动态海缆机械性能有限元分析

Finite element analysis on mechanical properties of dynamic submarine cable

为探究动态海缆在剧烈交变环境载荷下的疲劳寿命,基于环境载荷响应,开展动态海缆系统的整体分析。基于有限元方法,研究海水中悬浮的动态海缆在服役过程中承受的极端载荷,分析破断力和侧压力工况,提取关键部位的应力、应变分布并进行校核。研究结果可为动态海缆材料选型、结构优化以及疲劳分析和测试提供理论依据。

To explore the fatigue life of dynamic submarine cable under acute alternating environment load,the global analysis on dynamic cable system is carried out based on environment load response.Based on finite element method,the extreme load of the dynamic submarine cable suspended in sea during the service process is studied,the breaking force and side pressure condition are analyzed,and the stress distribution and strain distribution are extracted and checked. The study results can provide a theoretical basis for dynamic submarine cable study, such as the material selection, structural optimization,and fatigue analysis and testing.