| 结构模糊可靠性指标的遗传算法 |
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| 引用本文： | 胡云昌,李向京,张连营.结构模糊可靠性指标的遗传算法[J].海洋工程,1997(4). |
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| 作者姓名： | 胡云昌 李向京 张连营 |
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| 作者单位： | 天津大学海洋与船舶工程系 |
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| 摘 要： | 本文基于哈索弗－林德提出的结构可靠性指标β的定义，通过改进的遗传算法，建立了考虑变量服从多种概率发布与相关性及其模糊性的广义随机空间内可靠性指标的计算方法，并且通过结构可靠性指标分析与可靠性优化的实例，验证了算法的可行性与可靠性
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| 关 键 词： | 结构模糊可靠性指标 遗传算法 |
THE GENETIC ALGORITHMS OF THE STRUCTURAL FUZZY RELIABILITY INDEX |
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| Hu Yunchang,Li Xiangjing,Zhang Lianying.THE GENETIC ALGORITHMS OF THE STRUCTURAL FUZZY RELIABILITY INDEX[J].Ocean Engineering,1997(4). |
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| Authors: | Hu Yunchang Li Xiangjing Zhang Lianying |
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| Abstract: | This article improves the genetic algorithms according to the geometric meaning of the structural reliability indx and puts forward a method to deal with the variables in the standard normal space with the consideration of variable distribation, the correlation cofficient of the variables and its fuzzy reliability indesx The feasiblity and reliability of the algorithms are proven by examples of the structural reliability analysis and the optimization. |
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| Keywords: | the structural fuzzy reliability index the generation algorithm |
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