Numerical Simulation of Wave Height and Wave Set-Up in Nearshore Regions

被引：0
|
作者：
郑永红
邱大洪
沈永明
机构：
[1] Academician of Chinese Academy of Sciences
[2] China
[3] Chinese Academy of Sciences
[4] Dalian 116023
[5] Dalian University of Technology (OUT)
[6] Guangzhou Institute of Energy Conversion
[7] OUT Guangzhou 510070
[8] State Key Laboratory of Coastal and Offshore Engineering
来源：
China Ocean Engineering | 2001年 / 01期
基金：
中国国家自然科学基金;
关键词：
wave energy dissipation; wave set-up; wave height associated with breaking; mathematical model; numerical simulation;
D O I：
暂无
中图分类号：
P731.22 [波浪];
学科分类号：
摘要：
Based on the time dependent mild slope equation including the effect of wave energy dissipation, an expression for the energy dissipation factor is derived in conjunction with the wave energy balance equation, and then a practical method for the simulation of wave height and wave set-up in nearshore regions is presented. The variation of the complex wave amplitude is numerically simulated by use of the parabolic mild slope equation including the effect of wave energy dissipation due to wave breaking. The components of wave radiation stress are calculated subsequently by new expressions for them according to the obtained complex wave amplitude, and then the depth-averaged equation is applied to the calculation of wave set-up due to wave breaking. Numerical results are in good agreement with experimental data, showing that the expression for the energy dissipation factor is reasonable and that the new method is effective for the simulation of wave set-up due to wave breaking in nearshore regions.
引用
收藏
页码：15 / 23
页数：9
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