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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51986

Title: Dynamic Behaviors of a Moored Floating Structure with Flexible Skirts
Authors: Wen-Kai Weng
Ruey Syan Shih
Tru Duc Tran
Keywords: Floating structure
dual boundary element method
response amplitude operators
flexible skirts
Date: 2016-01
Issue Date: 2019-01-10T07:17:28Z
Publisher: Journal of Energy and Power Engineering
Abstract: Abstract: A numerical model was developed by using the dual boundary element method to investigate the dynamic behavior of a moored floating structure with a pair of vertical and flexible skirts attached at its bottom in the linear wave field. Theoretical conception is based on potential theory with linear external forces. The motions of the structure were assumed to be small and linear. The flexible skirts mounted beneath the structure were assumed uniform flexural rigidity and the thickness of the skirts was negligible. Comparison between the present model and Gesraha’s solution was made to verify the results for a moored floating structure with or without rigid skirts. The influence of the skirt rigidity on the moored floating structure, moored lines and waves is investigated in this study. The results show that, the natural frequencies of structure’s oscillation, moored force, wave reflection and transmission tend to the region of short-period waves when the flexible rigidity gradually decreases. Positive correlation exists between the aft mooring force and the pitch motion of the floating structure.
Relation: 10(1)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51986
Appears in Collections:[河海工程學系] 期刊論文

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