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We study capillary-gravity surface waves for fluid flows governed by Darcy's law. This includes flows in vertical Hele-Shaw cells and in porous media (the one-phase Muskat problem) with finite or infinite depth. The free boundary is acted…

偏微分方程分析 · 数学 2026-02-20 Huy Q. Nguyen

We study surface gravity waves for viscous fluid flows governed by Darcy's law. The free boundary is acted upon by an external pressure posited to be in traveling wave form with a periodic profile. It has been proven that for any given…

偏微分方程分析 · 数学 2023-12-13 John Brownfield , Huy Q. Nguyen

In this paper we study a finite-depth layer of viscous incompressible fluid in dimension $n \ge 2$, modeled by the Navier-Stokes equations. The fluid is assumed to be bounded below by a flat rigid surface and above by a free, moving…

偏微分方程分析 · 数学 2021-07-22 Giovanni Leoni , Ian Tice

We consider one dimensional porous media equations in spatially periodic environment. We will construct a periodic traveling sharp wave whose profile tends to a positive steady state at left infinity and takes zero on the right half line,…

偏微分方程分析 · 数学 2025-06-24 Bendong Lou

We prove that traveling waves in viscous compressible liquids are a generic phenomenon. The setting for our result is a horizontally infinite, finite depth layer of compressible, barotropic, viscous fluid, modeled by the free boundary…

偏微分方程分析 · 数学 2023-01-03 Noah Stevenson , Ian Tice

This paper is concerned with two-dimensional, steady, periodic water waves propagating at the free surface of water in a flow of constant vorticity over an impermeable flat bed. The motion of these waves is assumed to be governed both by…

偏微分方程分析 · 数学 2014-04-23 Peter de Boeck

We study the free boundary problem for a finite-depth layer of viscous incompressible fluid in arbitrary dimension, modeled by the Stokes or Navier-Stokes equations. In addition to the gravitational field acting in the bulk, the free…

偏微分方程分析 · 数学 2026-01-21 Seyed Abdolhamid Banihashemi , Huy Q. Nguyen

We study an incompressible Darcy's free boundary problem, recently introduced in [22]. Our goal is to prove the existence of non-trivial traveling wave solutions and thus validate the interest of this model to describe cell motility. The…

偏微分方程分析 · 数学 2022-05-10 Thomas Alazard , Martina Magliocca , Nicolas Meunier

For a natural number $m \ge 2$, we study $m$ layers of finite depth, horizontally infinite, viscous, and incompressible fluid bounded below by a flat rigid bottom. Adjacent layers meet at free interface regions, and the top layer is bounded…

偏微分方程分析 · 数学 2020-08-18 Noah Stevenson , Ian Tice

This is a study of two-dimensional steady periodic travelling waves on the surface of an infinitely deep irrotational ocean, when the top streamline is in contact with a membrane which has a nonlinear response to stretching and bending, and…

偏微分方程分析 · 数学 2008-05-06 Pietro Baldi , John F. Toland

This paper considers two-dimensional steady solitary waves with constant vorticity propagating under the influence of gravity over an impermeable flat bed. Unlike in previous works on solitary waves, we allow for both internal stagnation…

偏微分方程分析 · 数学 2021-10-12 Susanna V. Haziot , Miles. H. Wheeler

This paper concerns the construction of traveling wave solutions to the free boundary incompressible Navier-Stokes system. We study a single layer of viscous fluid in a strip-like domain that is bounded below by a flat rigid surface and…

偏微分方程分析 · 数学 2022-09-13 Junichi Koganemaru , Ian Tice

We consider the global bifurcation problem for spatially periodic traveling waves for two-dimensional gravity-capillary vortex sheets. The two fluids have arbitrary constant, non-negative densities (not both zero), the gravity parameter can…

偏微分方程分析 · 数学 2014-12-30 David M. Ambrose , Walter A. Strauss , J. Douglas Wright

We establish that solitary stationary waves in three dimensional viscous incompressible fluids are a generic phenomenon and that every such solution is a vanishing wave-speed limit along a one parameter family of traveling waves. The…

偏微分方程分析 · 数学 2023-09-13 Noah Stevenson , Ian Tice

In this paper we consider two-dimensional, stratified, steady water waves propagating over an impermeable flat bed and with a free surface. The motion is assumed to be driven by capillarity (that is, surface tension) on the surface and a…

偏微分方程分析 · 数学 2009-11-10 Samuel Walsh

The paper deals with a problem of interaction between hydrodynamics and mechanics of nonlinear elastic bodies. The existence question for two-dimensional symmetric steady waves travelling on the surface of a deep ocean beneath a heavy…

偏微分方程分析 · 数学 2008-12-02 Pietro Baldi , John F Toland

We study travelling waves on a two--dimensional lattice with linear and nonlinear coupling between nearest particles and a periodic nonlinear substrate potential. Such a discrete system can model molecules adsorbed on a substrate crystal…

斑图形成与孤子 · 物理学 2007-05-23 Michal Feckan , Vassilis M. Rothos

This study analyzes steady periodic hydroelastic waves propagating on the water surface of finite depth beneath nonlinear elastic membranes. Unlike previous work \cite{BaldiT,BaldiT1,Toland,Toland1}, our formulation accommodates rotational…

偏微分方程分析 · 数学 2025-08-07 Yong Zhang

In this paper, we consider an incompressible viscous flow without surface tension in a finite-depth domain of three dimensions, with free top boundary and fixed bottom boundary. This system is governed by a Naiver-Stokes equation in above…

偏微分方程分析 · 数学 2012-12-11 Lei Wu

In this paper, we study two-dimensional steady solitary gravity waves propagating along the surface of a fluid of finite depth. In particular, we can deal with general vorticity distributions and overhanging wave profiles. By conformal…

偏微分方程分析 · 数学 2026-03-24 Jifeng Chu , Zihao Wang , Yong Zhang
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