Nonlinear effect of wave propagation in shallow water

被引：0

作者：

Li, RJ ^{[1
]}

Wang, HJ ^{[1
]}

机构：

[1] Ocean Univ Qingdao, Qingdao 266003, Peoples R China

来源：

CHINA OCEAN ENGINEERING | 1999年 / 13卷 / 01期

关键词：

wave propagation; shallow water; nonlinearity; refraction and diffraction; empirical dispersion relation;

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

In this paper, a nonlinear model is presented to describe wave transformation in shallow water with the zero- vorticity equation of wave- number vector and energy conservation equation. The nonlinear effect due to an empirical dispersion relation (by Hedges) is compared with that of Dalrymple's dispersion relation. The model is tested against the laboratory measurements for the case of a submerged elliptical shoal on a slope beach, where both refraction and diffraction are significant. The computation results, compared with those obtained through linear dispersion relation, show that the nonlinear effect of wave transformation in shallow water is important. And the empirical dispersion relation is suitable for researching the nonlinearity of wave in shallow water.

引用

页码：109 / 114

页数：6

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