欢迎来到天天文库
浏览记录
ID:31989587
大小:9.01 MB
页数:62页
时间:2019-01-30
《考虑载荷大小和方向不确定性的连续体结构拓扑优化》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、万方数据考虑载荷大小和方向不确定性的连续体结构拓扑优化co血gumtiondesignof卯icalex锄ples谢ththerobusttopologyoptirnizationwhjchmakescomplianceexpectatioIlSaLsthegoaJ.Thedesignresultsshow廿latt11emagIlituiIeaIlddirectionofconside血gloaduncenailltieshaveasigIlificaIltinlpactont11eresultoftopologyopt
2、imization,alsoverifiedtllecorrectness锄dea’ectivenessof也ea11alyticalfo加ulasfor也etopologicaloptimiz习I_tionmodel.(2)Therobust】舱ssdescriptiveindexandrobuSttopologyoptimizationmodel.R0buSt.designrequiresbotlltlleaverageperfo珊aIlceofstnlctureaIldt11eunc她parameters’balal
3、lces.Inordert0describetllerobustrequirementsa工ldstrIlctureoptimi2aiionmodel,westudytheobjectiVe劬ctionoftheweightedformofs臼仙咖raJcompliaIlceexpectationsandstandarddeViations,findthemlesoftlle、Ⅳei曲tedfom,tllenanewcoefficientisproposed,caJled”coefjcicientofvariationfo
4、rcompliance”.TheiIldexhaSaclearphysicalmeamnganditismorereaSonable.Secondly,westudytllerobllsnlessoftopologyoptimizationmodelb嬲edont11emiIlim啪coemcientofvariation.BaLsedont11e10adofuncertaillma印itudeanddirection,wehaVecomparedsomenumericalex锄plestoveri母t11ecorrecn
5、lessofmerobus协esstop0109yoptimizationmodeliIl缸lispaper,andtlleresultsShowt11atitcaJle髋ctiVely11educetllecoe筋ciemofV撕撕onforcoInpliaIlce锄dalsoimprovet11es廿ucturalrobusmess。(3)Minimizationexpectedcompli锄cedesignbaLsedonmestochaSticf.miteelementmethod.IIlt11ispaper,we
6、makemememodwhjchbaLsedonthestochaSticfiniteelementmetllodofTaylorexpallsion缸otlletopologyoptjmization,considering10aduIlce蹦n廿es,andderivedi妇’erent删”icalf0衄ulascoInpared稍t11廿lepreviousrese甜ch.ThecorrespondiIlgnumericaleX锄plesVeri匆theValidi够oftllismemod,aIldwemal(et
7、11ebaSicresearchinordertobetterusethestochaSticfiIliteelementmemodintotopologyoptimizationintllefuture.KeyWords:Load;Uncertainty;CompIiance;Robust;TopoIogyoptimization—IV—万方数据大连理工大学硕士学位论文目录摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。IAb刚ract⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯
8、⋯⋯⋯⋯⋯⋯⋯⋯.III1绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯l1.1工程中不确定性问题概述⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11.2结构拓扑优化的研究⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯31.3稳健性设计研究的进展⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯
此文档下载收益归作者所有