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Related papers: Peregrine's system revisited

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We study the behavior of shallow water waves over periodically-varying bathymetry, based on the first-order hyperbolic Saint-Venant equations. Although solutions of this system are known to generally exhibit wave breaking, numerical…

Analysis of PDEs · Mathematics 2025-02-06 David I. Ketcheson , Lajos Lóczi , Giovanni Russo

In this paper we study two multidimensional nonlinear dispersive systems: the Serre-Green-Naghdi (SGN) equations describing dispersive shallow water flows, and Iordanskii-Kogarko-Wijngaarden (IKW) equations describing fluids containing…

Numerical Analysis · Mathematics 2023-02-01 Sergey Tkachenko , Sergey Gavrilyuk , Jacques Massoni

We consider a Boussinesq system of KdV-KdV type introduced by J. Bona, M. Chen and J.-C. Saut as a model for the motion of small amplitude long waves on the surface of an ideal fluid. This system of two equations can describe the…

Analysis of PDEs · Mathematics 2021-07-26 Roberto A. Capistrano-Filho , Ademir F. Pazoto , Lionel Rosier

Green's function of the problem describing steady forward motion of bodies in an open ocean in the framework of the linear surface wave theory (the function is often referred to as Kelvin's wave source potential) is considered. Methods for…

Numerical Analysis · Mathematics 2014-11-04 Oleg V. Motygin

We consider long longitudinal bulk strain waves in layered waveguides using Boussinesq-type equations. The equations are developed using lattice models, and this is viewed as an extension of the Fermi-Pasta-Ulam problem. We describe…

Pattern Formation and Solitons · Physics 2022-03-30 Karima R. Khusnutdinova , Matthew R. Tranter

In 1982, Marshall P. Tulin published a report proposing a framework for reducing the equations for gravity waves generated by moving bodies into a single nonlinear differential equation solvable in closed form [Proc. 14th Symp. on Naval…

Fluid Dynamics · Physics 2015-10-22 Philippe H. Trinh

This paper addresses the inverse problem of identifying the linear velocity coefficient in a linear system governed by two Benjamin-Bona-Mahony-type equations, which model the displacement of water waves propagating along the surface of a…

Analysis of PDEs · Mathematics 2025-09-29 Deissy Marcela Pizo , Juan Carlos Muñoz Grajales

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…

Fluid Dynamics · Physics 2015-12-14 David Lannes , Fabien Marche

We present a novel hyperbolic reformulation of the Serre-Green-Naghdi (SGN) model for the description of dispersive water waves. Contrarily to the classical Boussinesq-type models, it contains only first order derivatives, thus allowing to…

Numerical Analysis · Mathematics 2020-04-01 Caterina Bassi , Luca Bonaventura , Saray Busto Ulloa , Michael Dumbser

The Klein-Gordon-Boussinesq (KGB) system is proposed in the literature as a model problem to study the validity of approximations in the long wave limit provided by simpler equations such as KdV, nonlinear Schr\"{o}dinger or Whitham…

Analysis of PDEs · Mathematics 2024-11-28 A. Durán , A. Esfahani , G. Muslu

A higher-order nonlinear Boussinesq system with a time-dependent boundary delay is considered. Sufficient conditions are presented to ensure the well-posedness of the problem by utilizing Kato's variable norm technique and the Fixed-Point…

Analysis of PDEs · Mathematics 2025-05-02 G. Bautista , R. de A. Capistrano--Filho , B. Chentouf , O. Sierra Fonseca

The aim of the present work is to develop a model able to represent the propagation and transformation of waves in nearshore areas. The focus is on the phenomena of wave breaking, shoaling and run-up. These different phenomena are…

Numerical Analysis · Mathematics 2023-01-16 Paola Bacigaluppi , Mario Ricchiuto , Philippe Bonneton

Peregrine soliton (PS) is widely regarded as a prototype nonlinear structure capturing properties of rogue waves that emerge in the nonlinear propagation of unidirectional wave trains. As an exact breather solution of the one-dimensional…

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…

Classical Physics · Physics 2020-02-20 Dimitrios Mitsotakis , Boaz Ilan , Denys Dutykh

In this paper we present a numerical scheme for solving a system of Boussinesq-type equations. This can correspond to longitudinal displacements in a multi-layered elastic bar with delamination, with conditions on the interface between the…

Pattern Formation and Solitons · Physics 2019-01-01 M. R. Tranter

This paper presents a new numerical model based on the highly nonlinear potential flow theory for simulating the propagation of water waves in variable depth. A new set of equations for estimating the surface vertical velocity is derived…

Fluid Dynamics · Physics 2024-12-02 Jinghua Wang

The investigation of nonlinear dynamical systems of the type $\dot{x}=P(x,y,z),\dot{y}=Q(x,y,z),\dot{z}=R(x,y,z)$ by means of reduction to some ordinary differential equations of the second order in the form…

solv-int · Physics 2018-08-29 L. A. Bordag , V. S. Dryuma

Weakly non-linear stability of regimes of free hydromagnetic thermal convection in a rotating horizontal layer with free electrically conducting boundaries is considered in the Boussinesq approximation. Perturbations are supposed to involve…

Chaotic Dynamics · Physics 2015-05-13 V. Zheligovsky

The model of laminated wave turbulence presented recently unites both types of turbulent wave systems - statistical wave turbulence (introduced by Kolmogorov and brought to the present form by numerous works of Zakharov and his scientific…

Mathematical Physics · Physics 2007-05-23 E. Kartashova , A. Kartashov

In this work, we revisit the study by M. E. Schonbek [11] concerning the problem of existence of global entropic weak solutions for the classical Boussinesq system, as well as the study of the regularity of these solutions by C. J. Amick…

Analysis of PDEs · Mathematics 2020-02-03 Luc Molinet , Raafat Talhouk , Ibtissam Zaiter