Finite Element Modeling and Simulation of Three-core Optical Fiber Composite Submarine Cable Stretching

LU Zhi-fei; LIN Xiao-bo; ZHENG Xin-long; LüAn-qiang; LI Shi-qiang; ZHANG Jie

doi:10.13756/j.gtxyj.2016.03.010

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Finite Element Modeling and Simulation of Three-core Optical Fiber Composite Submarine Cable Stretching

- Finite Element Modeling and Simulation of Three-core Optical Fiber Composite Submarine Cable Stretching
- Study on Optical communication Issue 3, Pages: 29-32(2016)
- 作者机构：
  
  1. 国网浙江省电力公司舟山供电公司
  2. 浙江舟山海洋输电研究院有限公司
  3. 华北电力大学电子与通信工程系
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2016.03.010
  CLC： TN253
- Published：2016，
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[1]卢志飞,林晓波,郑新龙,吕安强,李世强,张杰.三芯光纤复合海缆拉伸的有限元建模与仿真[J].光通信研究,2016(03):29-32.

LU Zhi-fei, LIN Xiao-bo, ZHENG Xin-long, et al. Finite Element Modeling and Simulation of Three-core Optical Fiber Composite Submarine Cable Stretching. [J]. (3):29-32(2016)
[1]卢志飞,林晓波,郑新龙,吕安强,李世强,张杰.三芯光纤复合海缆拉伸的有限元建模与仿真[J].光通信研究,2016(03):29-32. DOI： 10.13756/j.gtxyj.2016.03.010.

LU Zhi-fei, LIN Xiao-bo, ZHENG Xin-long, et al. Finite Element Modeling and Simulation of Three-core Optical Fiber Composite Submarine Cable Stretching. [J]. (3):29-32(2016) DOI： 10.13756/j.gtxyj.2016.03.010.

摘要

三芯光纤复合海底电缆（简称为"海缆"）在运输、敷设和运行的过程中经常会产生拉伸的机械行为

对其进行拉伸建模仿真

可获得实体试验难以得到的应力、应变等数据。文章通过建立海缆拉伸有限元模型

模拟了海缆的拉伸过程。首先根据海缆拉伸的力学特点对结构进行简化

得到三芯海缆的几何模型;然后对其施加约束及速度载荷

控制沙漏能

仿真轴向拉伸过程;最后对数据进行有效提取和处理

获得海缆的应力与应变

为研究海缆的力学性能、判断海缆工作状态提供了参考。

Abstract

Three-core optical fiber composite submarine power cable is often stretched in the process of transportation

installation and operation.The stress and strain data can be obtained by the simulation of stretching modeling

which is difficult to be obtained in the entity experiment.In this paper

the finite element model of the submarine cable is established

which is used to simulate the stretching process.We first simplify the structure of the submarine power cable according to the mechanical characteristics of stretching.The constraint

speed loads and hourglass control are then imposed to simulate the axial stretching process.Finally

the stress and strain data of the finite element model is extracted and processed to obtain the stress and strain of the submarine cable.The results provide reference for the study of mechanical properties and operating condition judgement of the submarine power cable.

关键词

三芯光纤复合海缆拉伸应力应变有限元

Keywords

three-core optical fiber composite submarine cablestretchstressstrainfinite element

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