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We formulate a well posed interface formulation for canonical one-dimensional evaporation two-phase model problems (the Stefan and Sucking problems) commonly used to validate production codes. We focus on the interface between the vapor and…

数值分析 · 数学 2026-04-28 Jan Nordström

This paper is devoted to the analysis of the incompressible Euler equation in a time-dependent fluid domain, whose interface evolution is governed by the law of linear elasticity. Our main result asserts that the Cauchy problem is globally…

偏微分方程分析 · 数学 2025-04-02 Thomas Alazard , Chengyang Shao , Haocheng Yang

We consider the free boundary problem for two layers of immiscible, viscous, incompressible fluid in a uniform gravitational field, lying above a general rigid bottom in a three-dimensional horizontally periodic setting. We establish the…

偏微分方程分析 · 数学 2015-10-07 Yanjin Wang , Ian Tice , Chanwoo Kim

We consider the initial-value problem for the bidirectional Whitham equation, a system which combines the full two-way dispersion relation from the incompressible Euler equations with a canonical shallow-water nonlinearity. We prove local…

偏微分方程分析 · 数学 2017-08-16 Mats Ehrnström , Long Pei , Yuexun Wang

We prove the asymptotic stability of shear flows close to the Couette flow for the 2-D inhomogeneous incompressible Euler equations on $\mathbb{T}\times \mathbb{R}$. More precisely, if the initial velocity is close to the Couette flow and…

偏微分方程分析 · 数学 2023-03-28 Qi Chen , Dongyi Wei , Ping Zhang , Zhifei Zhang

We study the local well-posedness for an interface with surface tension that separates a perfectly conducting inviscid fluid from a vacuum. The fluid flow is governed by the equations of three-dimensional ideal compressible…

偏微分方程分析 · 数学 2023-07-12 Yuri Trakhinin , Tao Wang

Inspired by a pioneer work of Andersson-Kapitanski \cite{AK}, we prove the local well-posedness of the Cauchy problem of incompressible neo-Hookean equations if the initial deformation and velocity belong to $H^{s+1}(\mathbb{R}^n) \times…

偏微分方程分析 · 数学 2024-07-30 Huali Zhang

The dynamics of a membrane is a coupled system comprising a moving elastic surface and an incompressible membrane fluid. We will consider a reduced elastic surface model, which involves the evolution equations of the moving surface, the…

偏微分方程分析 · 数学 2015-05-27 Wei Wang , Pingwen Zhang , Zhifei Zhang

This paper is dedicated to the study of the initial value problem for density dependent incompressible viscous fluids in $\R^{N}$ with $N\geq2$. We address the question of well-posedness for {\it large} data having critical Besov regularity…

偏微分方程分析 · 数学 2013-04-17 Boris Haspot

We consider the evolution of contact lines for viscous fluids in a two-dimensional open-top vessel. The domain is bounded above by a free moving boundary and otherwise by the solid wall of a vessel. The dynamics of the fluid are governed by…

偏微分方程分析 · 数学 2016-09-23 Yunrui Zheng , Ian Tice

A classical topic in the mathematical theory of hydrodynamics is to study the evolution of the free surface separating air from an incompressible perfect fluid. The goal of this survey is to examine this problem for two important sets of…

偏微分方程分析 · 数学 2024-01-23 Thomas Alazard

We study the critical dissipative quasi-geostrophic equations in $\bR^2$ with arbitrary $H^1$ initial data. After showing certain decay estimate, a global well-posedness result is proved by adapting the method in [11] with a suitable…

偏微分方程分析 · 数学 2007-05-23 Hongjie Dong , Dapeng Du

We consider the hydrodynamics for the biaxial nematic phase characterized by a field of orthonormal frame, which can be derived from a molecular-theory-based tensor model. In dimension two and three, we establish the local well-posedness…

偏微分方程分析 · 数学 2022-07-01 Sirui Li , Chenchen Wang , Jie Xu

Two formulas that connect the derivatives of the double layer potential and of a related singular integral operator evaluated at some density $\vartheta$ to the $L_2$-adjoints of these operators evaluated at the density $\vartheta'$ are…

偏微分方程分析 · 数学 2024-04-26 Anca--Voichita Matioc , Bogdan--Vasile Matioc

We are concerned with a model describing the motion of two compressible, immiscible fluids with density-dependent viscosity in the whole $\mathbb R^3$. The phases of the flow may have different pressure and viscosity laws and are separated…

偏微分方程分析 · 数学 2025-10-14 Marcel Zodji

In this work, we consider the interaction of a 3D incompressible fluid with a 2D flexible shell that occupies (a part of) the boundary of the fluid domain. We assume that the shell is perfectly elastic while the fluid is governed by the…

偏微分方程分析 · 数学 2026-05-15 Dominic Breit , Prince Romeo Mensah , Sebastian Schwarzacher , Pei Su

We are concerned with the well-posedness of the density-dependent incompressible viscoelastic fluid system. By Schauder-Tychonoff fixed point argument, when $\|{1}/{\rho_0}-1\|_{\dot{B}_{p,1}^{{N}/{p}}}$ is small, local well-posedness is…

偏微分方程分析 · 数学 2011-05-25 Huazhao Xie , Yunxia Fu

This paper is devoted to the study of solutions with critical regularity for the two-dimensional Muskat equation. We prove that the Cauchy problem is well-posed on the endpoint Sobolev space of $L^2$ functions with three-half derivative in…

偏微分方程分析 · 数学 2020-10-15 Thomas Alazard , Quoc-Hung Nguyen

In this paper the motion of two-phase, incompressible, viscous fluids with surface tension is investigated. Three cases are considered: (1) the case of heat-conducting fluids, (2) the case of isothermal fluids, and (3) the case of Stokes…

偏微分方程分析 · 数学 2016-12-19 Gieri Simonett , Mathias Wilke

In this paper we are concerned with the global well-posedness for the compressible MHD equations with large data. We show that if the shear viscosity $\mu$ is a positive constant and the bulk viscosity $\lambda$ is the power function of the…

偏微分方程分析 · 数学 2012-04-26 Dongfen Bian , Boling Guo