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Author:

隋允康 (隋允康.) | 彭细荣 (彭细荣.)

Indexed by:

CQVIP PKU CSCD

Abstract:

为了使求解位移和应力约束下重量最轻的连续体结构拓扑优化问题的ICM(独立连续映射)方法得到更清晰的拓扑形式,引入拓扑变量离散性条件作为目标之一,与原目标组成多目标规划模型,使拓扑变量向0或1两端靠近,减小了删除率对结果的影响;用图形处理方法消除了棋盘格现象及网格依赖性;通过初选准有效约束及选择设计区域等,提高了求解效率.算例表明:改进后的算法虽然迭代次数比原算法略多,但更稳键,更实用.

Keyword:

网格依赖性 棋盘格现象 删除率 结构拓扑优化 ICM方法

Author Community:

  • [ 1 ] [隋允康]北京工业大学
  • [ 2 ] [彭细荣]清华大学

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Source :

计算力学学报

ISSN: 1007-4708

Year: 2006

Issue: 2

Volume: 23

Page: 163-168

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 18

Chinese Cited Count:

30 Days PV: 1

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