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We study dispersive models of fluid flow in viscoelastic vessels, derived in the study of blood flow. The unknowns in the models are the velocity of the fluid in the axial direction and the displacement of the vessel wall from rest. We…

偏微分方程分析 · 数学 2022-11-23 Hyeju Kim , David M. Ambrose

We rigorously justify in 3D the main asymptotic models used in coastal oceanography, including: shallow-water equations, Boussinesq systems, Kadomtsev-Petviashvili (KP) approximation, Green-Naghdi equations, Serre approximation and…

偏微分方程分析 · 数学 2016-03-08 Borys Alvarez-Samaniego , David Lannes

We consider the viscous incompressible fluids in a three-dimensional horizontally periodic domain bounded below by a fixed smooth boundary and above by a free moving surface. The fluid dynamics are governed by the Navier-Stokes equations…

偏微分方程分析 · 数学 2024-04-30 Xing Cheng , Yunrui Zheng

We consider the two-dimensional MHD Boundary layer system without hydrodynamic viscosity, and establish the existence and uniqueness of solutions in Sobolev spaces under the assumption that the tangential component of magnetic fields…

偏微分方程分析 · 数学 2021-06-04 Wei-Xi Li , Rui Xu

Consideration is given to three different full dispersion Boussinesq systems arising as asymptotic models in the bi-directional propagation of weakly nonlinear surface waves in shallow water. We prove that, under a non-cavitation condition…

偏微分方程分析 · 数学 2022-03-28 Martin Oen Paulsen

We consider the two dimensional gravity water waves with nonzero constant vorticity in infinite depth. We show that for $s\geq \frac{3}{4}$, the water waves system is locally well-posed in $\mathcal{H}^{s}$, which is the nonzero constant…

偏微分方程分析 · 数学 2025-01-03 Lizhe Wan

A class of water wave problems concerns the dynamics of the free interface separating an inviscid, incompressible and irrotational fluid, under the influence of gravity, from a zero-density region. In this note, we present some recent…

偏微分方程分析 · 数学 2015-03-12 Sijue Wu

The initial-value problem for a particular bidirectional Whitham system modelling surface water waves is under consideration. This system was recently introduced in [4]. It is numerically shown to be stable and a good approximation to the…

偏微分方程分析 · 数学 2018-05-21 Evgueni Dinvay

In this paper we study the well-posedness in Sobolev spaces of the incompressible Euler equations in an infinite strip delimited from below by a non-flat bottom and from above by a free-surface. We allow the presence of vorticity and…

偏微分方程分析 · 数学 2025-07-22 Théo Fradin

We consider the Muskat problem with surface tension for one fluid or two fluids, with or without viscosity jump, with infinite depth or Lipschitz rigid boundaries, and in arbitrary dimension $d$ of the interface. The problem is nonlocal,…

偏微分方程分析 · 数学 2020-07-23 Huy Q. Nguyen

We consider a layer of an inviscid fluid with free surface which is subject to vertical high-frequency vibrations. We derive three asymptotic systems of equations that describe slowly evolving (in comparison with the vibration frequency)…

流体动力学 · 物理学 2017-11-22 Konstantin Ilin

We consider the one-dimensional shallow water problem with capillary surfaces and moving contact {lines}. An energy-based model is derived from the two-dimensional water wave equations, where we explicitly discuss the case of a stationary…

偏微分方程分析 · 数学 2024-01-10 Jiaxu Li , Xin Liu , Dirk Peschka

This paper is devoted to the study of water waves under the influence of the gravity and the Coriolis force. It is quite common in the physical literature that the rotating shallow water equations are used to study such water waves. We…

偏微分方程分析 · 数学 2016-09-12 Benjamin Melinand

Regularizing effects of surface tension are studied for interfacial waves between a two-dimensional, infinitely-deep and irrotational flow of water and vacuum. The water wave problem under the influence of surface tension is formulated as a…

偏微分方程分析 · 数学 2012-10-02 Vera Mikyoung Hur

In this manuscript, we study the theory of conformal relativistic viscous hydrodynamics introduced in arXiv:1708.06255, which provided a causal and stable first-order theory of relativistic fluids with viscosity. The local well-posedness of…

偏微分方程分析 · 数学 2019-11-07 Fabio S. Bemfica , Marcelo M. Disconzi , Casey Rodriguez , Yuanzhen Shao

In this note, we prove local-in-time well-posedness for a fully dispersive Boussinesq system arising in the context of free surface water waves in two and three spatial dimensions. Those systems can be seen as a weak nonlocal dispersive…

偏微分方程分析 · 数学 2018-09-10 Henrik Kalisch , Didier Pilod

Nowadays we have many methods allowing to exploit the regularising properties of the linear part of a nonlinear dispersive equation (such as the KdV equation, the nonlinear wave or the nonlinear Schroedinger equations) in order to prove…

偏微分方程分析 · 数学 2018-12-14 Nikolay Tzvetkov

In this work we are interested in the well-posedness issues for the initial value problem associated with a higher order water wave model posed on a pe\-rio\-dic domain $\mathbb{T}$. We derive some multilinear estimates and use them in the…

偏微分方程分析 · 数学 2019-08-21 Xavier Carvajal , Mahendra Panthee , Ricardo Pastran

The floating structure problem describes the interaction between surface water waves and a floating body, generally a boat or a wave energy converter. As shown by Lannes in [18] the equations for the fluid motion can be reduced to a set of…

偏微分方程分析 · 数学 2019-10-22 Edoardo Bocchi

We consider a nonlinear fourth order in space partial differential equation arising in the context of the modeling of nonlinear acoustic wave propagation in thermally relaxing viscous fluids. We use the theory of operator semigroups in…

偏微分方程分析 · 数学 2015-09-25 Rainer Brunnhuber , Barbara Kaltenbacher