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风浪流作用下漂浮式DeepCWind浮式平台动力性能和系泊系统的影响 预览 被引量:2

The Dynamic Performance and the Effects of the Mooring System for a Floating DeepCWind Platform under Wind Wave and Currents
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摘要 以DeepCWind半潜式浮式平台为研究对象,运用ANSYS/AQWA软件,考虑不同风浪流入射角、锚链长度以及锚链是否破断等情况下,研究锚链张力、系泊刚度、系泊力以及卧链长度等因素对浮式平台运动性能的影响。研究结果表明:系泊刚度和系泊力共同抑制浮式平台的运动;纵荡和纵摇的位移幅值在风浪流入射角为90°时达到最小值;纵荡位移与锚链长度成正比,纵摇与锚链长度成反比;在迎浪侧,破断的锚链会使得其相邻两侧的锚链张力显著增加,加剧纵荡位移,但对纵摇影响较小。 Taking DeepCWind type semi-submersible floating platform as the research object and using ANSYS/AQWA software,the effects of the tension,stiffness,mooring forces and horizontal length of mooring lines on the moving performance of this platform were investigated in consideration of different directions of environmental loadings,the length of mooring lines,and whether the mooring lines break or not.The results show that mooring stiffness and mooring force suppress the floating platform s motion together;surge and pitch motions reach the minimum value when the incident angle is 90°;the surge is proportional to the cable length,while the pitch is inversely proportional to the cable length;on the side of the receiving wave,the broken cable will significantly increase the tension of the adjacent sides and increase the surging motion,but it has little influence on the pitching motion.
出处 《科学技术与工程》 北大核心 2018年第11期176-183,共8页 Science Technology and Engineering
基金 国家自然科学基金(51679139 51278297)、国家自然科学基金重大项目(51490674)和上海市自然科学基金(17ZR1415100)资助
关键词 浮式平台 系泊刚度 系泊力 锚链 锚链破断 floating platform mooring stiffness mooring force cable cable break
作者简介 第一作者:吴国强(1992—),男,浙江嘉兴人,硕士研究生。研究方向:海上浮式平台稳定特性研究。;通信作者:周岱(1963—),教授,博士研究生导师。研究方向:海洋工程、大跨空间结构和钢结构。E-mail:zhoudai@sjtu.edu.cn。
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