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The two dimensional gravity water wave problem concerns the motion of an incompressible fluid occupying half the 2D space and flowing under its own gravity. In this paper we study long-term regularity of solutions evolving from small but…

Analysis of PDEs · Mathematics 2022-06-22 Fan Zheng

A two-layer fluid system separated by a pycnocline in the form of an internal wave is considered. The lower layer is infinitely deep, with a higher density than the upper layer which is bounded above by a flat surface. The fluids are…

Analysis of PDEs · Mathematics 2019-05-20 Alan C. Compelli , Rossen I. Ivanov

We present the recent result [8] concerning the existence of quasi-periodic in time traveling waves for the 2d pure gravity water waves system in infinite depth. We provide the first existence result of quasi-periodic water waves solutions…

Analysis of PDEs · Mathematics 2020-11-26 Roberto Feola , Filippo Giuliani

We consider the capillary-gravity water-waves problem of finite depth with a flat bottom of one or two horizontal dimensions. We derive the modulation equations of leading and next-to-leading order in the hyperbolic scaling for three weakly…

Analysis of PDEs · Mathematics 2016-02-02 Ioannis Giannoulis

In this paper we derive a two-component system of nonlinear equations which model two-dimensional shallow water waves with constant vorticity. Then we prove well-posedness of this equation using a geometrical framework which allows us to…

Mathematical Physics · Physics 2019-01-03 Joachim Escher , David Henry , Boris Kolev , Tony Lyons

Considered in this paper is a bi-directional model for the propagation of interfacial capillary-gravity waves in a two-layer system of fluids with rigid lid condition for the upper layer and lower layer with a much larger or infinite depth.…

Analysis of PDEs · Mathematics 2020-04-28 A. Durán

The study of gravity-capillary water waves in two space dimensions has been an important question in mathematical fluid dynamics. By implementing the cubic modified energy method of Ifrim-Tataru in the context of gravity-capillary waves, we…

Analysis of PDEs · Mathematics 2024-10-08 Lizhe Wan

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…

Analysis of PDEs · Mathematics 2021-10-12 Susanna V. Haziot , Miles. H. Wheeler

This paper is devoted to the study of existence and properties of solitary waves of the Benjamin equation. The studied equation includes a parameter $\gamma$ in front of the Benjamin-Ono term. We show the existence, uniqueness, decay and…

Analysis of PDEs · Mathematics 2024-05-07 May Abdallah , Mohamad Darwich , Luc Molinet

We provide high-order approximations to periodic travelling wave profiles and to the velocity field and the pressure beneath the waves, in flows with constant vorticity over a flat bed.

Analysis of PDEs · Mathematics 2015-03-16 Adrian Constantin , Konstantinos Kalimeris , Otmar Scherzer

We consider gravity water waves in two space dimensions, with finite or infinite depth. Assuming some uniform scale invariant Sobolev bounds for the solutions, we prove local energy decay (Morawetz) estimates globally in time. Our result is…

Analysis of PDEs · Mathematics 2018-06-25 Thomas Alazard , Mihaela Ifrim , Daniel Tataru

In this article we consider irrotational gravity water waves with finite bottom. Our goal is two-fold. First, we represent the equations in holomorphic coordinates and discuss the local well-posedness of the problem in this context. Second,…

Analysis of PDEs · Mathematics 2016-07-12 Benjamin Harrop-Griffiths , Mihaela Ifrim , Daniel Tataru

We prove the existence and the linear stability of Cantor families of small amplitude time quasi-periodic standing water wave solutions - namely periodic and even in the space variable x - of a bi-dimensional ocean with finite depth under…

Analysis of PDEs · Mathematics 2018-12-21 Pietro Baldi , Massimiliano Berti , Emanuele Haus , Riccardo Montalto

In this paper we develop an existence theory for small amplitude, steady, two-dimensional water waves in the presence of wind in the air above. The presence of the wind is modeled by a Kelvin--Helmholtz type discontinuity across the…

Analysis of PDEs · Mathematics 2012-11-15 Samuel Walsh , Oliver Bühler , Jalal Shatah

We consider the gravity water waves system with a periodic one-dimensional interface in infinite depth and we establish the existence and the linear stability of small amplitude, quasi-periodic in time, traveling waves. This provides the…

Analysis of PDEs · Mathematics 2021-11-01 Roberto Feola , Filippo Giuliani

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…

Analysis of PDEs · Mathematics 2021-03-17 Massimiliano Berti , Luca Franzoi , Alberto Maspero

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…

Analysis of PDEs · Mathematics 2023-08-09 Robin Ming Chen , Lili Fan , Samuel Walsh , Miles H. Wheeler

The paper deals with the 2D gravity-capillary water waves equations in their Hamiltonian formulation, addressing the question of the nonlinear interaction of a plane wave with its reflection off a vertical wall. The main result is the…

Analysis of PDEs · Mathematics 2015-06-19 Thomas Alazard , Pietro Baldi

We consider steady three-dimensional gravity-capillary water waves with vorticity propagating on water of finite depth. We prove a variational principle for doubly periodic waves with relative velocities given by Beltrami vector fields,…

Mathematical Physics · Physics 2018-04-13 Evgeniy Lokharu , Erik Wahlén

We consider the 2D gravity water waves equation on an infinite domain. We prove a local wellposedness result which allows interfaces with corners and cusps as initial data and which is such that the time of existence of solutions is uniform…

Analysis of PDEs · Mathematics 2026-04-17 Siddhant Agrawal