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 Binbin Li,Kun Liu,Gongwei Yan and Jinping Ou.Hydrodynamic Comparison of a Semi-submersible, TLP, and Spar: Numerical Study in the South China Sea Environment[J].Journal of Marine Science and Application,2011,(3):306-314.[doi:10.1007/s11804-011-1073-2]
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Hydrodynamic Comparison of a Semi-submersible, TLP, and Spar: Numerical Study in the South China Sea Environment


Hydrodynamic Comparison of a Semi-submersible, TLP, and Spar: Numerical Study in the South China Sea Environment
Binbin Li Kun Liu Gongwei Yan and Jinping Ou
Binbin Li Kun Liu Gongwei Yan and Jinping Ou
1. School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore 2. School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China 3. School of Civil and Hydraulic Engineering, Dalian University of Technology, Dalian 116024, China
Semi-submersible Spar tension leg platform (TLP) South China Sea hydrodynamics
The South China Sea contains tremendous oil and gas resources in deepwater areas. However, one of the keys for deepwater exploration, the investigation of deepwater floating platforms, is very inadequate. In this paper, the authors studied and compared the hydrodynamics and global motion behaviors of typical deepwater platforms in the South China Sea environment. The hydrodynamic models of three main types of floating platforms, e.g. the Semi-submersible, tension leg platform (TLP), and Truss Spar, which could potentially be utilized in the South China Sea, were established by using the 3-D potential theory. Additionally, some important considerations which significantly influence the hydrodynamics were given. The RAOs in frequency domains as well as global motions in time domains under time-varying wind, random waves, and current in 100-y, 10-y, and 1-y return period environment conditions were predicted, compared, and analyzed. The results indicate that the heave and especially the pitch motion of the TLP are favorable. The heave response of the Truss Spar is perfect and comparable with that of the TLP when the peak period of random waves is low. However, the pitch motion of Truss Spar is extraordinarily larger than that of Semi-submersible and TLP.


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Supported by the National Sci-Tech Major Special Item (No.2008ZX05056-03)
Last Update: 2011-09-15