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| Investigation on Hydrodynamics of a Truss Spar in South China Sea |
| ZHANG Lei-1, YANG Jian-Min-1, ZHANG Yan-Fang-2, LIU Pei-Lin-2, 吕Hai-Ning-1 , LIU Jian-Hui-2 |
| (1. State Key Laboratory of Ocean Engineering, Shanghai Jiaotong University,Shanghai 200240, China; 2. COOEC, Tianjin 300452, China) |
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Abstract Based on 3D potential theory, dynamic coupled timedomain analysis and hybrid model testing technique, investigations are focused on a 1 500 m deepwater Truss Spar in South China Sea with different sea states for operational loading condition. Hydrodynamic performances of the Spar are well predicted including surge, heave and pitch motions. It can be concluded that lowfrequency response of heave and pitch motions should be taken seriously, as well as the surge motion, which is mainly predominant by low frequency response. While the heave motion response seems relatively moderate. It can satisfy the requirements of offshore oil and gas production.
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Received: 05 April 2011
Published: 30 March 2012
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