Application of modified sigmoid function in structural topology optimization - 文章详情页

作者：

Sui, Yun-Kang (Sui, Yun-Kang.) | Liu, Jian-Xin (Liu, Jian-Xin.) | Ye, Hong-Ling (Ye, Hong-Ling.) (学者：叶红玲) | Du, Jia-Zheng (Du, Jia-Zheng.)

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EI Scopus PKU CSCD

摘要：

Structural　topology　optimization　problems　are　studied　extensively　by　virtue　of　ICM　(independent　continuous　and　mapping)　method.　Sigmoid　function　in　artificial　neural　network　is　modified　and　used　as　a　polished　function,　and　it＇s　inverse　function　is　used　as　a　filter　function　for　structural　optimization　model.　In　this　way　can　the　optimization　model　be　translated　into　a　duel　programming　and　solved.　This　method　is　compared　with　power　function　which　is　used　in　structural　topology　optimization　in　the　past.　MSC.　Nastran　and　Patran　software　is　used　as　a　platform　to　realize　the　program　and　analyze　several　examples　which　verify　the　correctness　of　the　results.

关键词：

Shape optimization Inverse problems Topology Structural optimization

作者机构：

[ 1 ] [Sui, Yun-Kang]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China
[ 2 ] [Liu, Jian-Xin]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China
[ 3 ] [Ye, Hong-Ling]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China
[ 4 ] [Du, Jia-Zheng]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China

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