dimensions in the case of a liquid. These are estimates for local existence in Lagrangian coordinates when the initial…

偏微分方程分析 · 数学 2019-10-01 Marcelo M. Disconzi , Igor Kukavica

We consider the interface problem between two incompressible and inviscid fluids in the presence of surface tension. Following the geometric approach of [Shatah,J.;Zeng,C. A priori estimates for Fluid Interface Problems. CPAM, vol.16, no.6,…

偏微分方程分析 · 数学 2009-08-25 Fabio Pusateri

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

We prove the well--posedness of a dynamical perfect plasticity model under general assumptions on the stress constraint set and on the reference configuration. The problem is studied by combining both calculus of variations and hyperbolic…

偏微分方程分析 · 数学 2019-12-13 Jean-François Babadjian , Vito Crismale

The coupling between dilatation and vorticity, two coexisting and fundamental processes in fluid dynamics is investigated here, in the simplest cases of inviscid 2D isotropic Burgers and pressureless Euler-Coriolis fluids respectively…

流体动力学 · 物理学 2015-06-17 Philippe Choquard , Marc Vuffray

We study the existence of weak martingale solutions to a stochastic moving boundary problem arising from the interaction between an isentropic compressible fluid and a viscoelastic structure. In the model, we consider a three-dimensional…

偏微分方程分析 · 数学 2025-05-22 Jeffrey Kuan , Krutika Tawri

In this paper, we present port-Hamiltonian formulations of the incompressible Euler equations with a free surface governed by surface tension and gravity forces, modelling e.g. capillary and gravity waves and the evolution of droplets in…

偏微分方程分析 · 数学 2023-05-02 Xiaoyu Cheng , J. J. W. Van der Vegt , Yan Xu , H. J. Zwart

Within the class of nonlinear hyperbolic balance laws posed on a curved spacetime (endowed with a volume form), we identify a hyperbolic balance law that enjoys the same Lorentz invariance property as the one satisfied by the Euler…

偏微分方程分析 · 数学 2012-08-08 Philippe G. LeFloch , Hasan Makhlof , Baver Okutmustur

We study the well-posedness of the compressible boundary layer equations with data being analytic in the tangential variable of the boundary. The compressible boundary layer equations, a nonlinear coupled system of degenerate parabolic…

偏微分方程分析 · 数学 2025-07-25 Ya-Guang Wang , Yi-Lei Zhao

The inviscid limit for the two-dimensional compressible viscoelastic equations on the half plane is considered under the no-slip boundary condition. When the initial deformation tensor is a perturbation of the identity matrix and the…

偏微分方程分析 · 数学 2021-06-17 Dehua Wang , Feng Xie

We analyze the well-posedness of a flow-plate interaction considered in [22, 24]. Specifically, we consider the Kutta-Joukowski boundary conditions for the flow [20, 28, 26], which ultimately give rise to a hyperbolic equation in the…

偏微分方程分析 · 数学 2013-11-07 Irena Lasiecka , Justin T. Webster

We consider a nonlinear, free boundary fluid-structure interaction model in a bounded domain. The viscous incompressible fluid interacts with a nonlinear elastic body on the common boundary via the velocity and stress matching conditions.…

偏微分方程分析 · 数学 2018-02-05 Yizhao Qin , Pengfei Yao

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

We consider the classical compressible Euler's Equations in three space dimensions with an arbitrary equation of state, and whose initial data corresponds to a constant state outside a sphere. Under suitable restriction on the size of the…

偏微分方程分析 · 数学 2013-05-07 Demetrios Christodoulou , Shuang Miao

We cope with a free boundary fluid-structure interaction model. In the model, the viscous incompressible fluid interacts with elastic body via the common boundary. The motion of the fluid is governed by Navier-Stokes equations while the…

偏微分方程分析 · 数学 2019-02-19 Yizhao Qin , Pengfei Yao

We study the Navier--Stokes equations governing the motion of an isentropic compressible fluid in three dimensions interacting with a flexible shell of Koiter type. The latter one constitutes a moving part of the boundary of the physical…

偏微分方程分析 · 数学 2018-01-17 Dominic Breit , Sebastian Schwarzacher

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