以7模块MOB为研究对象，利用RMFC模型，基于势流理论对7个构成模块单元进行3D水动力性能分析，计算过程中考虑了由于遮蔽效应而导致的浮体间相互作用。编制基于频域的多浮体运动和柔性连接器载荷计算程序，计算在规则波和不规则波下的连接器载荷值，并比较不同连接器刚度下各柔性连接器载荷值。计算结果表明，波浪入射角、波频、连接器刚度和海况对连接器载荷响应具有显著影响。本文的计算结果可为MOB柔性连接器设计与模块耐波性设计提供参考。
Based on the rigid module flexible connector (RMFC) model and the potential flow theory, the three-dimensional hydro dynamic response of 7 mobile semi submersible mobile offshore base (MOB) is calculated, considering interaction between modules. The connector loads are calculated in the frequency domain under the regular wave and irregular wave load cases, and we also compare the connectors' loads under different connector stiffness. The numerical results show that the wave direction, wave frequency, connector stiffness and sea conditions have obvious influence on the connector load. The calculation method and results of this paper can provide theoretical basis for the design of the connector of very large floating structure(VLFS).
2017,39(5): 77-81,87 收稿日期：2016-11-28
DOI：10.3404/j.issn.1672-7619.2017.05.015
分类号：U661.43
基金项目：浙江省自然科学基金资助项目（LY14E090003）；舟山市科技局项目浙江海洋大学专项（2016C41019）
作者简介：张波(1988-),男,硕士研究生,助教,主要研究方向为船舶与海洋结构物水动力性能计算和强度校核
参考文献：
[1] 袁宇波. 船舶碰撞载荷对超大型浮式结构物连接器载荷的影响[D]. 镇江:江苏科技大学, 2012.
[2] 张波. 模块个数对模块个数对超大型海上移动基地动力响应的影响[J]. 船舶力学, 2013, 17(1-2):49-57. ZHANG Bo. Influence of module number on dynamic response of very large mobile offshore base[J]. Journal of Ship Mechanics, 2013, 17(1-2):49-57.
[3] 张波. 超大型浮式结构物动力响应与风险评估研究[D]. 镇江:江苏科技大学, 2013.
[4] 余澜, 丁伟. 移动式海上基地多模块间相互作用对连接器载荷的影响[J]. 海洋工程, 2004, 22(1):25-31. YU Lan, DING wei. Effect of the multiple modules interaction on MOB connector loads[J]. The Ocean Engineering, 2004, 22(1):25-31.
[5] 余澜. 移动式海上基地(Mobile Offshore Base-MOB)连接器动力响应研究[D]. 上海:上海交通大学, 2004.
[6] 刘超. 超大型浮体多模块柔性连接结构响应研究[D]. 北京:中国舰船研究院, 2014. LIU Chao. Research on structural response of multi-module flexible connectors for very large floating structures[D]. Beijing:China Ship Scientific Research Center. 2014.
