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基于模拟退火算法的潜艇结构系统可靠性计算
Reliability analysis of submarine structures based on simulated annealing method
【摘要】 针对结构系统可靠度计算中重要样本函数选择的困难,提出了应用模拟退火算法的自适应的重要样本法,并根据结构系统可靠性计算的特点,给出了适宜的模拟退火过程的冷却进度表。潜艇耐压结构系统可靠性分析的算例表明,本方法可有效地解决非线性失效方程的工程结构系统可靠度的计算问题。
【Abstract】 To find a good important sample function used in system reliability, the adaptive important sample method is presented based on simulated annealing in this paper. According to the trait of structural system reliability, a function of producing adjacent is given. Examples for a submarine structure indicate that this method is practical and useful, and is especially suitable for reliability analysis with highly nonlinear failure surfaces.
【关键词】 结构系统可靠性;
重要样本法;
模拟退火算法;
冷却进度表;
潜艇结构;
【Key words】 structural system reliability; failure modes; simulated annealing; cylindrical hull; tank;
【Key words】 structural system reliability; failure modes; simulated annealing; cylindrical hull; tank;
【基金】 船舶行业基金资助项目
- 【文献出处】 海洋工程 ,The Ocean Engineering , 编辑部邮箱 ,2003年03期
- 【分类号】U674.76
- 【被引频次】20
- 【下载频次】196