基于遗传算法的单层杆系空间结构优化设计

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1、哈尔滨工业大学工学硕士学位论文3.2.7材料强度、杆件长细比、杆件稳定约束及处理......................................253.2.8最大节点位移约束及处理.............................................................................273.2.9不同子群间优秀个体的交换.............................................................

2、............273.2.10交叉概率与交叉方式...................................................................................273.2.11变异方式与变异概率...................................................................................303.2.12选择、精英保存以及精英变异策略..................

3、.......................................303.3简单示例...................................................................................................................313.3.1形状优化示例.............................................................................

4、......................313.3.2杆件布置优化示例..........................................................................................333.3.3杆件截面优化示例..........................................................................................343.3.4布局优化示例........

5、...........................................................................................363.4本章小结...................................................................................................................39第4章算例与分析............................

6、..............................................................................404.1形状优化...................................................................................................................404.2杆件布置优化........................................

7、..................................................................424.3杆件截面优化..........................................................................................................454.4有节点制约条件的布局优化设计...................................................

8、.....................484.4.1材料强度和杆件稳定制约条件对优化结果的影响..................................484.4.2不同节点制约条件下的布局优化................................................................514.4.3荷载大小对优化结果的影响..........................................