维普中文期刊产品整合服务

An aerospace bracket designed by thermo-elastic topology optimization and manufactured by additive manufacturing

查看全文 作　　者：Guanghui [1]SHI;Chengqi [1]GUAN;Dongliang [1]QUAN;Dongtao [1]WU;Lei [2]TANG;Tong [2,3]GAO 高影响力作者 机构地区：[1]Beijing Aerospace Technology Institute,Beijing 100074,China;[2]State IJR Center of Aerospace Design and Additive Manufacturing,Northwestern Polytechnical University,Xi'an 710072,China;[3]Institute of Intelligence Material and Structure,Unmanned System Technologies,Northwestern Polytechnical University,Xi'an 710072,China高影响力机构 出　　处：《Chinese Journal of Aeronautics》索引2020年第33卷第4期,共8页高影响力期刊 基　　金：supported by the National Key Research and Development Program of China(Nos.2017YFB1102800,2016YFB0201600);the National Natural Science Foundation of China(Nos.11672239,51735005)。 摘　　要：Combination of topology optimization and additive manufacturing technologies provides an effective approach for the development of light-weight and high-performance structures.A heavy-loaded aerospace bracket is designed by topology optimization and manufactured by additive manufacturing technology in this work.Considering both mechanical forces and temperature loads,a formulation of thermo-elastic topology optimization is firstly proposed and the sensitivity analysis is derived in detail.Then the procedure of numerical optimization design is presented and the final design is additively manufactured using Selective Laser Melting(SLM).The mass of the aerospace bracket is reduced by over 18%,benefiting from topology and size optimization,and the three constraints are satisfied as well in the final design.This work indicates that the integration of thermo-elastic topology optimization and additive manufacturing technologies can be a rather powerful tool kit for the design of structures under thermal-mechanical loading. 关 键 词：Additive manufacturing Aerospace bracket Selective laser melting(SLM) Thermo-elastic Topology optimization
相关文献

参考文献(30)

引证文献(37)

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1　渝公网安备 50019002500403号　违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费