作为一种综合性浮式平台，浮式钻井生产储油船简称FDPSO，具备石油钻探、生产、储备等功能，是在浮式生产储油船的基础上发展而来。FDPSO主要工作于海况比较恶劣的深水海域，因而如何准确预报FDPSO的运动响应和锚链的预张力非常必要。本文基于时域耦合方法对FDPSO运动响应和锚链的预张力进行预报，在此基础上将数值结果与试验结果进行对比以验证理论计算的可靠性。通过改变锚链线的预张力来研究预张力对FDPSO运动响应的影响。文中提供了运动响应的时历曲线和响应谱，并对比分析其中的异同，结果表明锚链预张力对纵荡、横荡和横摇运动的响应影响比较大。
As a multifunction floating platform, Floating Drilling, Production, Storage and Offloading (FDPSO) combining the well-known Floating Production, Storage and Offloading (FPSO) with a drilling unit. For the environment condition of deep-water oilfield is very severe, the motion response and mooring line tension of FDPSO is a worthy topic of studying. In this study, the numerical time-domain coupled prediction method for the mooring line tension and motion response of FDPSO system is constructed by Ansys AQWA software. Furthermore, the results of a model test conducted in Harbin Engineering University are used to investigate the feasibility and validity of the commercial simulation. The effect of mooring line pre-tension on the response of FDPSO is studied by varying the pre-tension of mooring line during the calculation. The time series curve of the mooring line tension and motion response, and the comparison of motion spectrum and mooring line tension spectrum are provided in this article. The findings from this study have shown the pre-tension of mooring line has considerable influence on the surge, sway and roll motion's spectrum density distribution.
2017,39(3): 23-28 收稿日期：2016-07-11
DOI：10.3404/j.issn.1672-7619.2017.03.005
分类号：P751
作者简介：晏柳(1992-),女,硕士研究生,研究方向为环境载荷与结构物强度
参考文献：
[1] 苏志勇, 陈刚. 混合模型试验中截断系泊缆动力特性差异研究[D]. 上海:上海交通大学, 2009.
[2] SMITH, CHEN M C, RADWAN A M. "Systematic data for the preliminary design of mooring systems[J]". Offshore Mechanics and Arctic Engineering Symposium, 1985[1].
[3] RADWAN, CHEN A M C, LEAVITT C W. "Design Curves for Chain Mooring Systems[J]". Offshore Mechanics and Arctic Engineering Symposium, 1986(3).
[4] XU Sheng, JI Chun-yan. "Dynamic of large-truncated mooring systems coupled with a catenary moored semi-submersible[J]". China Ocean Engineering, 2014,28(2), 149-162.
[5] CHEN X H, MA J, W. "On dynamic coupling effects between a spar and its mooring lines[J]". Ocean Engineering, 2001, 28:863-887.
[6] LUIS O G, MIACHAEL M B. "Analytical expressions of the bifurcation boundaries for symmetric spread mooring systems". Appl Ocean Res, 1995, 17:325-341.
[7] MONTASIR O A, YENDURI A, KURIAN V J. "Effect of mooring line configurations on the dynamic responses of truss Spar platforms[J]". Ocean Engineering, 2015, 96:161-172.
[8] 戴遗山, 段文洋. 船舶在波浪中运动的势流理论[M]. 北京:国防工业出版社, 2008.
[9] 刘应中, 缪国平. 船舶在波浪上的运动理论[M]. 上海:上海交通大学出版社, 1987.
[10] American Petroleum Institute (API). Design and Analysis of Stationkeeping Systems for Floating Structures. Recommended Practice 2SK, API-RP-2SK, 2005.
[11] JI Chun-yan, YUAN Zhi-ming. "Study on a new mooring system integrating catenary with taut mooring"[J]. China Ocean Engineering, 2005, 25:427-440.
[12] 李焱, 唐友刚, 赵志娟. 新型多筒式FDPSO概念设计及其系泊系统分析[J]. 中国舰船研究, 2013(5).LI Yan, TANG You-gang, ZHAO Zhi-juan. Concept design and analysis of the mooring system for the new type of multi-tubular FDPSO[J]. Chinese Journal of Ship Research, 2013(5).
