A numerical wave tank for nonlinear waves with passive absorption

被引：0

作者：

Chou, CR ^{[1
]}

Shih, RS ^{[1
]}

Yim, JZ ^{[1
]}

机构：

[1] Natl Taiwan Ocean Univ, Dept Harbour & River Engn, Chilung 20224, Taiwan

来源：

CHINA OCEAN ENGINEERING | 2001年 / 15卷 / 02期

关键词：

numerical wave tank; absorbing beach; irregular waves;

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

A numerical wave tank with passive absorption for irregular waves is considered in this paper. Waves with spectral shapes corresponding to that of the Mitsuyasu- Bretschneider type are used as the initial condition at one end of the flume, An absorbing boundary is imposed at the other end of the wave flume to minimize reflection. By use of a Lagrangian description for the Surface elevation, and finite difference for approximation of the time derivative, the problem is then solved by the boundary element method, The effects of the absorbing boundary are investigated by varying the values of the absorption coefficient mu, and studying the time histories of the Surface elevations "recorded" on pre-selected locations.

引用

页码：253 / 268

页数：16

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