Asymptotic Perturbation Theory Of Waves
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A01=Lev Ostrovsky
Author_Lev Ostrovsky
Category=PBW
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Integrable Systems
Kink
Korteweg-de Vries Equation
Lagrangian
Newtonian Particles
Nonintegrable Equations
Perturbation Methods
Soliton
Vortex
Product details
- ISBN 9781848162358
- Publication Date: 14 Nov 2014
- Publisher: Imperial College Press
- Publication City/Country: GB
- Product Form: Hardback
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This book is an introduction to the perturbation theory for linear and nonlinear waves in dispersive and dissipative media. The main focus is on the direct asymptotic method which is based on the asymptotic expansion of the solution in series of one or more small parameters and demanding finiteness of the perturbations; this results in slow variation of the main-order solution. The method, which does not depend on integrability of basic equations, is applied to quasi-harmonic and non-harmonic periodic waves, as well as to localized waves such as solitons, kinks, and autowaves. The basic theoretical ideas are illustrated by many physical examples throughout the book.
