Chapter
Apr 26, 2012
A Two-Dimensional Multi-Scale Turbulence Model for Breaking Waves
Authors: Qun Zhao [email protected], Steven Armfield [email protected], and Katsutoshi Tanimoto [email protected]Author Affiliations
Publication: Coastal Engineering 2000
Abstract
In this paper, a two-dimensional multi-scale turbulence model is proposed to study breaking waves. The purpose of developing the two-dimensional multi-scale turbulence model was to produce a relatively accurate model with moderate computer requirements. The free surface was tracked by the VOF technique, the log-law profile for the mean velocity was applied at the bottom. Compared to RANS models, the present model showed better agreement with experiments in terms of predicting breaking wave surface elevations, especially near the breaking point. The undertow predicted by the present model is reasonable. The SGS turbulent transport mechanism was also discussed in the paper.
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© 2001 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Center for Applied Coastal Research, University of Delaware, Newark, DE. 19716 USA.E-mail: [email protected]
Department of Mechanical Engineering, Sydney University, Sydney 2006, Australia.E-mail: [email protected]
Department of Civil Engineering, Saitama University, Urawa, Saitama 338-8570, Japan.E-mail: [email protected]
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