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A model of the wave and current boundary‐layer structure
Author(s) -
Shi John Z.,
Lu LiFeng
Publication year - 2006
Publication title -
hydrological processes
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.222
H-Index - 161
eISSN - 1099-1085
pISSN - 0885-6087
DOI - 10.1002/hyp.6542
Subject(s) - turbulence modeling , amplitude , mechanics , turbulence kinetic energy , turbulence , kinetic energy , boundary layer , physics , closure (psychology) , classical mechanics , geology , meteorology , optics , economics , market economy
A model of the wave and current boundary‐layer structure was developed using the k –ε turbulent closure model. The finite‐difference method was used to solve the governing equations. Vertical logarithmic grids and equal time steps were adopted. The following modelled simulations were obtained: (1) vertical profiles of wave velocity amplitude, eddy viscosity coefficient and turbulent kinetic energy with waves only; (2) vertical profiles of wave velocity amplitude, mean current velocity, eddy viscosity coefficient and turbulent kinetic energy with waves having a following current. To test the validity and the rationality of the present model, vertical profiles of modelled wave velocity amplitude and mean velocity were compared with corresponding experimental results available in the literature. Copyright © 2006 John Wiley & Sons, Ltd.

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