Weakly nonlinear water waves over varying topography

This thesis consists of 2 sections, part A chapters 1-6 and part B chapters 6-7 with references and appendices. The cubic Schrodinger equation for weakly nonlinear water gravity waves had been extended for application to a wider frequency bandwidth and over a more rapidly varying depth using the mul...

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Bibliographic Details
Main Author: Xiao, Rong
Other Authors: Lo, Edmond Yat-Man
Format: Theses and Dissertations
Language:English
Published: 2008
Subjects:
Online Access:http://hdl.handle.net/10356/12124
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Institution: Nanyang Technological University
Language: English
Description
Summary:This thesis consists of 2 sections, part A chapters 1-6 and part B chapters 6-7 with references and appendices. The cubic Schrodinger equation for weakly nonlinear water gravity waves had been extended for application to a wider frequency bandwidth and over a more rapidly varying depth using the multiple scales method. By a re- ordering of the perturbation expansion procedure, the resulting equation set included higher order linear dispersive and depth dependent terms, and the leading nonlinear terms, without having to extend the derivation to fourth order in the wave steepness.