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Abstract:
采用指数类函数为快滤函数的高精度逼近ICM(independent continuous and mapping)方法,建立了以结构重量为目标,应力和位移共同约束下的连续体结构拓扑优化模型.利用结构畸变比能的方法全局化应力约束,单位虚载荷法显式化位移约束,归一化约束以解决约束限数量级不一致的问题.针对不同性态的过滤函数,给出了指数类快滤函数参数的取值方法.单工况和多工况的算例表明了高精度逼近的ICM方法处理多种约束下连续体结构拓扑优化的可行性与有效性.
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Source :
力学学报
Year: 2011
Issue: 04
Volume: 43
Page: 716-724
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 5
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