The influence of GM on surf-riding and broaching of the ITTC A2 fishing vessel (Length between perpendiculars: 34.5 m, Breadth: 7.60 m, Draught: 2.65 m) are investigated using a 6-DOF numerical model. The numerical model is validated by comparisons with the model experiment provided in the literature. Then, through numerical simulations in following and quartering seas with different GM values, it is found that the threshold Froude number Fnth of surf-riding and broaching is around Fnth = 0.39 for all GM values, and the ship tends to capsize as the wave direction growing. The change on GM value has significant influence on the occurrence of broaching and capsizing. The ship is vulnerable to capsizing when GM = 0.8 m. However, Almost no capsizing occurs even in large quartering waves when GM = 1.2 m.
Influence of GM on Surf-Riding and Broaching of the Fishing Vessel
Lecture Notes in Civil Engineering
Practical Design of Ships and Other Floating Structures ; 2019 ; Yokohama, Japan September 22, 2019 - September 26, 2019
2020-10-06
15 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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