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Mooring line dynamics of a floating wave energy conversion

Authors
Jung, D.H.Shin, S.H.Kim, H.J.Lee, H.S.
Issue Date
2011
Publisher
[publishername] World Scientific
Citation
Asian and Pacific Coasts, 2011 - Proceedings of the 6th International Conference, pp 1207 - 1215
Pages
9
Journal Title
Asian and Pacific Coasts, 2011 - Proceedings of the 6th International Conference
Start Page
1207
End Page
1215
URI
https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/8887
DOI
10.1142/9789814366489_0145
ISSN
0000-0000
Abstract
Dynamic behavior characteristics for the mooring line of a floating wave energy converter with the numerical study are analyzed. The case studies for the different top excitation in the horizontal and axial direction induced by surge and pitch motion of a floater are carried out. On the operational condition, the height of tension variation of a mooring line by the top excitation in the axial direction at the top of a mooring line shows almost 2.5 times than it in the horizontal direction. That can be an important parameter to determine the connection point between a floater and top point of mooring line. It is found that the top excitation with long period by slow drift motion of a floater induces the large excursion resulting in large top tension of a mooring line. In the design of a mooring system point of view, the different natural frequencies according to excursion distance and static configuration should carefully be considered. ? 2011, World Scientific. All rights reserved.
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