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This paper treats nonlinear wave current interactions in their simplest form, as an overtaking collision. In one spatial dimension, the paper investigates the collision interaction formulated as an initial value problem of a Burgers bore…

Fluid Dynamics · Physics 2024-05-15 Albert. Dombret , Darryl D. Holm , Ruiao Hu , Oliver D. Street , Hanchun Wang

We investigate the coupling between the nonlinear Schr\"odinger equation and the inviscid Burgers equation, a system which models interactions between short and long waves, for instance in fluids. Well-posedness for the associated Cauchy…

Analysis of PDEs · Mathematics 2012-12-11 Paulo Amorim , Joao-Paulo Dias , Mario Figueira , Philippe G. LeFloch

We consider nonlinear wave structures described by the modified Korteweg-de Vries equation with taking into account a small Burgers viscosity for the case of step-like initial conditions. The Whitham modulation equations are derived which…

Pattern Formation and Solitons · Physics 2023-08-21 L. F. Calazans de Brito , A. M. Kamchatnov

Waves with different symmetries exist in two-component Bose-Einstein condensates (BECs) whose dynamics is described by a system of coupled Gross-Pitaevskii (GP) equations. A first type of waves corresponds to excitations for which the…

Quantum Gases · Physics 2016-12-22 A. M. Kamchatnov , Y. V. Kartashov , P. -É. Larré , N. Pavloff

We study the perturbed Burgers-Korteweg-de Vries equation. This equation can be used for the description of nonlinear waves in a liquid with gas bubbles and for the description of nonlinear waves on a fluid layer flowing down an inclined…

Pattern Formation and Solitons · Physics 2016-08-03 Nikolai A. Kudryashov , Dmitry I. Sinelshchikov

New approach is presented to search exact solutions of nonlinear differential equations. This method is used to look for exact solutions of the Korteveg -- de Vries -- Burgers equation. New exact solitary waves of the Korteveg -- de Vries…

Exactly Solvable and Integrable Systems · Physics 2007-05-23 N. A. Kudryashov

In this paper, we study a compound Korteweg-de Vries-Burgers equation with a higher-order nonlinearity. A class of solitary wave solutions is obtained by means of a series expansion.

Analysis of PDEs · Mathematics 2008-01-29 Claire David

A class of differentiable solutions is proved for the isentropic Euler equations in two and three space dimensions. The solutions are explicitly given in terms of solutions to inviscid Burgers equations, and several directions of…

Analysis of PDEs · Mathematics 2010-11-02 Robert E. Terrell

Burgers' equation is a well-studied model in applied mathematics with connections to the Navier-Stokes equations in one spatial direction and traffic flow, for example. Following on from previous work, we analyse solutions to Burgers'…

Complex Variables · Mathematics 2023-04-05 Daniel J. VandenHeuvel , Christopher J. Lustri , John R. King , Ian W. Turner , Scott W. McCue

We study the cosmological Burgers model, as we call it, which is a nonlinear hyperbolic balance law (in one and two spatial variables) posed on an expanding or contracting background. We design a finite volume scheme that is fourth-order in…

Analysis of PDEs · Mathematics 2019-11-19 Yangyang Cao , Mohammad A. Ghazizadeh , Philippe G. LeFloch

We investigate one-dimensional scalar balance laws with singular convolution-type source terms. Under appropriate convexity and kernel assumptions, we establish the global existence of entropy weak solutions in ${\bf L}^2(\mathbb{R})$,…

Analysis of PDEs · Mathematics 2026-05-19 Evangelia Ftaka , Khai T. Nguyen

We study the nonlinear interactions of waves with a doubled-peaked power spectrum in shallow water. The starting point is the prototypical equation for nonlinear uni-directional waves in shallow water, i.e. the Korteweg de Vries equation.…

Chaotic Dynamics · Physics 2009-11-07 M. Onorato , D. Ambrosi , A. R. Osborne , M. Serio

We prove existence and stability results for a two-parameter family of solitary-wave solutions to a system in which an equation of nonlinear Schr\"odinger type is coupled to an equation of Korteweg-de Vries type. Such systems model…

Analysis of PDEs · Mathematics 2014-06-11 John Albert , Santosh Bhattarai

We consider a nonhomogeneous Burgers equation with time variable coefficients, and obtain an explicit solution of the general initial value problem in terms of solution to a corresponding linear ODE. Special exact solutions such as…

Exactly Solvable and Integrable Systems · Physics 2011-04-26 Sirin A. Buyukasik , Oktay K. Pashaev

We prove that the Burgers flow with a steady external forcing has a unique steady state which is a sink. Although this flow cannot be linearized through Cole-Hopf transforms, we prove that it has a convergent Koopman Modes decomposition.…

Analysis of PDEs · Mathematics 2021-10-22 Mikhael Balabane

Motivated by the study of matter waves in Bose-Einstein condensates and coupled nonlinear optical systems, we study a system of two coupled nonlinear Schrodinger equations with inhomogeneous parameters, including a linear coupling. For that…

Dynamical Systems · Mathematics 2009-11-13 Juan Belmonte Beitia , Victor M. Perez Garcia , Pedro J. Torres

In this article we deal with one-dimensional inverse problems concerning the Burgers equation and some related nonlinear systems (involving heat effects and/or variable density). In these problems, the goal is to find the size of the…

Analysis of PDEs · Mathematics 2022-01-05 J. Apraiz , A. Doubova , E. Fernández-Cara , M. Yamamoto

We provide a detailed numerical study of various issues pertaining to the dynamics of the Burgers equation perturbed by a weak dispersive term: blow-up in finite time versus global existence, nature of the blow-up, existence for "long"…

Analysis of PDEs · Mathematics 2015-06-18 C. Klein , J. -C. Saut

Coherent structures are solutions to reaction-diffusion systems that are time-periodic in an appropriate moving frame and spatially asymptotic at $x=\pm\infty$ to spatially periodic travelling waves. This paper is concerned with sources…

Analysis of PDEs · Mathematics 2015-05-27 Margaret Beck , Toan Nguyen , Bjorn Sandstede , Kevin Zumbrun

In this paper we study the Burgers equation with a nonlocal term of the form $Hu$ where $H$ is the Hilbert transform. This system has been considered as a quadratic approximation for the dynamics of a free boundary of a vortex patch. We…

Analysis of PDEs · Mathematics 2015-05-18 Angel Castro , Diego Cordoba , Francisco Gancedo
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