Investigation of Twin-Screw Naval Ships Maneuverability Behavior
Investigation of Twin-Screw Naval Ships Maneuverability Behavior
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DOI：
10.5957/josr.55.4.090031
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发表时间：
2011-12-01
影响因子：
1.4
通讯作者：
Viviani, Michele
中科院分区：
文献类型：
--
作者：
Di Mascio, Andrea;Dubbioso, Giulio;Viviani, Michele
船舶机动性的问题目前已达到重要的考虑，无论是商船，由于采用海事组织的标准，还是海军舰艇，由于北约专家小组制作各种文件。在文献中，关于单螺杆慢/中速船的机动性研究较多，而关于双螺杆船（游轮、滚装船、巨型游艇、海军舰艇）的研究较少。这些船舶通常具有不同的船体形状和更复杂的船尾结构，因为存在诸如斜桁，轴线和支架等附件，这些附件可以强烈地影响机动性行为。本文研究了统计回归、系统识别和RANSE等多种预测方法来评估海军双螺杆舰船的机动性能。该分析的结果清楚地证明了船尾附属物对这类船舶的机动性影响的重要性（包括由船体/附属物相互作用产生的非线性效应）。
The problem of ship maneuverability has currently reached a significant consideration, both for merchant ships, with the adoption of IMO standards, and naval ships, with the production of various documents by NATO Specialist Teams. In literature, many works regarding maneuverability of single-screw slow/medium speed ships are present, while a lack of information about twin-screw ships (cruise ships, Ro/Ro ferries, megayachts, naval vessels) exists. These ships are usually characterized by different hull forms and more complex stern configuration because of the presence of appendages such as skegs, shaft lines, and brackets, which can strongly affect maneuverability behavior. In this work various prediction methods, namely statistical regressions, system identification, and RANSE, are investigated to evaluate twin-screw naval vessels maneuverability behavior. Results of this analysis clearly evidence importance of stern appendages influence on maneuverability capabilities of this type of ship (including also nonlinear effects resulting from hull/appendage interactions).