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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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：

Inverse problems Shape optimization Structural optimization Topology

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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