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We study wave-current interactions in two-dimensional water flows of constant vorticity over a flat bed. For large-amplitude periodic traveling waves that propagate at the water surface in the same direction as the underlying current…

偏微分方程分析 · 数学 2018-11-27 Adrian Constantin , Walter Strauss , Eugen Varvaruca

In this paper we mainly investigate the traveling wave solution of the two dimensional Euler equations with gravity at the free surface over a flat bed. We assume that the free surface is almost periodic in the horizontal direction. Using…

偏微分方程分析 · 数学 2018-05-24 Wei Luo , Zhaoyang Yin

We consider two-dimensional steady periodic gravity waves on water of finite depth with a prescribed but arbitrary vorticity distribution. The water surface is allowed to be overhanging and no assumptions regarding the absence of stagnation…

偏微分方程分析 · 数学 2024-08-27 Erik Wahlén , Jörg Weber

We construct small-amplitude steady periodic gravity water waves arising as the free surface of water flows that contain stagnation points and possess a discontinuous distribution of vorticity in the sense that the flows consist of two…

偏微分方程分析 · 数学 2015-03-05 Calin Iulian Martin , Bogdan-Vasile Matioc

We study small-amplitude steady water waves with multiple critical layers. Those are rotational two-dimensional gravity-waves propagating over a perfect fluid of finite depth. It is found that arbitrarily many critical layers with cat's-eye…

数学物理 · 物理学 2015-05-18 Mats Ehrnström , Joachim Escher , Gabriele Villari

We construct small-amplitude periodic water waves with multiple critical layers. In addition to waves with arbitrarily many critical layers and a single crest in each period, two-dimensional sets of waves with several crests and troughs in…

偏微分方程分析 · 数学 2011-04-04 Mats Ehrnström , Joachim Escher , Erik Wahlén

We investigate the existence of solitary gravity waves traversing a two-dimensional body of water that is bounded below by a flat impenetrable ocean bed and above by a free surface of constant pressure. Our main interest is constructing…

偏微分方程分析 · 数学 2021-03-02 Adelaide Akers , Samuel Walsh

In this paper we consider the steady water wave problem for waves that possess a merely $L_r-$integrable vorticity, with $r\in(1,\infty)$ being arbitrary. We first establish the equivalence of the three formulations--the velocity…

偏微分方程分析 · 数学 2013-11-28 Calin Iulian Martin , Bogdan-Vasile Matioc

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

In this paper, we prove the existence of two-dimensional, traveling, capillary-gravity, water waves with compactly supported vorticity. Specifically, we consider the cases where the vorticity is a $\delta$-function (a point vortex), or has…

偏微分方程分析 · 数学 2015-06-12 Jalal Shatah , Samuel Walsh , Chongchun Zeng

We prove the first bifurcation result of time quasi-periodic traveling waves solutions for space periodic water waves with vorticity. In particular we prove existence of small amplitude time quasi-periodic solutions of the gravity-capillary…

偏微分方程分析 · 数学 2021-03-17 Massimiliano Berti , Luca Franzoi , Alberto Maspero

We construct two-dimensional steady periodic hydroelastic waves with vorticity that propagate on water of finite depth under a deformable floating elastic plate which is modeled by using the special Cosserat theory of hyperelastic shells…

偏微分方程分析 · 数学 2024-02-07 Bogdan-Vasile Matioc , Emilian Parau

We prove a bifurcation result of uniformly-rotating/stationary non-trivial vortex sheets near the circular distribution for a model of two irrotational fluids with same density taking into account surface tension effects. As bifurcation…

偏微分方程分析 · 数学 2024-10-17 Federico Murgante , Emeric Roulley , Stefano Scrobogna

The problem for two-dimensional steady water waves with vorticity is considered. Using methods of spatial dynamics, we reduce the problem to a finite dimensional Hamiltonian system. As an application, we prove the existence of non-symmetric…

数学物理 · 物理学 2019-03-18 Evgeniy Lokharu , Vladimir Kozlov

This paper studies the classical water wave problem with vorticity described by the Euler equations with a free surface under the influence of gravity over a flat bottom. Based on fundamental work \cite{ConstantinStrauss}, we first obtain…

偏微分方程分析 · 数学 2022-07-12 Guowei Dai , Yong Zhang

Analytic global bifurcation theory is used to construct a large variety of families of steady periodic two-dimensional gravity water waves with real-analytic vorticity distributions, propagating in an incompressible fluid. The waves that…

偏微分方程分析 · 数学 2020-08-13 Kristoffer Varholm

Waves with constant vorticity and electrohydrodynamics flows are two topics in fluid dynamics that have attracted much attention from scientists for both the mathematical challenge and their industrial applications. The coupling of electric…

流体动力学 · 物理学 2023-01-04 Marcelo V. Flamarion , Tao Gao , Roberto Ribeiro-Jr , Alex Doak

Steady linear gravity waves of small amplitude travelling on a current of constant vorticity are found. For negative vorticity we show the appearance of internal waves and vortices, wherein the particle trajectories are not any more closed…

数学物理 · 物理学 2007-12-05 Mats Ehrnstrom , Gabriele Villari

The existence of periodic waves propagating downstream on the surface of a two-dimensional infinitely deep water under gravity is established for a general class of vorticities. When reformulated as an elliptic boundary value problem in a…

偏微分方程分析 · 数学 2009-12-02 Vera Mikyoung Hur

In this paper, we establish the existence of Stokes waves with piecewise smooth vorticity in a two-dimensional, infinitely deep fluid domain. These waves represent traveling water waves propagating over sheared currents in a semi-infinite…

偏微分方程分析 · 数学 2025-11-07 Changfeng Gui , Jun Wang , Wen Yang , Yong Zhang