大型星載薄膜天線結(jié)構(gòu)—熱—電磁耦合問(wèn)題分析.pdf

1、代號(hào)!蜊分類(lèi)號(hào)№!學(xué)號(hào)唑!!!!艘密級(jí)竺五而簧它手料被戈警碩士學(xué)位論文題(中、英文)目大型星載燕膜天線結(jié)構(gòu)_熱=電磁耦合問(wèn)題分撫一一AnalysisofStructuralthermoelectromagneticCoupledProblemsforLargeSpaceborneMembraneAntenna作者姓名王偉指導(dǎo)教師姓名、職務(wù)鄭飛教授一學(xué)科門(mén)莢工學(xué)學(xué)科、專(zhuān)業(yè)一一機(jī)械制!壹及墓自一動(dòng)化提交論文日期三QQ土年圳Thepapers

2、ummarizesthestructureofspacebomedeployableparaboloidantennainlandandoutland，andintroducesthestate—ofthe—artaboutseverallargespacebomedeployableparaboloidantennaoutlandindetailAndthenanalyzesthelimitationsofspacebornestru

3、cturedesignedinlandItpointsouttheproblemofantennastructuredesignanditsnecessityandsignificanceaswellBasedontheelectromechanicalcouplingpropertyoflargespacebomedevelopingantenna，thearticleshowsananalysisofthestructural—th

4、ermoelectromagneticcoupledproblemofalargespacebornedeployableparaboloidantennawiththediameterof12mand108m，withthesequencecouplinganalysismethodUseparameterizedmodelingmethodandANSYSsoftwaretomakeafiniteelementmodelingfor

5、thelargespacebornedeployableparaboloidantenna，andthenputthefiniteelementmodelingtoI_DEASsoftwareviaprogramconversionUsetheTMGmoduletocomputethekeypoint’StemperaturewhentheantennalUllSintheearthsynchronousorbitBasedonANSY

6、Ssoftwareithasthefunctiontunseveralfieldcoupling，tomaketheantenna’Ssurfacetemperaturedistortionderivation，andtogetantenna’SnodetemperaturedistortiondisplacementatdifferentmomentAndusetheleastsquarestechniquetopamboloidfi

7、ttingthefiniteelementnodeonthedistortedantennaThroughresearchingcommonelectromagneticanalyticalmethod，weselectFEKOelectromagneticanalyticalsoftwaretoanalyzeandcomputethedistortinganddistortedparabolafeedSeenfromtheresult

8、，antennamajorlobebecomeswide，antennaminorlobebecomeshigh，atthefarantennaminorlodepositionTemperaturedistortion’Smajorinfluenceisantennadirectivitydiagram，anditCanhardlyinfluenceantennamajorlobe，whichallduestotheinfluence

9、fromthesun’SheatThesimulationresultandthepredictedsituationisanastomose，whichidentifiestherationalityofthisanalyticalmethodKEYWORDS：Spacebornedeployableparaboloidantenna；temperaturedistributioninorbit；Electromechanicalco