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Transient effects of an FPSO with a broken mooring line

Authors
Gir?n, A.R.C.Kim, B.W.Farf?n, J.A.M.Hern?ndez, A.O.V.Sung, H.G.
Issue Date
2015
Publisher
International Society of Offshore and Polar Engineers
Keywords
Broken mooring line; Coupled analysis; FPSO
Citation
Proceedings of the International Offshore and Polar Engineering Conference, v.2015-January, pp 1631 - 1637
Pages
7
Journal Title
Proceedings of the International Offshore and Polar Engineering Conference
Volume
2015-January
Start Page
1631
End Page
1637
URI
https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/8648
ISSN
1098-6189
Abstract
Breaking of mooring lines is a topic that must be analyzed during the design process of a floating production system. In current design codes this subject is treated as an accidental case. Nevertheless, transient effects after breaking of a line are not considered as relevant. In this paper an analysis of the relevance of the transient effects, in taut-leg mooring line systems made of chain-polyester-chain in an FPSO with ultra-deep depth under severe storm conditions, is considered. Several coupled analysis in time domain in two ways were performed: 1) When a mooring line is absent since the beginning of simulation (with no transient effects); 2) Breaking a line during simulation (with transient effects). Copyright ? 2015 by the International Society of Offshore and Polar Engineers (ISOPE).
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