复合材料发动机罩的刚度优化设计

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1、中北大学学位论文4.5.4其它关系对.................................................434.5.5s8和s9关系对..............................................454.6评价方法归组和分析...............................................474.7本章小结.........................................................505碳纤维发动机罩刚度分析.............................

2、...............515.1静刚度的分析.....................................................515.1.1弯曲载荷刚度的实验数据分析.................................525.1.2锁闩载荷刚度的实验数据分析.................................565.1.3砰击载荷刚度的实验数据分析.................................585.1.4扭转载荷刚度的实验数据分析.................................615.1.5

3、因子效应总结和减重措施的选择...............................635.1.6选取参与进一步优化的静刚度指标.............................645.2模态分析.........................................................665.3本章小结.........................................................696碳纤维发动机罩的刚度优化设计.....................................706.1优化问题描述.....

4、................................................706.1.1设计变量的选择.............................................706.1.2设计目标和约束.............................................706.1.3优化问题小结...............................................716.2简化模型的建立...................................................716.2.1建立

5、简化模型...............................................726.2.2简化模型的验证.............................................726.3一般遗传算法介绍.................................................746.3.1遗传算法简介...............................................746.3.2遗传算法的操作.............................................756.3.2

6、遗传算法原理...............................................756.4铺层数量遗传算法改进.............................................766.4.1遗传算法改进基本思路.......................................766.4.2mRNA转录过程介绍...........................................786.4.3改进算法的介绍.............................................796.5改进遗传算

7、法的软件实现...........................................836.5.1isight软件介绍.............................................836.5.2整体流程框架...............................................836.5.3模块x2alphas........................