Chapter
Dec 31, 2015
Comparison of Turbulent Lateral Mixing Models
Authors: William G. McDougal and Robert T. HudspethAuthor Affiliations
Publication: Coastal Engineering 1984
Abstract
A variety of different lateral mixing models have been employed in the equation of motion for determining wave-induced longshore currents. The equation of motion is cast into a general form which enables a comparison of the various models. Analytic solutions for longshore currents are developed for seven different mixing models. A nonplanar beach profile is employed because it has been found to be representative of many beaches and it allows for a distinction between offshore and depth scaling of eddies. The seven different mixing models include models which vary monotonically with horizontal distance offshore and models which change form at the breaker line. Numerical results indicate that the longshore current profile is rather insensitive to the form of the mixing model for nonplanar beach profiles.
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Published In
Coastal Engineering 1984
Pages: 3197 - 3210
Copyright
© 1985 American Society of Civil Engineers.
History
Published online: Dec 31, 2015
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William G. McDougal
Ocean Engineering Program, Department of Civil Engineering, Oregon State University, Corvallis, Oregon 97331.
Robert T. Hudspeth
Ocean Engineering Program, Department of Civil Engineering, Oregon State University, Corvallis, Oregon 97331.
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