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Parametric rolling behaviour of azimuthing propulsion-driven ships

机译:方位角推进船的参数滚动行为

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The study investigates the experimental and numerical analysis of the occurrence of auto-parametric rolling for large, high-speed pod-driven ships in waves. Considering unique design and performance targets, the aim here is to exploit susceptibility to auto-parametric rolling behaviour and to identify probable design and operational precautions. In order to achieve this aim, an existing non-linear time-domain software to simulate capsizing and other critical manoeuvring behaviours of slow- to medium-speed conventional and podded ships in waves is being enhanced for fast pod-driven vessels and then compared against the dedicated model test conducted in long-crested regular and random waves for a large, pod-driven containership model. This paper includes the presentation of current numerical modifications for pod-driven ships and the verification analysis.
机译:本研究调查了大型高速吊舱驱动船舶在波浪中发生自动参量滚动的实验和数值分析。考虑到独特的设计和性能目标,此处的目的是利用对自动参数滚动行为的敏感性,并确定可能的设计和操作预防措施。为了实现这一目标,现对现有的非线性时域软件进行了仿真,以模拟慢速至中速常规和荚装船在波浪中的倾覆和其他关键操纵行为,以用于快速荚式驱动的船舶,然后将其与针对大型吊舱驱动的集装箱船模型,以长波规则和随机波进行的专用模型测试。本文包括对吊舱驱动型船舶的当前数值修改的介绍以及验证分析。

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