A Flux Source Method for Ship Wave Generation in a Boussinesq-type Wave Model

被引：1
|
作者：
Hirayama, Katsuya [1 ]
Higuchi, Naoto [2 ]
机构：
[1] Port & Airport Res Inst, Coastal & Ocean Engn Dept, Wave Grp, Yokosuka, Kanagawa, Japan
[2] ECOH Corp, Disaster Prevent Div, Disaster Prevent Engn Dept, Taito Ku, Tokyo, Japan
来源：
INTERNATIONAL JOURNAL OF OFFSHORE AND POLAR ENGINEERING | 2020年 / 30卷 / 03期
关键词：
Ship-induced wave; slender-ship; moving flux; Lewis form; NOWT-PARI; Boussinesq-type model; harbor tranquility; EQUATIONS; FORM; PROPAGATION; RUNUP;
D O I：
10.17736/ijope.2020.hc18
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
A moving flux source is modified to predict ship waves by using NOWT-PARI (NOnlinear Wave Transformation model by the Port and Airport Research Institute), taking into account the expandability of setting ship navigation channels and applicability for representative ship shape in a harbor. The fluxes on a slender-ship sailing are generated with two functions approximating ship shape: a modified parabolic function and an interpolation of Lewis form. Through several sets of numerical simulations reproducing ship waves measured in model experiments, a tuning parameter related to the ratio of ship width and length to computational mesh size is introduced in order to secure independence of the calculation accuracy of ship waves from a spatial resolution.
引用
收藏
页码：308 / 317
页数：10
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