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相关论文: Do peaked solitary water waves indeed exist?

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We give a rigorous proof of existence for solitary waves of a peridynamics model in one space dimension recently investigated by Silling (J. Mech. Phys. Solids 96:121--132, 2016). We adapt the variational framework developed by Friesecke…

偏微分方程分析 · 数学 2018-12-10 Robert L. Pego , Truong-Son Van

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

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

We study statically homogeneous Bose-Einstein condensates with spatially inhomogeneous interactions and outline an experimental realization of compensating linear and nonlinear potentials that can yield constant-density solutions. We…

斑图形成与孤子 · 物理学 2013-09-26 Scott Holmes , Mason A. Porter , Peter Krüger , Panayotis G. Kevrekidis

We present a numerical study of essentially nonlinear dynamics of surface gravity waves on deep water with constant vorticity using governing equations in conformal coordinates. The dispersion relation of surface gravity waves on shear flow…

流体动力学 · 物理学 2022-11-01 A. S. Dosaev , M. I. Shishina , Yu. I. Troitskaya

Starting from the von Neumann-Maxwell equations for the Wigner quasi-probability distribution and for the self-consistent electric field, the quantum analog of the classical single-wave model has been derived. The linear stability of the…

等离子体物理 · 物理学 2011-10-24 Stephan I. Tzenov , Kiril B. Marinov

In this work, we consider the mathematical theory of wind generated water waves. This entails determining the stability properties of the family of laminar flow solutions to the two-phase interface Euler equation. We present a rigorous…

偏微分方程分析 · 数学 2016-06-22 Oliver Buhler , Jalal Shatah , Samuel Walsh , Chongchun Zeng

The aim of this work is to study trapped waves and their collisions between two topographic obstacles for the forced Korteweg-de Vries equation. Numerical simulations show that solitary waves remain trapped bouncing back and forth between…

流体动力学 · 物理学 2021-09-14 M. V. Flamarion , P. A. Milewski , R. Ribeiro-Jr

The Whitham equation is a model for the evolution of surface waves on shallow water that combines the unidirectional linear dispersion relation of the Euler equations with a weakly nonlinear approximation based on the KdV equation. We show…

流体动力学 · 物理学 2023-06-22 John D. Carter , Marc Francius , Christian Kharif , Henrik Kalisch , Malek Abid

In this work an extended elliptic function method is proposed and applied to the generalized shallow water wave equation. We systematically investigate to classify new exact travelling wave solutions expressible in terms of quasi-periodic…

可精确求解与可积系统 · 物理学 2015-05-18 Bijan Bagchi , Supratim Das , Asish Ganguly

We describe the physical hypotheses underlying the derivation of an approximate model of water waves. For unidirectional surface shallow water waves moving over an irrotational flow as well as over a non-zero vorticity flow, we derive the…

数学物理 · 物理学 2007-11-30 Delia Ionescu-Kruse

Nonlinear water waves interacting with quasi-one-dimensional, non-uniformly periodic bed profiles are studied numerically in the deep-water regime with the help of approximate equations for envelopes of the forward and backward waves.…

流体动力学 · 物理学 2015-05-14 V. P. Ruban

We consider the Isobe-Kakinuma model for two-dimensional water waves in the case of the flat bottom. The Isobe-Kakinuma model is a system of Euler-Lagrange equations for a Lagrangian approximating Luke's Lagrangian for water waves. We show…

偏微分方程分析 · 数学 2025-02-07 Mathieu Colin , Tatsuo Iguchi

In this paper, we study the stability of smooth solitary waves for the $b$-family of Camassa-Holm equations. We verify the stability criterion analytically for the general case $b>1$ by the idea of the monotonicity of the period function…

偏微分方程分析 · 数学 2023-02-22 Teng Long , Changjian Liu

Recently, Banner et al. (2014) highlighted a new fundamental property of open ocean wave groups, the so-called crest slowdown. For linear narrowband waves, this is related to the geometric and dynamical phase velocities $U_d$ and $U_g$…

大气与海洋物理 · 物理学 2016-07-26 Francesco Fedele

Recent generalizations of the Camassa-Holm equation are studied from the point of view of existence of global solutions, criteria for wave breaking phenomena and integrability. We provide conditions, based on lower bounds for the first…

偏微分方程分析 · 数学 2020-07-27 Priscila Leal da Silva , Igor Leite Freire

The Degasperis-Procesi equation is the integrable Camassa-Holm-type model which is an asymptotic approximation for the unidirectional propagation of shallow water waves. This work establishes the orbital stability of localized smooth…

偏微分方程分析 · 数学 2020-07-01 Ji Li , Yue Liu , Qiliang Wu

We consider the Euler-Poisson system for ions where the electrons are given by a Maxwell-Boltzmann distribution, and we investigate the existence of one-dimensional periodic traveling waves. More precisely, we first establish the existence…

偏微分方程分析 · 数学 2026-04-17 Billel Guelmame , Taoufik Hmidi , Haroune Houamed , Frédéric Rousset

We present a rigorous mathematical analysis of the modeling of inviscid water waves. The free-surface is described as a parametrized curve. We introduce a numerically stable algorithm which accounts for its evolution with time. The method…

数学物理 · 物理学 2023-12-22 Emmanuel Dormy , Christophe Lacave

In this paper, we explore the orbital stability of smooth solitary wave solutions to the modified Camassa-Holm equation with cubic nonlinearity. These solutions, which exist on a nonzero constant background $k$, are unique up to translation…

偏微分方程分析 · 数学 2026-02-03 Xijun Deng , Stéphane Lafortune , Zhisu Liu