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In this paper we deal with the long time existence for the Cauchy problem associated to some asymptotic models for long wave, small amplitude gravity surface waves. We generalize some of the results that can be found in the literature…

Analysis of PDEs · Mathematics 2015-11-18 Cosmin Burtea

We prove the local existence for the Water Waves equations with large bathymetric variations on a time interval of size 1/\epsilon, where $\epsilon$ measures the amplitude of the wave. We just need the presence of surface tension.

Analysis of PDEs · Mathematics 2014-07-17 Benoît Mésognon-Gireau

This paper is a continuation of a previous work by two of the Authors on long time existence for Boussinesq systems modeling the propagation of long, weakly nonlinear water waves. We provide proofs on examples not considered previously in…

Analysis of PDEs · Mathematics 2015-12-01 Jean-Claude Saut , Chao Wang , Li Xu

We prove the existence on long time scales of the solutions to the Cauchy problem for a version of weakly transverse Boussinesq systems arising in the modeling of surface water waves. This system is much more complicated than the isotropic…

Analysis of PDEs · Mathematics 2024-10-16 Qi Li , Jean-Claude Saut , Li Xu

In this paper we deal with the long time existence for the Cauchy problem associated to BBM-type Boussinesq systems of equations which are asymptotic models for long wave, small amplitude gravity surface water waves. As opposed to previous…

Analysis of PDEs · Mathematics 2016-03-11 Cosmin Burtea

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

This paper is concerned with a two dimensional Whitham-Boussinesq system modelling surface waves of an inviscid incompressible fluid layer. We prove that the associated Cauchy problem is well-posed for initial data of low regularity, with…

Analysis of PDEs · Mathematics 2022-06-24 Achenef Tesfahun

The Boussinesq-Peregrine system is derived from the water waves system in presence of topographic variation under the hypothesis of shallowness and small amplitude regime. The system becomes significantly simpler (at least in the…

Analysis of PDEs · Mathematics 2024-06-10 Luc Molinet , Raafat Talhouk

We prove a long time existence result for the solutions of a two-dimensional Boussinesq system modeling the propagation of long, weakly nonlinear water waves. This system is exceptional in the sense that it is the only linearly well-posed…

Analysis of PDEs · Mathematics 2020-09-08 Jean-Claude Saut , Li Xu

In this paper we address the Cauchy problem for two systems modeling the propagation of long gravity waves in a layer of homogeneous, incompressible and inviscid fluid delimited above by a free surface, and below by a non-necessarily flat…

Analysis of PDEs · Mathematics 2021-10-01 Vincent Duchêne , Samer Israwi

This paper is concerned with the one-dimensional version of a specific member of the (abcd) family of Boussinesq systems having the higher possible dispersion. We will establish two different long time existence results for the solutions of…

Analysis of PDEs · Mathematics 2019-09-19 Jean-Claude Saut , Li Xu

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

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

In this paper, we investigate the time of existence of the solutions to two full dispersion models derived from the water waves equations in the shallow water regime: the Whitham equation and a Whitham-Boussinesq system in dimension one and…

Analysis of PDEs · Mathematics 2025-09-23 Didier Pilod , Sigmund Selberg , Nadia Skoglund Taki , Achenef Tesfahun

We rigorously justify in 3D the main asymptotic models used in coastal oceanography, including: shallow-water equations, Boussinesq systems, Kadomtsev-Petviashvili (KP) approximation, Green-Naghdi equations, Serre approximation and…

Analysis of PDEs · Mathematics 2016-03-08 Borys Alvarez-Samaniego , David Lannes

In this paper, we study the viscous Boussinesq equation in the whole space $\mathbb{R}^n$, which describes the propagation of small amplitude and long waves on the surface of water with viscous effects. Concerning the linearized Cauchy…

Analysis of PDEs · Mathematics 2022-03-16 Wenhui Chen , Tuan Anh Dao

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

In this paper we focus on the water waves problem for uneven bottoms on a two-dimensionnal domain. Starting from the symmetric Boussinesq systems derived in [Chazel, Influence of topography on long water waves, 2007], we recover the…

Analysis of PDEs · Mathematics 2009-02-02 Florent Chazel

In 1967 D. H. Peregrine proposed a Boussinesq-type model for long waves in shallow waters of varying depth. This prominent paper turned a new leaf in coastal hydrodynamics along with contributions by F. Serre, A. E. Green \& P. M. Naghdi…

Fluid Dynamics · Physics 2020-02-20 Angel Durán , Denys Dutykh , Dimitrios Mitsotakis

In this paper we address a particular fluid-solid interaction problem in which the solid object is lying at the bottom of a layer of fluid and moves under the forces created by waves travelling on the surface of this layer. More precisely,…

Analysis of PDEs · Mathematics 2018-05-03 Krisztian Benyo
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