摘要
海底光纤复合缆广泛应用于跨海洋信息能源互联互通工程中,在国家海洋发展战略中发挥着关键作用。海底环境复杂,不同类型机械损伤将直接影响海缆的安全运行,有限元仿真技术通过分工况模拟,为海缆的安全监测提供了一种低成本高效率的理论支撑手段。为总结现有技术,评估未来发展方向,文章梳理了海缆的拉伸、扭转和弯曲机械形变有限元仿真技术,并从锚害和自然洋流等因素层面,总结了海缆机械损伤有限元仿真研究结果,为光纤传感等监测技术提供了依据,最后对仿真技术进行了总结展望。
Submarine optical fiber composite cables are widely used in cross-ocean information and energy interconnection projects play a key role in the national marine strategy.the environment condition is complex,different types of mechanical damage will directly affect the safety of the submarine cable.The finite element simulation analysis provides a low-cost and high-efficiency theoretical method for the safety monitoring through the simulation of different working conditions.In order to summarize the existing technology and evaluate the future development direction,this paper the finite element simulation analysis of submarine cables under tensile,torsion and bending load summarize the research results of submarine cable mechanical damage from anchor and natural ocean current,which can provide reference for monitoring technology such as optical fiber sensing.Finally,the simulation technology is summarized and prospected.
作者
刘子惠
胡凯
郑新龙
梁云
张梓平
LIU Zi-hui;HU Kai;ZHENG Xin-long;LIANG Yun;ZHANG Zi-ping(State Grid Smart Grid Research Institute Co.,Ltd.,Beijing 102209,China;State Grid Zhoushan Electric Power Supply Company of Zhejiang Power Corporation,Zhoushan 316000,China)
出处
《光通信研究》
2023年第2期45-54,共10页
Study on Optical Communications
基金
国家电网公司科技资助项目(5700-202119194A-0-0-00)。
关键词
海底光纤复合缆
有限元分析
光纤传感
光纤通信
submarine optical fiber composite cable
finite element analysis
fiber sensing
fiber communication
