振動試驗夾具的動態(tài)設計及管理系統的開發(fā)研究.pdf

1、浙江大學航空航天學院碩士學位論文振動試驗夾具的動態(tài)設計及管理系統的開發(fā)研究姓名：何石磊申請學位級別：碩士專業(yè)：工程力學指導教師：劉欣黃志龍20080515浙江大學碩士學位論文ABSTRACTABSTRACTStructuredynamicdesignisakindofdevelopingtechnique，whichisabundantincontent，referredtomanysubjectssuchasmethodandtech

2、nologyofmodemdynamicanalysis，computertechnique，theoryofstructuredynamicdesignofproduct，designmethodandSOonThisthesismostlydesignandanalysefourtypicalclampsforvibrationtestsbasedondynamictheoryfoundation，theresultsofmodea

3、nalysisoffourkindsoftypicalclampsforvibrationtestsindicate：ratioofstiffnessaffectthefrequencyofthestructureWithsmartsize6andsweepwhicharemeshplot—methodinANSYS，thethesiscompareswiththevaluesoftenmodesoftheL—clamp，studies

4、thetheresultsofthemode—analysiswhicharemadebydifferentsoftwaresWiththecombinationsofL—clamp(Tclamp)andcabinetasaresearchobject，thisthesisalsoputtsforwardsomemethodhowtoconnecttheclampandthecabinet，afterdealingwiththeload

5、ofthecircumstancewithunitarymechod，thethesismakestransient—analyses；afterinflictingenvironmentloadintheconstraints，makesresponseanalysisonthetwostructuresTransientanalysisandspectrumanalysisindicate：twomethodofanalysisha

6、vealittledifferenceintheresponsesofthestructures，butbothareeffectivemeasureindynamicanalysisThisthesisfocusesonanalysisofsensitivityandoptimizeddesigningwiththeparametersofmaterialandscalesTheresultsofanalysisofsensitivi

7、tyindicate：reasonablechoosingmaterialisnecessarybeforedesigningandproducingAftertheanalysisofsensitivityoptimizeddesigningismadeforLclampwhichbasedonANSYSThentheparametersofthefinitemodearemodifiedThecalculativeresultsof

8、themodewhichhavebeingmodifiedindicate：optimizeddesigningimprovesthedynamictraitsofthestructure，reducesthequalitySamplingismade塒tllAPDLinANSYSforexperimentation，thisthesisalsobringsforwardonewayofdealingwiththesamplesinor

9、dertogaintheunitarysamples；meanwhile，setsupBP(BackPropagation)neuralnetworkmodel，whichismattingforoptimizeddesigningdeeplyInwhatfollows，thethesisconductsaresearchonthedevelopmentofamanagementsystemofclampsforvibrationtes