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相关论文: Solitary water waves with discontinuous vorticity

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We consider the two dimensional pure gravity water waves with nonzero constant vorticity in infinite depth, working in the holomorphic coordinates introduced by Hunter, Ifrim, and Tataru. We show that close to the critical velocity…

偏微分方程分析 · 数学 2023-05-09 James Rowan , Lizhe Wan

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

For the problem describing steady, gravity waves with vorticity on a two-dimensional, unidirectional flow of finite depth the following results are obtained. (i) Bounds for the free-surface profile and for Bernoulli's constant. (ii) If only…

数学物理 · 物理学 2015-06-23 Vladimir Kozlov , Nikolay Kuznetsov , Evgeniy Lokharu

We consider solitary water waves on the vorticity flow in a two-dimensional channel of finite depth. The main object of study is a branch of solitary waves starting from a laminar flow and then approaching an extreme wave. We prove that…

偏微分方程分析 · 数学 2023-11-28 Vladimir Kozlov

This paper considers two-dimensional stratified water waves propagating under the force of gravity over an impermeable flat bed and with a free surface. We prove the existence of a global continuum of classical solutions that are periodic…

偏微分方程分析 · 数学 2009-02-11 Samuel Walsh

While several articles have been written on water waves on flows with constant vorticity, little is known about the extent to which a nonconstant vorticity affects the flow structure, such as the appearance of stagnation points. In order to…

流体动力学 · 物理学 2022-05-18 Marcelo V. Flamarion , Roberto Ribeiro-Jr

We consider a two-dimensional, two-layer, incompressible, steady flow, with vorticity which is constant in each layer, in an infinite channel with rigid walls. The velocity is continuous across the interface, there is no surface tension or…

偏微分方程分析 · 数学 2023-10-18 Karsten Matthies , Jonathan Sewell , Miles H. Wheeler

We study two-dimensional periodic capillary-gravity water waves propagating at the free surface of water in a flow with arbitrary, prescribed vorticity over a flat bed. Using conformal mappings and a new Babenko-type reformulation of…

偏微分方程分析 · 数学 2023-06-14 Erik Wahlén , Jörg Weber

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

The two-dimensional free-boundary problem describing steady gravity waves with vorticity on water of finite depth is considered. It is proved that no small-amplitude waves are supported by a horizontal shear flow whose free surface is still…

数学物理 · 物理学 2015-06-11 Vladimir Kozlov , Nikolay Kuznetsov

This paper studies periodic traveling gravity waves at the free surface of water in a flow of constant vorticity over a flat bed. Using conformal mappings the free-boundary problem is transformed into a quasilinear pseudodifferential…

偏微分方程分析 · 数学 2015-05-14 Adrian Constantin , Eugen Varvaruca

While some works have investigated the particle trajectories and stagnation points beneath solitary waves with constant vorticity, little is known about the pressure beneath such waves. To address this gap, we investigate numerically the…

流体动力学 · 物理学 2023-02-01 Eduardo M. Castro , Marcelo V. Flamarion , Roberto Ribeiro-Jr

We establish the existence of small-amplitude uni- and bimodal steady periodic gravity waves with an affine vorticity distribution, using a bifurcation argument that differs slightly from earlier theory. The solutions describe waves with…

偏微分方程分析 · 数学 2019-07-15 Ailo Aasen , Kristoffer Varholm

For two-dimensional steady pure-gravity water waves with a unidirectional flow of constant favourable vorticity, we prove an explicit bound on the amplitude of the wave, which decays to zero as the vorticity tends to infinity. Notably, our…

偏微分方程分析 · 数学 2023-06-14 Evgeniy Lokharu , 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

The dynamics of solitary gravity-capillary water waves propagating on the surface of a three-dimensional fluid domain is studied numerically. In order to accurately compute complex time dependent solutions, we simplify the full potential…

流体动力学 · 物理学 2015-06-05 Zhan Wang , Paul A Milewski

We numerically investigate the flow structure of periodic steady water waves of fixed relative mass flux propagating on rotational flows with piece-wise constant vorticity. We show that for wave solutions along the global bifurcation…

流体动力学 · 物理学 2020-11-25 Lin Chen , Biswajit Basu , Calin-I Martin

We construct small-amplitude solitary traveling gravity-capillary water waves with a finite number of point vortices along a vertical line, on finite depth. This is done using a local bifurcation argument. The properties of the resulting…

偏微分方程分析 · 数学 2016-12-12 Kristoffer Varholm

This paper studies the structural implications of constant vorticity for steady three-dimensional internal water waves. It is known that in many physical regimes, water waves beneath vacuum that have constant vorticity are necessarily two…

偏微分方程分析 · 数学 2023-08-09 Robin Ming Chen , Lili Fan , Samuel Walsh , Miles H. Wheeler

We show the existence of periodic traveling waves at the free surface of a two dimensional, infinitely deep, and constant vorticity flow, under gravity, whose profiles are overhanging, including one which intersects itself to enclose a…

偏微分方程分析 · 数学 2022-05-24 Vera Mikyoung Hur , Miles H. Wheeler