In this study, different operation factors affecting a ship’s wave statistics are studied, such as the slow steaming and voyage optimizations. Especially, the impact of various voyage optimization methods on the long-term wave statistics and corresponding fatigue damage during ship operations is investigated by comparing the encountered waves with the design wave scatter diagram. Three years of full-scale measurements from a container ship sailing in the North Atlantic are employed to study the impact, in addition to noon reports from two fleets of container ships and VLCCs. Furthermore, the benefits of using voyage optimizations for minimum fatigue damage accumulation during operation are discussed. The large difference of wave statistics is found when the ship follows routes generated by various optimization methods and the design diagram. For some westbound voyages, the voyage optimization methods can significantly decrease the ship’s fatigue damage accumulations, leading to longer fatigue life.

中文翻译：

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航次优化辅助船舶操作对船舶疲劳评估的影响

在这项研究中，研究了影响船舶波浪统计的不同操作因素，例如慢速航行和航行优化。特别是，通过将遇到的波浪与设计波浪散点图进行比较，研究了各种航次优化方法对船舶运行过程中长期波浪统计和相应疲劳损伤的影响。除了来自两个集装箱船和超大型油轮船队的中午报告外，还使用了一艘在北大西洋航行的集装箱船进行的三年全尺寸测量来研究这种影响。此外，还讨论了使用航程优化来最小化操作期间疲劳损伤累积的好处。当船舶遵循各种优化方法和设计图生成的航线时，发现波浪统计数据存在较大差异。