Chapter
Dec 31, 2015
Numerical Modeling of Wave Deformation with a Current
Authors: Susumu Ohnaka, Akira Watanabe, and Masahiko IsobeAuthor Affiliations
Publication: Coastal Engineering 1988
Abstract
A numerical computation method for a wave field coexisting with a current is presented to study wave-current interaction on a slowly varying bottom topography. Derivation is given for a new set of time-dependent mildslope equations extended to a wave and current coexisting field, which can deal with wave deformation due to combined refraction, diffraction, reflection and breaking as well as to wave-current interaction. Discussion is made on the numerical computation schemes, boundary conditions and breaking conditions. Some examples of the numerical computations are shown for wave and current coexisting fields.
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© 1989 American Society of Civil Engineers.
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Published online: Dec 31, 2015
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Susumu Ohnaka
Research Engineer, Technical Research Institute, Toa Corporation, 1-3, Anzen-cyo, Tsurumi-ku, Yokohama, 230 Japan
Akira Watanabe
Professor, Department of Civil Engineering, Univ. of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113 Japan
Masahiko Isobe
Associate Professor, ditto
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