基于OrcaFlex的某跨接缆的动态分析  

Dynamic Analysis for Bridle Cable Based on OrcaFlex

作　　者：杨保成[1] 迟明 张宗政 徐伟[1] 白勇[3] 

机构地区：[1]四川工程职业技术学院,四川德阳618000 [2]杭州欧佩亚海洋工程有限公司,杭州310012 [3]浙江大学,杭州310058

出　　处：《船舶工程》2016年第6期69-72,76,共5页Ship Engineering

摘　　要：运用大型水动力分析软件Orca Flex对置于FPSO与YOKE之间传输电力的跨接缆进行了极值与疲劳仿真分析。针对跨接缆的动态响应分析,采用了非线性时域方法,并考虑了波浪、流、FPSO的一阶运动对跨接缆的作用,进而对跨接缆与FPSO连接时的极端荷载效应和长期交变荷载下的疲劳安全性进行了评估。结果表明,该跨接缆的设计满足缆与FPSO连接时的极值准则,但与相邻跨接缆之间存在干涉风险。In the paper, by using the large hydrodynamic analysis software Orca Flex, the extreme and fatigue simulation analysis of the bridle cable which is used for transfer power between FPSO and YOKE. The dynamic response analysis have been conducted by means of a non-linear time domain approach considering dynamics excitation due to wind, first-order motion and the maximum low-frequency excursion of the FPSO. The fatigue safety of the bridle cable with the extreme load effect and the long-term alternating loads is evaluated in the FPSO connection. The conclusion is that the bridle cable design meets the strength requirements in the given conditions. But there is interference risk between the cable and neighboring cables.

关 键 词：跨接缆 动态响应 FPSO 干涉 

分 类 号：TE951[石油与天然气工程—石油机械设备]