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In this article, a modification of the rapidly convergent approximation method is proposed to solve a coupled Korteweg-de Vries equations with conformable derivative that govern shallow-water waves. Based on the Leibniz and chain rule of…

Mathematical Physics · Physics 2020-11-04 Prakash Kumar Das

A non-local evolution equation of the Camassa-Holm type with dissipation is considered. The local well-posedness of the solutions of the Cauchy problem involving the equation is established via Kato's approach and the wave breaking scenario…

Analysis of PDEs · Mathematics 2020-05-11 Igor Leite Freire , Nazime Sales Filho , Ligia Corrêa de Souza , Carlos Eduardo Toffoli

Small-amplitude waves in the Fermi-Pasta-Ulam (FPU) lattice with weakly anharmonic interaction potentials are described by the generalized Korteweg-de Vries (KdV) equation. Justification of the small-amplitude approximation is usually…

Dynamical Systems · Mathematics 2016-03-07 Amjad Khan , Dmitry Pelinovsky

A forced, variable coefficients Kor\-te\-weg-de Vries equation for amplitudes of long, nonlinear internal waves in a stratified shear flow over topography is derived when the magnitude of the basic flow is small. The derivation is done by…

Atmospheric and Oceanic Physics · Physics 2014-07-09 M. Yu. Trofimov

The Kadomtsev-Petviashvili (KP) nonlinear wave equation is the three dimensional generalization of the Korteveg-de Vries (KdV) equation. We show how to obtain the cylindrical KP (cKP) and cartesian KP in relativistic fluid dynamics. The…

Mathematical Physics · Physics 2013-05-07 D. A. Fogaça , F. S. Navarra , L. G. Ferreira Filho

We use a Hamiltonian normal form approach to study the dynamics of the water wave problem in the small amplitude long wave regime (KdV regime). If $\mu$ is the small parameter corresponding to the inverse of the wave length, we show that…

Mathematical Physics · Physics 2020-03-09 Dario Bambusi

The Korteweg-de Vries (KdV) equation is of fundamental importance in a wide range of subjects with generalization to multi-component systems relevant for multi-species fluids and cold atomic mixtures. We present a general framework in which…

Mathematical Physics · Physics 2025-02-24 Sharath Jose , Manas Kulkarni , Vishal Vasan

In this paper we study the effect of rotation on nonlinear wave phenomena in weakly dispersive media modeled by the Korteweg-de Vries equation on the real line. It is well known that smoothing in the case of the KdV equation with periodic…

Analysis of PDEs · Mathematics 2024-04-09 M. B. Erdogan , N. Tzirakis

We derived consistently, according to the second order perturbation approach, the extended KdV equation for an uneven bottom for the case of $\alpha=O(\beta)$ and $\delta=O(\beta^2)$. This equation can be obtained only when the bottom is…

Fluid Dynamics · Physics 2019-06-20 Piotr Rozmej , Anna Karczewska

Uniform estimates for the decay structure of the $n$-soliton solution of the Korteweg-deVries equation are obtained. The KdV equation, linearized at the $n$-soliton solution is investigated in a class $\WW$ consisting of sums of travelling…

solv-int · Physics 2018-08-29 M. Haragus-Courcelle , D. H. Sattinger

We show how to apply ideas from the theory of rough paths to the analysis of low-regularity solutions to non-linear dispersive equations. Our basic example will be the one dimensional Korteweg--de Vries (KdV) equation on a periodic domain…

Analysis of PDEs · Mathematics 2009-07-21 M. Gubinelli

A family of Camassa-Holm type equations with a linear term and cubic and quartic nonlinearities is considered. Local well-posedness results are established via Kato's approach. Conserved quantities for the equation are determined and from…

Analysis of PDEs · Mathematics 2020-05-13 Igor Leite Freire

In this work, we show that the edge dynamics of the Laughlin state in the weakly nonlinear regime is governed by the Korteweg-de Vries (KdV) equation. Our starting point is the Chern-Simons-Ginzburg-Landau theory in the lower half-plane,…

Strongly Correlated Electrons · Physics 2024-10-03 Gustavo M. Monteiro , Sriram Ganeshan

We propose a hierarchy of nonlinearly dispersive generalized Korteweg--de Vries (KdV) evolution equations based on a modification of the Lagrangian density whose induced action functional the KdV equation extremizes. It is shown that two…

Mathematical Physics · Physics 2016-08-09 Ivan C. Christov

We study extreme wave formation for the Korteweg-de Vries equation on the torus with random initial data of average size $\epsilon$. We establish a large deviations principle for the supremum of the solution over arbitrarily long polynomial…

Analysis of PDEs · Mathematics 2026-05-04 Riccardo Berforini D'Aquino , Ricardo Grande

We consider large-scale dynamics of non-equilibrium dense soliton gas for the Korteweg-de Vries (KdV) equation in the special "condensate" limit. We prove that in this limit the integro-differential kinetic equation for the spectral density…

Pattern Formation and Solitons · Physics 2024-05-21 T. Congy , G. A. El , G. Roberti , A. Tovbis

We found, through analytical and numerical methods, new towers of infinite number of asymptotically conserved charges for deformations of the Korteweg-de Vries equation (KdV). It is shown analytically that the standard KdV also exhibits…

High Energy Physics - Theory · Physics 2020-06-02 H. Blas , R. Ochoa , D. Suarez

The interaction of localised solitary waves with large-scale, time-varying dispersive mean flows subject to nonconvex flux is studied in the framework of the modified Korteweg-de Vries (mKdV) equation, a canonical model for nonlinear…

Pattern Formation and Solitons · Physics 2021-11-01 Kiera van der Sande , Gennady A. El , Mark A. Hoefer

Numerical simulations of the unidirectional random waves are performed within the Korteweg -de Vries equation to investigate the statistical properties of surface gravity waves in shallow water. Nonlinear evolution shows the relaxation of…

Exactly Solvable and Integrable Systems · Physics 2007-05-23 Anna Kokorina , Efim Pelinovsky

We consider a generalization of the mKdV model of shallow water out-flows. This generalization is a family of equations with nonlinear dispersion terms containing, in particular, KdV, mKdV, Benjamin-Bona-Mahony, Camassa-Holm, and…

Analysis of PDEs · Mathematics 2024-05-28 Jesus Noyola-Rodriguez , Georgy Omel'yanov
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