Chapter
Dec 31, 2015
Directional Growth for Numerical Wind Wave Models
Authors: W. L. Neu and S. H. KwonAuthor Affiliations
Publication: Coastal Engineering 1986
Abstract
This study is concerned with the operation of spectral wind wave models. Many spectral wind wave models use a growth mechanism which operates on the point spectrum with directionality being introduced after the fact by the use of a spreading function. It is recognized here that this approach leads to errors whenever the wind and wave fields are not aligned. This is demonstrated by comparing the performance of two first generation models under various conditions. One makes use of a point spectral growth mechanism and follows the operation of the Spectral Ocean Wave Model (SOWM). The other uses a directional growth mechanism but is otherwise the same as the first. A large difference between the models is noted for swell corrupted seas.
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© 1987 American Society of Civil Engineers.
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Published online: Dec 31, 2015
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W. L. Neu
Assistant Professor, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
S. H. Kwon
Lecturer, Pusan National University, Pusan, 607, Korea
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