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We numerically study nonlinear phenomena related to the dynamics of traveling wave solutions of the Serre equations including the stability, the persistence, the interactions and the breaking of solitary waves. The numerical method utilizes…

斑图形成与孤子 · 物理学 2020-02-20 Dimitrios Mitsotakis , Denys Dutykh , John D. Carter

This paper presents a further numerical study of the interaction dynamics for solitary waves in a nonlinear Dirac field with scalar self-interaction by using a fourth order accurate Runge-Kutta discontinuous Galerkin method. Our experiments…

可精确求解与可积系统 · 物理学 2008-04-25 Sihong Shao , Huazhong Tang

A parallelized three-dimensional (3D) boundary element method is used to simulate the interaction between an incoming solitary wave and a 3D submerged horizontal plate under the assumption of potential flow. The numerical setup follows…

流体动力学 · 物理学 2021-04-07 T. Geng , H. Liu , F. Dias

A highly accurate numerical scheme is presented for the Serre system of partial differential equations, which models the propagation of dispersive shallow water waves in the fully-nonlinear regime. The fully-discrete scheme utilizes the…

经典物理 · 物理学 2020-02-20 Dimitrios Mitsotakis , Boaz Ilan , Denys Dutykh

We apply the version of the method of simplest equation called modified method of simplest equation for obtaining exact traveling wave solutions of a class of equations that contain as particular case a nonlinear PDE that models shallow…

可精确求解与可积系统 · 物理学 2017-09-18 Nikolay K. Vitanov , Tsvetelina I. Ivanova

We consider approximate, exact, and numerical solutions to the cylindrical Korteweg-de Vries equation. We show that there are different types of solitary waves and obtain the dependence of their parameters on distance. Then, we study the…

斑图形成与孤子 · 物理学 2023-01-18 Wencheng Hu , Jingli Ren , Yury Stepanyants

This article describes the use of algebraic methods in a phase plane analysis of ordinary differential equations. The method is illustrated by the study of capillary-gravity steady surface waves propagating in shallow water. We consider the…

经典物理 · 物理学 2020-02-20 Didier Clamond , Denys Dutykh , André Galligo

In this Letter we consider long capillary-gravity waves described by a fully nonlinear weakly dispersive model. First, using the phase space analysis methods we describe all possible types of localized travelling waves. Then, we especially…

经典物理 · 物理学 2020-02-20 Dimitrios Mitsotakis , Denys Dutykh , Aydar Assylbekuly , Dauren Zhakebayev

We consider a perturbed energy critical focusing Nonlinear Schr\"odinger Equation in three dimensions. We construct solitary wave solutions for focusing subcritical perturbations as well as defocusing supercritical perturbations. The…

偏微分方程分析 · 数学 2019-04-25 Matt Coles , Stephen Gustafson

We present an exact relation among the kinetic, potential and surface tension energies of a solitary wave in deep water in all dimensions. We deduce its non-existence in the absence of the effects of surface tension, provided that gravity…

偏微分方程分析 · 数学 2015-10-28 Vera Mikyoung Hur

The present paper is a numerical study of the dynamics of solitary wave solutions of the fractional nonlinear Schr\"{o}dinger equation, whose existence was analyzed by the authors in the first part of the project. The computational study…

数值分析 · 数学 2025-08-04 Angel Durán , Nuria Reguera

Using numerical modeling investigated interaction of solitary waves (solitons) of the regularized long wave equation. For reception the stable model of the nonlinear medium are used methods of the linear prediction and progressive…

斑图形成与孤子 · 物理学 2007-05-23 Yu. A. Bunyak

We study traveling wave solutions of an equation for surface waves of moderate amplitude arising as a shallow water approximation of the Euler equations for inviscid, incompressible and homogenous fluids. We obtain solitary waves of…

经典分析与常微分方程 · 数学 2013-12-06 Armengol Gasull , Anna Geyer

This paper is concerned with the study, by computational means, of the generation and stability of solitary-wave solutions of generalized versions of the Benjamin equation. The numerical generation of the solitary-wave profiles is…

数值分析 · 数学 2017-12-08 Vassilios A. Dougalis , Angel Duran , Dimitrios Mitsotakis

We study here the propagation of long waves in the presence of vorticity. In the irrotational framework, the Green-Naghdi equations (also called Serre or fully nonlinear Boussinesq equations) are the standard model for the propagation of…

流体动力学 · 物理学 2015-12-14 David Lannes , Fabien Marche

We develop a weakly nonlinear model to study the spatiotemporal manifestation and the dynamical behavior of surface waves in the presence of an underlying interfacial solitary wave in a two-layer fluid system. We show that interfacial…

斑图形成与孤子 · 物理学 2019-07-29 Shixiao W. Jiang , Gregor Kovačič , Douglas Zhou

The interaction of a solitary wave and a slowly varying mean background or flow for the Serre-Green-Naghdi (SGN) equations is studied using Whitham modulation theory. The exact form of the three SGN-Whitham modulation equations -- two for…

数学物理 · 物理学 2025-08-13 Thibault Congy , Gennady El , Sergey Gavrilyuk , Mark Hoefer , Keh-Ming Shyue

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 study the dynamic pressure in an irrotational solitary wave propagating at the surface of water over a flat bed, under the influence of gravity. We consider the nonlinear regime, that is, the case of waves of moderate to large amplitude.…

偏微分方程分析 · 数学 2017-01-12 François Genoud

We study the existence of solitary-wave solutions and some of their properties for a general multicomponent long-wave-short-wave interaction system. The system considered here describes the nonlinear interaction of multiple short waves with…

偏微分方程分析 · 数学 2015-09-01 Santosh Bhattarai
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