| Theoretical Model and Dynamic Analysis of Soft Yoke Mooring System |
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| 作者姓名： | 肖龙飞 杨建民 杨立军 李欣 |
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| 作者单位： | State Key Laboratory of Ocean Engineering Shanghai Jiao Tong University，State Key Laboratory of Ocean Engineering Shanghai Jiao Tong University，State Key Laboratory of Ocean Engineering Shanghai Jiao Tong University，State Key Laboratory of Ocean Engineering Shanghai Jiao Tong University，Shanghai 200030 China，Shanghai 200030 China，Shanghai 200030 China，Shanghai 200030 China |
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| 基金项目： | 国家高技术研究发展计划(863计划)，上海市自然科学基金 |
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| 摘 要： | As a popular solution for mooring an FPSO （Floating Production, Storage and Offloading） permanently in shallow water, the soft yoke mooring system has been widely used in ocean oil production activities in the Bohai Bay of China. In order to simulate the interaction mechanism and conduct dynamic analysis of the soft yoke mooring system, a theoretical model with basic dynamic equations is established. A numerical iteration algorithm based on error estimation is developed to solve the equations and calculate the dynanfic response of the mooring system due to FPSO motions. Validation is conducted by wave basin experimentation. It is shown that the numerical simulation takes only a few iteration times and the final errors are small. Furthermore, the calculated results of both the static and dynamic responses agree well with those ones obtained by the model test. It indicates that the efficiency, the precision, the reliability and the validity of the developed numerical algorithm and program are rather good. It is proposed to develop a real-time monitoring system to further monitor the dynamic performance of the FPSO with a soft yoke mooring system under various real sea environments.
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| 关 键 词： | 软钢臂系泊系统 动态分析 FPSO 浅水区 |
Theoretical Model and Dynamic Analysis of Soft Yoke Mooring System |
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| XIAO Long-fei,YANG Jian-min,YANG Li-jun,LI Xin.Theoretical Model and Dynamic Analysis of Soft Yoke Mooring System[J].China Ocean Engineering,2008,22(2):195-204. |
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| Authors: | XIAO Long-fei YANG Jian-min YANG Li-jun LI Xin |
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| Institution: | State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong Univershy, Shanghai 200030, China |
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| Abstract: | As a popular solution for mooring an FPSO (Floating Production, Storage and Offloading) permanently in shallow water, the soft yoke mooring system has been widely used in ocean oil production activities in the Bohai Bay of China. In order to simulate the interaction mechanism and conduct dynamic analysis of the soft yoke mooring system, a theoretical model with basic dynamic equations is established. A numerical iteration algorithm based on error estimation is developed to solve the equations and calculate the dynamic response of the mooring system due to FPSO motions. Validation is conducted by wave basin experimentation. It is shown that the numerical simulation takes only a few iteration times and the final errors are small. Furthermore, the calculated results of both the static and dynamic responses agree well with those ones obtained by the model test. It indicates that the efficiency, the precision, the reliability and the validity of the developed numerical algorithm and program are rather good. It is proposed to develop a real-time monitoring system to further monitor the dynamic performance of the FPSO with a soft yoke mooring system under various real sea environments. |
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| Keywords: | soft yoke mooring system dynamic analysis FPSO shallow water |
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