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Boussinesq-type wave equations involve nonlinearities and dispersion. In this paper a Boussinesq-type equation with amplitude-dependent nonlinearities is presented. Such a model was proposed by Heimburg and Jackson (2005) for describing…

Pattern Formation and Solitons · Physics 2018-02-23 Jüri Engelbrecht , Kert Tamm , Tanel Peets

The travelling wave problem for a particular bidirectional Whitham system modelling surface water waves is under consideration. This system firstly appeared in [Dinvay, Dutykh, Kalisch 2018], where it was numerically shown to be stable and…

Analysis of PDEs · Mathematics 2021-01-13 Evgueni Dinvay , Dag Nilsson

In this paper, we study the generalized Boussinesq equation as a model for the water wave problem with surface tension. Initially, we investigate the initial value problem within Sobolev spaces, deriving conditions under which solutions are…

Analysis of PDEs · Mathematics 2024-05-21 Amin Esfahani , Gulcin M. Muslu

In this paper we consider the numerical solution of Boussinesq-Peregrine type systems by the application of the Galerkin finite element method. The structure of the Boussinesq systems is explained and certain alternative nonlinear and…

Numerical Analysis · Mathematics 2020-07-15 Theodoros Katsaounis , Dimitrios Mitsotakis , George Sadaka

A one-dimensional long-wave model of an unsteady three-layer flow of a stratified fluid under a lid is proposed, taking into account turbulent mixing in the intermediate layer. In the Boussinesq approximation, the equations of motion are…

Fluid Dynamics · Physics 2021-12-10 Alexander Chesnokov , Sergey Gavrilyuk , Valery Liapidevskii

In this paper, we investigate the well-posedness of a nonlinear dispersive model with variable coefficients that describes the evolution of surface waves propagating through a one-dimensional shallow water channel of finite length with…

Numerical Analysis · Mathematics 2025-10-14 Juan Carlos Muñoz Grajales , Deissy Marcela Pizo

The aim of this paper is to present a survey and a detailed numerical study on a remarkable Boussinesq system describing weakly nonlinear, long surface water waves. In the one-dimensional case, this system can be viewed as a dispersive…

Analysis of PDEs · Mathematics 2024-03-20 C. Klein , J. -C. Saut

Considered herein are a number of variants of the Boussinesq type systems modeling surface water waves. Such equations were derived by different authors to describe the two-way propagation of long gravity waves. A question of existence of…

Analysis of PDEs · Mathematics 2022-02-07 Evgueni Dinvay

This study deals with higher-ordered asymptotic equations for the water-waves problem. We considered the higher-order/extended Boussinesq equations over a flat bottom topography in the well-known long wave regime. Providing an existence and…

Analysis of PDEs · Mathematics 2022-02-03 Bashar Bhorbatly , Ralph Lteif , Samer Israwi , Stéphane Gerbi

We study the existence and numerical computation of traveling wave solutions for a family of nonlinear higher-order Boussinesq evolution systems with a Hamiltonian structure. This general Boussinesq evolution system includes a broad class…

Analysis of PDEs · Mathematics 2025-11-18 Roberto de A. Capistrano-Filho , Juan Carlos Muñoz , José R. Quintero

Boussinesq type equations have been widely studied to model the surface water wave. In this paper, we consider the abcd Boussinesq system which is a family of Boussinesq type equations including many well-known models such as the classical…

Numerical Analysis · Mathematics 2021-10-12 Jiawei Sun , Shusen Xie , Yulong Xing

We study the Cauchy problem for one-dimensional dispersive system of Boussinesq type which models weakly nonlinear long wave surface waves. We establish the local well-posedness and ill-posedness of solutions to the system. We also provide…

Analysis of PDEs · Mathematics 2012-03-05 Robin Ming Chen , Yue Liu

Weakly-nonlinear waves in a layered waveguide with an imperfect interface (soft bonding between the layers) can be modelled using coupled Boussinesq equations. We assume that the materials of the layers have close mechanical properties, in…

Pattern Formation and Solitons · Physics 2018-11-01 K. R. Khusnutdinova , M. R. Tranter

A family of Boussinesq systems has been proposed to describe the bi-directional propagation of small amplitude long waves on the surface of shallow water. In this paper, we investigate the well-posedness and boundary stabilization of the…

Analysis of PDEs · Mathematics 2021-07-26 R. A. Capistrano-Filho , F. A. Gallego , A. F. Pazoto

The Boussinesq $abcd$ system arises in the modeling of long wave small amplitude water waves in a channel, where the four parameters $(a,b,c,d)$ satisfy one constraint. In this paper we focus on the solitary wave solutions to such a system.…

Analysis of PDEs · Mathematics 2021-11-16 Robin Ming Chen , Jie Jin

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

The Boussinesq $abcd$ system is a 4-parameter set of equations posed in $\mathbb R_t\times\mathbb R_x$, originally derived by Bona, Chen and Saut as first-order 2-wave approximations of the incompressible and irrotational, two-dimensional…

Analysis of PDEs · Mathematics 2025-12-30 André de Laire , Olivier Goubet , María Eugenia Martínez , Claudio Muñoz , Felipe Poblete

Considered here are Boussinesq systems of equations of surface water wave theory over a variable bottom. A simplified such Boussinesq system is derived and solved numerically by the standard Galerkin-finite element method. We study by…

Fluid Dynamics · Physics 2009-09-15 Dimitrios Mitsotakis

In this paper we are consider radiating solitary wave solutions of coupled regularised Boussinesq equations. This type of solution consists of a leading solitary wave with a small-amplitude co-propagating oscillatory tail, and emerges from…

Pattern Formation and Solitons · Physics 2018-02-08 R. H. J. Grimshaw , K. R. Khusnutdinova , K. R. Moore

The goal of this work is to study waves interacting with partially immersed objects allowed to move freely in the vertical direction, and in a regime in which the propagation of the waves is described by the one dimensional…

Numerical Analysis · Mathematics 2023-07-06 Geoffrey Beck , David Lannes , Lisl Weynans