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Journal Article

Citation

Ostrovsky L, Pelinovsky E, Shrira V, Stepanyants Y. Chaos Solitons Fractals 2015; 25(9): e097620.

Affiliation

Department of Applied Mathematics, Nizhny Novgorod State Technical University, Nizhny Novgorod 603950, Russia.

Copyright

(Copyright © 2015, Elsevier Publishing)

DOI

10.1063/1.4927448

PMID

26428573

Abstract

Several threads of the last 25 years' developments in nonlinear wave theory that stem from the classical Korteweg-de Vries (KdV) equation are surveyed. The focus is on various generalizations of the KdV equation which include higher-order nonlinearity, large-scale dispersion, and a non-local integral dispersion. We also discuss how relatively simple models can capture strongly nonlinear dynamics and how various modifications of the KdV equation lead to qualitatively new, non-trivial solutions and regimes of evolution observable in the laboratory and in nature. As the main physical example, we choose internal gravity waves in the ocean for which all these models are applicable and have genuine importance. We also briefly outline the authors' view of the future development of the chosen lines of nonlinear wave theory.


Language: en

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