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Interaction of a solitary wave with a long background wave is studied within the framework of rotation modified Benjamin-Ono equation describing internal waves in a deep fluid. With the help of asymptotic method, we find stationary and…

Pattern Formation and Solitons · Physics 2019-11-11 R. H. J. Grimshaw , N. F. Smyth , Y. A. Stepanyants

A two-layer fluid system separated by a pycnocline in the form of an internal wave is considered. The lower layer is infinitely deep, with a higher density than the upper layer which is bounded above by a flat surface. The fluids are…

Analysis of PDEs · Mathematics 2019-05-20 Alan C. Compelli , Rossen I. Ivanov

In this work, we construct various interesting localized wave structures of the Benjamin-Ono equation describing the dynamics of deep water waves. Particularly, we extract the rogue waves and generalized breather solutions with the aid of…

Exactly Solvable and Integrable Systems · Physics 2020-11-03 Sudhir Singh , K. Sakkaravarthi , K. Murugesan , R. Sakthivel

The Benjamin-Ono (BO) equation describes long internal waves of small amplitude in deep fluids. Compared to its counterpart for shallow fluids, the Korteweg-de Vries (KdV) equation, the BO equation admits exact solutions for the traveling…

Exactly Solvable and Integrable Systems · Physics 2023-12-19 Jinbing Chen , Dmitry E. Pelinovsky

This survey is focused on two asymptotic models for internal waves, the Benjamin-Ono (BO) and Intermediate Long Wave (ILW) equations that are integrable by inverse scattering techniques (IST). After recalling briefly their derivations we…

Analysis of PDEs · Mathematics 2018-11-22 Jean-Claude Saut

The dynamics of wave groups is studied for long waves, using the framework of the Benjamin-Bona-Mahony (BBM) equation and its generalizations. It is shown that the dynamics are richer than the corresponding results obtained just from the…

Pattern Formation and Solitons · Physics 2025-05-27 Andrei Marin , Adrian Stefan Carstea

Considered here are two systems of equations modeling the two-way propagation of long-crested, long-wavelength internal waves along the interface of a two-layer system of fluids in the Benjamin-Ono and the Intermediate Long-Wave regime,…

Fluid Dynamics · Physics 2023-08-01 Jerry Bona , Angel Duran , Dimitrios Mitsotakis

This study aims to explore the complex interactions between an internal solitary wave and an external force using the Benjamin-Ono equation as the theoretical framework. The investigation encompasses both asymptotic and numerical…

Fluid Dynamics · Physics 2023-07-04 Marcelo V. Flamarion , Efim Pelinovsky

A model for internal interfacial waves between two layers of fluid in the presence of current and variable bottom is studied in the flat-surface approximation. Fluids are assumed to be incompressible and inviscid. Another assumption is that…

Pattern Formation and Solitons · Physics 2025-07-08 Rossen Ivanov , Lyudmila Ivanova

A model for the wave motion of an internal wave in the presence of current in the case of intermediate long wave approximation is studied. The lower layer is considerably deeper, with a higher density than the upper layer. The flat surface…

Fluid Dynamics · Physics 2024-06-04 Joseph Cullen , Rossen Ivanov

Considered in this paper is a bi-directional model for the propagation of interfacial capillary-gravity waves in a two-layer system of fluids with rigid lid condition for the upper layer and lower layer with a much larger or infinite depth.…

Analysis of PDEs · Mathematics 2020-04-28 A. Durán

The paper is concerned with the numerical approximation of the Intermediate Long Wave and Benjamin-Ono systems, that serve as models for the propagation of interfacial internal waves in a two-layer fluid system in particular physical…

Numerical Analysis · Mathematics 2021-04-21 Vassilios A. Dougalis , Angel Durán , Leetha Saridaki

We study the interaction of suitable small and high frequency waves evolving by the flow of the Benjamin-Ono equation. As a consequence, we prove that the flow map of the Benjamin-Ono equation can not be uniformly continuous on bounded sets…

Analysis of PDEs · Mathematics 2007-05-23 Herbert Koch , Nikolay Tzvetkov

In this paper, we give the first rigorous justification of the Benjamin-Ono equation as an internal water wave model on the physical time scale. Let $\varepsilon$ be the small parameter measuring the weak nonlinearity of the waves, $\mu$ be…

Analysis of PDEs · Mathematics 2024-10-31 Martin Oen Paulsen

In this paper, we establish the unconditional deep-water limit of the intermediate long wave equation (ILW) to the Benjamin-Ono equation (BO) in low-regularity Sobolev spaces on both the real line and the circle. Our main tool is new…

Analysis of PDEs · Mathematics 2025-02-25 Justin Forlano , Guopeng Li , Tengfei Zhao

A Hamiltonian model for the propagation of internal water waves interacting with surface waves, a current and an uneven bottom is examined. Using the so-called Dirichlet-Neumann operators, the water wave system is expressed in the…

Fluid Dynamics · Physics 2022-11-09 Lili Fan , Ruonan Liu , Hongjun Gao

We investigate models of dispersive long internal waves with rotational effects, specifically the Benjamin-Ono (BO) and intermediate long wave (ILW) equations modified by the presence of the nonlocal operator $\partial_x^{-1}$, which…

Analysis of PDEs · Mathematics 2025-03-20 Ricardo Freire , Thyago S. R. Santos

We examine a two dimensional fluid system consisting of a lower medium bounded underneath by a flatbed and an upper medium with a free surface. The two media are separated by a free common interface. The gravity driven surface and internal…

Fluid Dynamics · Physics 2017-02-07 Rossen Ivanov

The Whitham modulation equations for the parameters of a periodic solution are derived using the generalized Lagrangian approach for the case of damped Benjamin-Ono equation. The structure of the dispersive shock in internal wave in deep…

Pattern Formation and Solitons · Physics 2007-06-07 Y. Matsuno , V. S. Shchesnovich , A. M. Kamchatnov , R. A. Kraenkel

We study long surface and internal ring waves propagating in a stratified fluid over a parallel shear flow. The far-field modal and amplitude equations for the ring waves are presented in dimensional form. We re-derive them from the…

Fluid Dynamics · Physics 2021-09-30 Curtis Hooper , Karima Khusnutdinova , Roger Grimshaw
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