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Related papers: Benjamin-Ono and Intermediate Long Wave equation :…

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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

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

We study the well-posedness issue of the intermediate long wave equation (ILW) on both the real line and the circle. By applying the gauge transform for the Benjamin-Ono equation (BO) and adapting the $L^2$ well-posedness argument for BO by…

Analysis of PDEs · Mathematics 2024-07-16 Andreia Chapouto , Guopeng Li , Tadahiro Oh , Didier Pilod

The aim of this paper is to establish the existence of solitary wave solutions for two classes of two-layers systems modeling the propagation of internal waves. More precisely we will consider the Boussinesq-Full dispersion system and the…

Analysis of PDEs · Mathematics 2018-04-09 Jaime Angulo Pava , Jean-Claude Saut

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

We consider a density-stratified fluid composed of two immiscible layers separated by a sharp interface. We study the regime of long internal waves interacting with modulated surface wave packets and describe their resonant interaction by a…

Analysis of PDEs · Mathematics 2024-08-22 Adilbek Kairzhan , Christopher Kennedy , Catherine Sulem

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

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

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

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

In this paper, we present a rigorous study of the direct scattering problem that arises from the complete integrability of the Benjamin--Ono (BO) equation. In particular, we establish existence, uniqueness, and asymptotic properties of the…

Analysis of PDEs · Mathematics 2017-04-07 Yilun Wu

In this paper, we study the low regularity convergence problem for the intermediate long wave equation (ILW), with respect to the depth parameter $\delta>0$, on the real line and the circle. As a natural bridge between the Korteweg-de Vries…

Analysis of PDEs · Mathematics 2024-07-26 Guopeng Li

We consider solutions to the Cauchy problem for an internal-wave model derived by Camassa-Choi in a paper in Journal of Fluid Mechanics (1996). This model is a natural generalization of the Benjamin-Ono and Intermediate Long Wave equations…

Analysis of PDEs · Mathematics 2018-04-18 Benjamin Harrop-Griffiths , Jeremy L. Marzuola

We consider in this paper various theoretical and numerical issues on classical one dimensional models of internal waves with surface tension.They concern the Cauchy problem, including the long time dynamic, localized solitons or…

Analysis of PDEs · Mathematics 2023-12-04 C. Klein , F. Linares , D. Pilod , J. -C. Saut

We study the intermediate long wave equation (ILW) in negative Sobolev spaces. In particular, despite the lack of scaling invariance, we identify the regularity $s = -\frac 12$ as the critical regularity for ILW with any depth parameter, by…

Analysis of PDEs · Mathematics 2024-04-29 Andreia Chapouto , Justin Forlano , Guopeng Li , Tadahiro Oh , Didier Pilod

In this paper, we study one typical Einstein-Weyl equation. It arises from Ferapontov and Kruglikov's investigation on the integrability of several dispersionless partial differential equations and the geometry of their formal…

Exactly Solvable and Integrable Systems · Physics 2025-04-03 Ge Yi , Zikai Chen , Kelei Tian , Ying Xu

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

(Due to the limit on the number of characters for an abstract set by arXiv, the full abstract can not be displayed here. See the abstract in the paper.) We study convergence problems for the intermediate long wave equation (ILW), with the…

Analysis of PDEs · Mathematics 2025-06-02 Guopeng Li , Tadahiro Oh , Guangqu Zheng
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