The spar platform concept develops quickly in the oil and gas exploitations in offshore areas, especially in deep and ultra-deep water. From the first generation of classic spar, the spar concept has developed into the second generation of truss spar and the third generation of cell spar, and many new spar concepts are being put forward by the ocean structure design companies and research institutes. The purpose of those designs mainly focuses on the reduction of fabrication difficulties and cost, while satisfying the requirement of exploitation at meantime. This paper presents a numerical study on the hydrodynamic behavior of a cell-truss spar platform. Features of truss spar and cell spar were both taken into account in the new spar concept, aiming to take advantage of the heave plate damping feature of the truss spar to obtain satisfactory heave motion performance, while reduce manufacture and installation difficulties with cell concept. The whole spar concept with risers and mooring system were modeled by means of numerical simulation, and fully time-domain coupled analysis was conducted to investigate hydrodynamics of the spar platform both in operating and survival conditions.
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ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering
June 10–15, 2007
San Diego, California, USA
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
Volume 1: Offshore Technology; Special Symposium on Ocean Measurements and Their Influence on Design
ISBN:
0-7918-4267-3
PROCEEDINGS PAPER
Numerical Study on the Hydrodynamic Behavior of a New Cell-Truss Spar Platform
Fan Zhang,
Fan Zhang
Shanghai Jiao Tong University, Shanghai, China
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Jian-Min Yang,
Jian-Min Yang
Shanghai Jiao Tong University, Shanghai, China
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Run-Pei Li,
Run-Pei Li
Shanghai Jiao Tong University, Shanghai, China
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Gang Chen
Gang Chen
Shanghai Jiao Tong University, Shanghai, China
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Fan Zhang
Shanghai Jiao Tong University, Shanghai, China
Jian-Min Yang
Shanghai Jiao Tong University, Shanghai, China
Run-Pei Li
Shanghai Jiao Tong University, Shanghai, China
Gang Chen
Shanghai Jiao Tong University, Shanghai, China
Paper No:
OMAE2007-29086, pp. 93-102; 10 pages
Published Online:
May 20, 2009
Citation
Zhang, F, Yang, J, Li, R, & Chen, G. "Numerical Study on the Hydrodynamic Behavior of a New Cell-Truss Spar Platform." Proceedings of the ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering. Volume 1: Offshore Technology; Special Symposium on Ocean Measurements and Their Influence on Design. San Diego, California, USA. June 10–15, 2007. pp. 93-102. ASME. https://doi.org/10.1115/OMAE2007-29086
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