基于时/频域势流理论的旋转型养殖平台系泊系统耦合动力响应分析-《集美大学学报（自然科学版）》

文章信息/Info

Title:: Coupled Dynamic Response of Rotating Aquaculture Platform Mooring System Based on Time-Domain/Frequency-Domain Potential Flow Theory

作者:: 孙倩1; 2; 张晓莹1; 2; 扈喆1; 2; 郑国富1; 3; 林国珍1; 2; 郭军1; 2; 李妍1; 2; 1.集美大学轮机工程学院,福建厦门 361021；2.厦门市海上养殖装备重点实验室，福建厦门 361021;3.福建省水产研究所，福建厦门 361012

Author(s):: SUN Qian1; 2; ZHANG Xiaoying1; 2; HU Zhe1; 2; ZHENG Guofu1; 3; LIN Guozhen1; 2; GUO Jun1; 2; LI Yan1; 2; 1.School of Marine Engineering,Jimei University,Xiamen 361021,China;2.Key Laboratory of Marine Aquaculture Equipment of Xiamen,Xiamen 361021,China;3.Fujian Fisheries Research Institute,Xiamen 361012,China

Keywords:: aquaculture platform; hydrodynamic performance; mooring system; coupled dynamic response; time-domain/frequency-domain potential flow

摘要:: 针对某旋转型养殖平台采用的“粗链+细链”新型系泊方式，开展系泊系统动力响应特性研究。基于时/频域势流理论开展完整自存工况下的平台系泊系统耦合动力响应分析，得到该新型系泊方式下的平台运动响应、锚链拉力统计特性和平台漂移规律等。计算结果表明，“粗链+细链”新型系泊系统可有效限制平台运动，各运动响应均满足使用要求，并且锚链强度满足规范要求。研究发现，在波流同向条件下，“粗链+细链”新型系泊系统的锚链动拉力近似服从正态分布，且均值与静拉力相当。

Abstract:: A study was conducted on the dynamic response characteristics of the mooring system for a rotating aquaculture platform using a new mooring method of “thick-and-thin chain”.Based on SESAM,frequency domain analysis of the platform under complete self-existing conditions and coupled time-domain dynamic response analysis of the platform mooring system were carried out,and the platform-motion response,chain-tension statistical characteristics,and platform drift under this novel mooring method were obtained.The calculation results indicate that the new mooring system of “thick-and-thin chain” can effectively constrain the platform motion,and all motion responses meet the usage requirements.The chain strength meets the specification requirements.Research has found that under the condition of wave and current in the same direction,the dynamic tension of the “thick-and-thin chain” mooring system follows a normal distribution approximately,and the mean is equivalent to the static tension.