Results 21 to 30 of about 125 (34)

Stability and Instability of Solitary Wave Solutions of a Nonlinear Dispersive System of Benjamin-Bona-Mahony Type [PDF]

open access: yes, 2003
2000 Mathematics Subject Classification: 35B35, 35B40, 35Q35, 76B25, 76E30.This paper concerns the orbital stability and instability of solitary waves of the system of coupling equations of Benjamin-Bona-Mahony type.
Hakkaev, Sevdzhan
core  

New asymptotic heat transfer model in thin liquid films

open access: yes, 2017
In this article, we present a model of heat transfer occurring through a li\-quid film flowing down a vertical wall. This new model is formally derived using the method of asymptotic expansions by introducing appropriately chosen dimensionless variables.
Chhay, Marx   +3 more
core   +2 more sources

Solitary wave solutions to a class of Whitham?Boussinesq systems [PDF]

open access: yes, 2019
In this note, we study solitary wave solutions of a class of Whitham–Boussinesq systems which include the bidirectional Whitham system as a special example. The travelling wave version of the evolution system can be reduced to a single evolution equation,
Nilsson, Dag Viktor, Wang, Yuexun
core   +1 more source

Some special solutions to the Hyperbolic NLS equation

open access: yes, 2017
The Hyperbolic Nonlinear Schrodinger equation (HypNLS) arises as a model for the dynamics of three-dimensional narrowband deep water gravity waves. In this study, the Petviashvili method is exploited to numerically compute bi-periodic time-harmonic ...
Dutykh, Denys   +2 more
core   +2 more sources

Petrov galerkin method with cubic B splines for solving the MEW equation [PDF]

open access: yes, 2012
In the present paper, we introduce a numerical solution algorithm based on a Petrov-Galerkin method in which the element shape functions are cubic B-splines and the weight functions quadratic B-splines .
Geyikli, Turabi   +1 more
core   +1 more source

The KdV hierarchy: universality and a Painleve transcendent

open access: yes, 2011
We study the Cauchy problem for the Korteweg-de Vries (KdV) hierarchy in the small dispersion limit where $\e\to 0$. For negative analytic initial data with a single negative hump, we prove that for small times, the solution is approximated by the ...
Claeys, T., Grava, T.
core   +1 more source

Instability of standing waves of the Schrödinger equation with inhomogeneous nonlinearity [PDF]

open access: yes, 2006
This paper is concerned with the inhomogeneous nonlinear Shrödinger equation (INLS-equation)iu_t + Δu + V(Єx)│u│^pu = 0, x Є R^N. In the critical and supercritical cases p ≥ 4/N, with N ≥ 2, it is shown here that standing-wave solutions of (INLS-equation)
Liu, Yue, Wang, Ke, Wang, Xiao-Ping
core  

A modified Galerkin/finite element method for the numerical solution of the Serre-Green-Naghdi system

open access: yes, 2016
A new modified Galerkin / Finite Element Method is proposed for the numerical solution of the fully nonlinear shallow water wave equations. The new numerical method allows the use of low-order Lagrange finite element spaces, despite the fact that the ...
Alenitsyn   +62 more
core   +2 more sources

Solitary gravity-capillary water waves with point vortices

open access: yes, 2015
We construct small-amplitude solitary traveling gravity-capillary water waves with a finite number of point vortices along a vertical line, on finite depth. This is done using a local bifurcation argument.
Varholm, Kristoffer
core   +1 more source

On the origin of the Korteweg-de Vries equation

open access: yes, 2011
The Korteweg-de Vries equation has a central place in a model for waves on shallow water and it is an example of the propagation of weakly dispersive and weakly nonlinear waves.
de Jager, E. M.
core  

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