摘要
为了揭示海洋平台结构在碰撞过程中的损伤变形机理,基于刚性楔形撞头撞击单根圆管构件场景,运用LS-DYNA软件分析撞击过程中碰撞力、能量和塑性变形等动态响应特征,并在此基础上分析结构几何尺寸参数的改变对圆管结构抗撞性能的影响,为海洋平台圆管结构抗撞性能设计提供参考。
In order to reveal the mechanism of damage deformation during offshore platform collision process,the simplified scenario of a rigid wedge impacting a single tubular member is mainly focused on.Based on the numerical simulation by LS-DYNA software,the characteristics of dynamic response including the impact force,energy dissipation and plastic deformation are investigated.The effects of structural dimensions on the dynamic response of such a tubular member are also studied,which lay a scientific reference for the design of anticollision capability for offshore structures.
作者
秦晓宇
袁奎霖
钱缘
QIN Xiaoyu;YUAN Kuilin;QIAN Yuan(China Shipbuilding NDRI Engineering Co.,Ltd.,Shanghai 200063,China;State Key Lab of Structural Analysis for Industrial Equipment,School of Naval Architecture Engineering,Dalian University of Technology,Dalian 116024,Liaoning,China)
出处
《中国海洋平台》
2019年第4期59-64,共6页
China offshore Platform
基金
辽宁省博士科研启动基金项目(20170520084)
中央高校基本科研业务费专项基金资助项目(DUT18RC(4)071)
关键词
碰撞
圆柱杆件
动力响应
collision
tubular member
dynamic response
