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151JOURNALOFVIBRATIONANDSHOCKVol.15No.11996()(),:,,,:TP2023O,,,,(),(roughness),,,,.6,,,,,,1:l)g,(p)=}=oj=l,2,,kgj(P))ojk+1,k+2,,m,W(P)2)tg(P)W(P)W=0(P(Pi1,2,,n(l).9OJ2.,,Pi,j,jw(P),,mn199615,,,,,,,,,,,,,2,,,,,6,,,,3()(),olhoff,,,,(),,,,,,,:(i);(ii);(iii),;(iv)4[23,,,,,,;,,,AdersonMott:,,,1977,Hodgesl:,Aderson,,,,Pierre(Modifiedperturbationmethod),,,,,5,,,nM(P)x+C(P)x+K(P)x=f(t)(4),M,C,Knx(t)f(t)n,M,C,KLa-grange,,,,,(4)M,CK,,(Gyroseopieandfollowerforees)SmKim1983[l5,,,(4)Lagrange,CaugheyMa[1(Liealgebra)n,:nn,,,,,,(19951020),..,1993,32(2):168176,..,1994,13(4):16,..,1995,16(2):114123..,1995,27(2):180188,..,1994,26(1):8189,.,1995,34(1):6977,..,1995,34(2):165174ChenTY.DesignSensitivityAnalysisforRepeatedEigenvaluesinStrueturalDesign.AIAAJ.,1993,31(12):23472350GrandhiR.StrueturalOPtimizationwithFrequeneyConstraintsAReview.AIAAJ.,1993,31(12):4199615l01112l3l4151622962303SinghMP,SuarezLE.DynamieCondensationwithSynthesisofSubstruetureEigenproperties.JSound&Vib.,1992,159(1):139155CaugheyTK,MaF.ComplexModesandSolvabilityofNonelassiealLinearSystems.JApplMeeh,1993,60:2628PierreC.LoealizedFreeandForeedVibrationsofNearlyPeriodieDisorderedStruetures.Proe.28thAIAA/ASME/ASCE/AHE,870774:186197PierreC.WeakandStrongVibrationLoealizationinDisorderedStruetures:AStatistiealInvestigation.JSound&Vib.,1990,139(l):111132ChenPT,GinsbergJH.OntheRelationshipBetweenVeeringofEigenvalueLoeiandParameterSensitivityofEigenfunetions.JVib.Aeoust.,1992,114:141148SoomA,KimC.RoughnessindueedDynamicLoadingAtDryandBoundaryLubrieatedSlidingContaets.ASMEJTribology,1983,105:514517HaugEJ,AroraJ5.AppliedOptimalDesignMeehaniealandStrueturalSystems.JohnWileySons,1979,P152+,,;.;,,,,,MAR1996JOURNALOFVIBRATIONANDSHKVol.15No.11996SENSITIVITYANALYSISFORSTRUCTURALOPTIMALDESIGNWangRongchangYingJianianWangWenliang(TongjiUniversity)(FudanUniversity)AbstraetTheimportaneeofsensitivityanalysisforstrueturaloptimaldesignwithfrequeneyeonstraints15demonstrated,andit15shownthatthenormalmodeloealizationandthesensitivityofnonelassiealsystemsareimportanttopieswhiehshouldbeexploredbystructuredesigners.Keywords:sensitivity,optimaldesign,normalmodeloealization,nonelassiealsystemEXPERIMENTALRESEARCHONANALOGOUSSYSTEMOFSHIPPROPELLER5DAMPERYunWeijunZhuQinzhangDuanGenbaoGuoZhenling(ShanghaiShip&ShippingResearehInstitute)AbstraetInthePaPerasPeeialkindofdynamieabsorber15develoPed,whiehthenaturalfrequeneyeanbeeontrolledbyadiustingtheairpressureandthewaterinthetank.Modeltestswereeonduetedandtheexperimentalresultsindueatethatthehydrodynamievibrationabsorberhasthefollowingadvantages:abilityofeasilyehangingthefrequeneyoftheabsorber;reliabilityinvibrationreduetionandloweost.Keywords:dynamieabsorber,naturalfrequeney,modeltest,vibrationreduetionAGENERALREVIEWONSEVERALFUNDAMENLALPOINTSOFEXPERIMENTALSTRAIN/STRESSMODALANALYSISLiDebao(Dept.ofEngineeringMeehaniesTsinghuaUniversity,BeIJing100084)AbstraetThispapereommentsseveralfundamentalpointsofexperimentalstrain/stressmodalanalysis.Theyaremainly:1.therelationshipbetweendisplaeementresponseandstrainresPonse;2.thePeeuliarProPertiesoforthogonalpropertiesofstrainmodes;strainfrequeneyresponsefunetionandthetestmethos;3.4Keywords:strainanalysis,strainmode,strainmodeidentifieationandothers.modalanalysisATECHNIQUEOFADAPTIVEACTIVEVIBRATIONCONTROLANDITSEXPERIMENTALVERIFICATIONSSun(InstituteZhaohuiWa,:9ChongDaiYangSunJincaiofAeoustieEngineering,NorthwesternPolyteehniealUniversityXian,710072,P.R.China)AbstraetInthisPaPer,theadaPtiveaetivevibrationeontrolsystemdeveloPPedbytheau-thors15presentedanddiseussedwhieheonsistsofTMS32oC25unitandFilteringXLMSalgo-
本文标题:结构优化设计中的灵敏度分析-王荣昌
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