FPSO舷侧立管碰撞损伤与风险研究  

Research on damage and risk of Collision of FPSO Boardside Risers

作　　者：黄福祥[1] 李隶辉 阴炳钢 刘国锋 陈金铭 HUANG Fu-xiang;LI Li-hui;YIN Bing-gang;LIU Guo-feng;ChenJin-ming(Offshore Oil Engineering Co., Ltd., Tianjin 300451)

机构地区：[1]海洋石油工程股份有限公司

出　　处：《海洋工程装备与技术》2019年第2期487-493,共7页Ocean Engineering Equipment and Technology

基　　金：国家科技重大专项科研项目(2016ZX05057-020)“深水大型海上装备安全作业仿真与培训模拟装备研制”;深圳市“十三五”海洋经济创新发展示范项目“深水海洋油气水下设施安装技术研究及应用示范”

摘　　要：采用风险矩阵法对FPSO舷侧立管碰撞风险进行了研究,确定了典型碰撞事故的风险等级并研究了解决措施。基于非线性有限元软件LS DYNA,建立了补给船、FPSO舷侧立管以及立管防护结构的有限元模型并进行碰撞模拟研究,得到了结构损伤变形和能量吸收转化结果,以此划分了碰撞后果的危险等级。结合相关海域的历史数据,划分了船舶碰撞的发生概率。结果表明,靠近舷侧立管的补给船速度应控制在0.32 m/s以内,舷侧立管外设置防护结构能够有效降低舷侧立管受到船舶撞击的风险水平。Risk of the collision of FPSO boardside risers was researched by using the risk matrix method and typical collision accidents were studied about its risk level as well as solutions. Finite element models were established for the replenishment ship, FPSO boardside riser and fendering device by the nonlinear FEM software LS-DYNA. Structure damage deformation, energy absorption and transformation were abtained and then consequence level was divided. According to the historical data of relevant sea area, the frequency of ship collision was determined. The results indicated that cruising speed of the supply ship near the side riser should be controlled within 0.32 m/s and the fendering device can be fairly effective to low down the risk level of ship collision.

关 键 词：船舶碰撞 FPSO舷侧立管 风险矩阵 风险分析 有限元模拟 

分 类 号：U661.4[交通运输工程—船舶及航道工程]