光纤复合海底电缆扭转的有限元建模  

Finite Element Modeling of Optical Fiber Composite Submarine Power Cable Twist

作　　者：林晓波[1,2] 卢志飞[1,2] 甘纯[1] 李剑波[1] 吕安强[3] 柳小花[3] LIN Xiao-bo LU Zhi-fei GAN Chun LI Jian-bo Lii An-qiang LIU Xiao-hua(State Grid Zhoushan Electric Power Supply Company of Zhejiang Power Corporation, Zhoushan 316021, China Zhejiang Zhoushan Marine Power Research Institute Co. , Ltd. , Zhoushan 316021, China Department of Electronic and Communication Engineering, North China Electric Power University, Baoding 071003 ,China)

机构地区：[1]国网浙江省电力公司舟山供电公司,浙江舟山316021 [2]浙江舟山海洋输电研究院有限公司,浙江舟山316021 [3]华北电力大学电子与通信工程系,河北保定071003

出　　处：《光通信研究》2016年第3期33-36,共4页Study on Optical Communications

基　　金：国家自然科学基金资助项目(51407074);河北省自然科学基金资助项目(E2015502053);中央高校基本科研业务费专项资金资助项目(2015ZD21)

摘　　要：海底电缆在装载、运输、敷设和运行过程中,受外界多种因素的影响时常会发生扭转,利用建模仿真的方法不仅可以克服实体试验操作困难的难题,还可获得实体试验难以提取的数据。文章利用ANSYS软件建立海底电缆扭转的有限元模型,进行了单元类型的选择、各层材料属性及参数的确定和网格划分方式的选择,并且分析、控制了影响计算时间和精度的因素,最后对海底电缆施加扭转载荷,仿真扭转发生过程,获取铜导体和光单元的应力及应变数据,为分析海底电缆扭转的力学特性提供了一种可行方案。In the process of loading transportation, installation and operation, the submarine cable is usually suffered from twist problem due to many external factors. The method of modeling and simulation can not only overcome the difficult problems in the entity experimental operation, but also obtain the stress and strain which is difficult to obtain in the entity experiment. In this paper, the finite element model of submarine cable torsion is first built. Then we select the unit type, material properties and parameters of each layer. Next, we analyze the factors that will influence the computation time and simulation precision. Finally, the constraint and speed loads are imposed to the model, which simulate the stretching twist process to obtain the stress and strain data. The modeling method in this paper provides a feasible solution to analyze the mechanical characteristics of submarine cable twist.

关 键 词：光纤复合海缆 扭转 应力 应变 有限元分析 

分 类 号：TN818[电子电信—信息与通信工程]