摘要
本文对具有相关变量的船舶结构可靠性分析问题,提出利用矩阵变换结合复形优化方法来计算结构可靠性指标。针对船舶结构极限状态方程较为复杂的情况,提出了若干改进措施,使问题得到满意的解决。计算结果表明,本文方法是有效的,研究变量间相关性是必要的。
In consideration of the reliability analysis of ship structures with correlated random variables,the improved complex method combined with the matrix transformation is presented for calculating the structural reliability index.The results show that it is necessary to research the correlatively among random variables,and the proposed method is effective.
出处
《华东船舶工业学院学报》
CAS
1997年第2期1-7,共7页
Journal of East China Shipbuilding Institute(Natural Science Edition)
关键词
船体结构
可靠性
船舶结构
相关变量
hull structure
reliability / correlatively
complex method