第43卷第1期2023年2月飞机设计AIRCRAFTDESIGNVol.43No.1Feb.2023收稿日期:2022-01-26;修订日期:2022-11-28作者简介:安阳(1999—),男,硕士研究生引用格式:安阳,姚卫星,黄杰.某型飞机主承力接头布局拓扑优化设计[J].飞机设计,2023,43(1):44-49.ANYang,YAOWeixing,HUANGJie.TopologyOptimizationDesignfortheLayoutoftheMainBearingJointofaCertainAircraft[J].AircraftDesign,2023,43(1):44-49.文章编号:1673-4599(2023)01-0044-06doi:10.19555/j.cnki.1673-4599.2023.01.009某型飞机主承力接头布局拓扑优化设计安阳,姚卫星,黄杰(南京航空航天大学,江苏南京210016)摘要:为了实现飞机部件的轻量化设计,将拓扑优化和代理模型相结合构建了一个结构布局优化的算法。以某型飞机主承力接头为研究对象,根据结构传力路线和工艺要求,将接头的布局优化转化为耳片的平面拓扑优化与螺栓位置的优化。以接头耳片的厚度和中间排螺栓位置作为布局变量,对每组布局变量下的耳片进行拓扑优化,对布局变量采用基于代理模型的遗传算法进行优化。以质量最小为优化目标,在强度与刚度的多约束条件下,完成了某型飞机主承力接头的布局拓扑优化。结果表明,本方法的优化结果比传统的拓扑优化结果减重约14.5%,验证了优化算法的可行性与有效性。关键词:布局优化;拓扑优化;多约束;主承力接头;响应面法;变密度法中图分类号:V214文献标识码:ATopologyOptimizationDesignfortheLayoutoftheMainBearingJointofaCertainAircraftANYang,YAOWeixing,HUANGJie(NanjingUniversityofAeronauticsandAstronautics,Nanjing210016,China)Abstract:Inordertorealizethelightweightdesignofaircraftcomponents,astructurallayoutoptimi-zationalgorithmwasconstructedbycombiningtopologyoptimizationandproxymodel.Takingthemainloadbearingjointofacertaintypeofaircraftastheresearchobject,accordingtothestructuralforcetransmissionrouteandtechnologicalrequirements,thelayoutoptimizationofthejointistrans-formedintoplanetopologyoptimizationoflugandboltpositionoptimization.Withthethicknessofthelugandthepositionofboltsinthemiddlerowaslayoutvariables,topologyoptimizationwascar-riedoutforthelugundereachgroupoflayoutvariables,andthelayoutvariableswereoptimizedbygeneticalgorithmbasedonproxymodel.Tak...