基于參數(shù)化的某型裝備發(fā)射動(dòng)力學(xué)分析.pdf

1、聲明本學(xué)位論文是我在導(dǎo)師的指導(dǎo)下取得的研究成果，盡我所知，在本學(xué)位論文中，除了加以標(biāo)注和致謝的部分外，不包含其它人已經(jīng)發(fā)表或公布過(guò)的研究成果，也不包含我為獲得任何教育機(jī)構(gòu)的學(xué)位或?qū)W歷而使用過(guò)的材料。與我一同工作的同事對(duì)本學(xué)位論文做出的貢獻(xiàn)均己在論文中作了明確的說(shuō)明。研究生簽名：乏阻加2—7年弓月名目學(xué)位論文使用授權(quán)聲明南京理工大學(xué)有權(quán)保存本學(xué)位論文的電子和紙質(zhì)文文件，可以借閱或上網(wǎng)公布本學(xué)位論文的部分或全部?jī)?nèi)容，可以向有關(guān)部門(mén)或機(jī)構(gòu)送交

2、并授權(quán)其保存、借閱或上網(wǎng)公布本學(xué)位論文的部分或全部?jī)?nèi)容。對(duì)于保密論文，按保密的有關(guān)規(guī)定和程序處理。研究生簽名：鼬加仃年弓月鄉(xiāng)日Abstract碩士學(xué)位論文AbstractWithmaterialmechanics，structuraldynamicsandengineeringmechanics88thetheoreticalbasisandthefiniteelementmethod(FEM)andsecondarydevelopme

3、ntofABAQUSasthemainresearchtool，thevehiclemissilelaunchingdeviceWasstudiedParametricmodelinganddynamicresponseoflaunchingsiteduringlaunchingwerestudiedThepaperalsostudiedtheparametricmodeling，modeanalysisandoptimizationo

4、fcompositelaunchtubeThecompositionandsimulationmethodofgroundwindloadwereanalyzedanditsimpactonreadystateoflaunchingequipmentWasstudiedInordertoestablishnonlinearfiniteelementdynamicmodeloflaunchingsiteaccuratelyandquick

5、lyandrealizetheautomationofsimulationanalysis，thesecondarydevelopmentofABAQUSWasintroducedABAQUS’SownRSGWasusedtoestablishtheparametricmodelinginterfaceandanalysisfigureinterfaceofthelaunchingsiteTakingExpressway1asthein

6、vestigatedsubject，thequasistaticresponseoflaunchingsiteduringmissilestandbyphaseanddynamicresponseoflaunchingsiteduringlaunchingwasstudiedbasedontheplug—inInordertorealizetheautomationofmodelingandmodeanalysisoflaunchtub

7、e，theparametricmodelinginterfaceandmodeanalysisinterfaceWasestablishedbasedonthefiniteelementdynamicmodeloflaunchtubeThen，thepaperstudiedtheoptimizationofcompositelaunchtubeandintroducedmultiobjectiveoptimizationAmulti—o

8、bjeetiveoptimizationmodelofcompositelaunchtubeWasestablishedbyusingnondominatedsortinggeneticalgorithmII(NSGA—II)ThecompositelaunchtubesplythicknessandlaminationangleweredefinedasdesignvariablesThetube’Snaturalfrequencya

9、ndmasswereregardedasoptimizationobjectivesUtilizingABAQUS’SownRSGtoestablishtheparametricinterfaceofgroundwindloadSimulationanalysisunderdifferentwindloadconditionscouldbecarriedoutbychangingmeanwindspeedThesimulationmet

10、hodofpulsewindwasstudiedTimehistorycurveofinstantaneouswindspeedconsideringthepulseeffectWasgeneratedbyusingVonKarmanpowerspectrumandharmonicsynthesismethodAccordingtothedynamiccalculationmethodtogeneratetheequivalentwin

11、dpressureandequivalentmomentonlaunchtubesegmentsThetotalvalueofwindpressureonthewindsurfaceofthelaunchingtubeandtheequivalentmomentweregivenbytheequivalentstaticloadmethodandtheintegralalgorithmToobtainthedynamicresponse