极限海况下Spar平台系泊系统耦合动力分析  

The coupled dynamic analysis of mooring systems of a Spar platform in extreme sea conditions

作　　者：单鹏昊 任慧龙 李辉[1] 张健[1] 

机构地区：[1]哈尔滨工程大学船舶与海洋工程力学研究所,黑龙江哈尔滨150001

出　　处：《海洋工程》2013年第2期35-40,共6页The Ocean Engineering

基　　金：国家973基金资助项目(2011CB013703)

摘　　要：在复杂的风浪流海洋环境中,Spar及其系泊系统的耦合作用受多方面的影响。对极限海况下的某Classic-Spar平台及其系泊缆索的动力响应做了时域非线性耦合研究。重点分析了极限海况下一根或者多根系泊缆索断裂时平台运动及其缆索张力动力响应的统计特性。分析结果表明,在风浪流同向且共线的极限海况下,不同位置处的系泊缆索发生断裂,对整个平台系泊系统安全的影响程度不尽相同,尤其以迎浪方向系泊缆索的断裂影响显著。The coupled effects between Spar and its mooring system are influenced in many ways in the wind, wave and current environments. A nonlinear time-domain coupled analysis on Spar mooring systems is made in extreme sea conditions. The motion statistic characteristics and the tension ones of mooring ropes are analyzed under the condition that one or two mooring ropes are broken in extreme sea conditions. Results show that on the collinear environmental condition, the influence on the safety of the platform system is different when the broken lines are in different places. Especially a remarkable influence occurs when the broken mooring ropes are in the head-wave direction.

关 键 词：SPAR平台 时域非线性 系泊系统 耦合动力响应 极限海况 

分 类 号：P751[交通运输工程—港口、海岸及近海工程]