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In this paper a three-parameter family of Boussinesq systems is studied. The systems have been proposed as models of the propagation of long internal waves along the interface of a two-layer system of fluids with rigid-lid condition for the…

Numerical Analysis · Mathematics 2021-10-27 V. A. Dougalis , A. Duran , L. Saridaki

The paper proposes a new, conservative fully-discrete scheme for the numerical solution of the regularised shallow water Boussinesq system of equations in the cases of periodic and reflective boundary conditions. The particular system is…

Numerical Analysis · Mathematics 2021-05-12 Dimitrios Mitsotakis , Hendrik Ranocha , David I. Ketcheson , Endre Süli

Considered herein is a class of Boussinesq systems of Bona-Smith type that describe water waves in bounded two-dimensional domains with slip-wall boundary conditions and variable bottom topography. Such boundary conditions are necessary in…

Numerical Analysis · Mathematics 2024-11-18 Dimitrios Antonopoulos , Dimitrios Mitsotakis

Considered here is a class of Boussinesq systems of Nwogu type. Such systems describe propagation of nonlinear and dispersive water waves of significant interest such as solitary and tsunami waves. The initial-boundary value problem on a…

Analysis of PDEs · Mathematics 2022-10-10 Dionyssios Mantzavinos , Dimitrios Mitsotakis

We consider a class of Boussinesq systems of Bona-Smith type in two space dimensions approximating surface wave flows modelled by the three-dimensional Euler equations. We show that various initial-boundary-value problems for these systems,…

Classical Physics · Physics 2009-07-29 Vassilios Dougalis , Dimitrios Mitsotakis , Jean-Claude Saut

In this paper we study some theoretical and numerical issues of the Boussinesq/Full dispersion system. This is a a three-parameter system of pde's that models the propagation of internal waves along the interface of two-fluid layers with…

Numerical Analysis · Mathematics 2022-01-13 V. A. Dougalis , A. Durán , L. Saridaki

This paper is devoted to the theoretical and numerical investigation of the initial boundary value problem for a system of equations used for the description of waves in coastal areas, namely, the Boussinesq-Abbott system in the presence of…

Analysis of PDEs · Mathematics 2024-02-07 David Lannes , Mathieu Rigal

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

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

We consider two `Classical' Boussinesq type systems modelling two-way propagation of long surface waves in a finite channel with variable bottom topography. Both systems are derived from the 1-d Serre-Green-Naghdi (SGN) system; one of them…

Numerical Analysis · Mathematics 2020-06-08 G. Kounadis , D. C. Antonopoulos , V. A. Dougalis

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

A coupled BBM system of equations is studied in the situation of water waves propagating over decreasing fluid depth. A conservation equation for mass and a wave breaking criterion valid in the Boussinesq approximation is found. A Fourier…

Fluid Dynamics · Physics 2016-01-27 Amutha Senthilkumar

A generalized version of the $abcd$-Boussinesq class of systems is derived to accommodate variable bottom topography in two-dimensional space. This extension allows for the conservation of suitable energy functionals in some cases and…

Fluid Dynamics · Physics 2024-06-19 Samer Israwi , Youssef Khalifeh , Dimitrios Mitsotakis

This paper is devoted to the derivation and mathematical analysis of a wave-structure interaction problem which can be reduced to a transmission problem for a Boussinesq system. Initial boundary value problems and transmission problems in…

Analysis of PDEs · Mathematics 2021-07-14 D. Bresch , David Lannes , Guy Metivier

In this work, a novel Boussinesq system is put forward. The system is naturally nonlinearly entropy/energy-stable, and is designed for problems with sharply varying bathymetric features. The system is flexible and allows tuning of the…

Numerical Analysis · Mathematics 2023-02-21 Magnus Svärd , Henrik Kalisch

The movement of water waves is a topic of interest to researchers from different areas. While their propagation is described by Euler equations, there are instances where simplified models can also provide accurate approximations. A…

Numerical Analysis · Mathematics 2023-12-27 L. G. Martins , M. V. Flamarion , R. Ribeiro-Jr

The numerical approximation of some Boussinesq systems in two spatial dimensions is here considered. The differential systems under study are proposed as asymptotic models for the propagation of waves along the interface of two layers of…

Numerical Analysis · Mathematics 2026-05-05 A. Durán

We present a new method for the numerical implementation of generating boundary conditions for a one dimensional Boussinesq system. This method is based on a reformulation of the equations and a resolution of the dispersive boundary layer…

Analysis of PDEs · Mathematics 2021-04-14 David Lannes , Lisl Weynans

Consideration is given to the influence of an underwater landslide on waves at the surface of a shallow body of fluid. The equations of motion which govern the evolution of the barycenter of the landslide mass include various dissipative…

Classical Physics · Physics 2020-02-20 Denys Dutykh , Henrik Kalisch

We consider the `classical' Boussinesq system in one space dimension and its symmetric analog. These systems model two-way propagation of nonlinear, dispersive long waves of small amplitude on the surface of an ideal fluid in a uniform…

Numerical Analysis · Mathematics 2010-08-26 D. C. Antonopoulos , V. A. Dougalis
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