Solution of Edge Waves with Multiple Bulging Bed
Date Issued
2007
Date
2007
Author(s)
Han, Zhong-Ding
DOI
zh-TW
Abstract
Researchers of edge waves have often suggested that the varying longshore topography of sloping beach would affect wave heights in flowfields. However, research which has analytical solutions the link betweenalongshoretopographies and waveheightsisscant.Therefore,theaimofthis article attempts to explore how varying longshore topographies of sloping
beaches and wave heights are related. For solving this problem in analytic
way, we mark some assumptions for simplification: Assuming this is
incompressible and irrotational flow in three-dimensional flow field. The
framework of this study is divided into two parts. The first part is to set up
the governing equations for several difference beds. The analytical solutions
are obtained by the perturbation method, the method involving
Fourier-Integral theorem, and the Sommerfeld s part radiation condition. The
second part is considering the interaction between wave and flow in
difference beds. To conclude, this study may be of importance in explaining
the relationship between varying longshore topographies and wave heights,
as well as in providing ocean engineers with a better understanding of edge
waveson coastalocean.
Subjects
沿岸斜面波
傅利葉積分
商末菲德輻射條件
edge waves
Type
thesis
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