Force Limited Vibration Testing Monograph

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1、NASAReferencePublicationRP-1403ForceLimitedVibrationTestingMonographT.D.SchartonMay1997AcknowledgmentsTheworkdescribedinthispaperwascarriedoutbytheJetPropulsionLaboratory(JPL),CaliforniaInstituteofTechnologyunderacontractwiththeNationalAeronauticsandSpaceAdministr

2、ation(NASA).ThesupportoftheNASAHeadquartersOfficeofChiefEngineer(CodeAE)forthedevelopmentanddocumentationoftheforcelimitedvibrationtestingtechnologydescribedinthismonographisgratefullyacknowledged.ThemanycontributionsofthepersonnelintheJPLDynamicsEnvironmentsGroup

3、anditssupervisor,DennisKern,arealsoappreciated.Inaddition,RobertBamford,whooriginatedtheeffectivemassconceptatJPLinthe1960’smustbethankedforhiscontributiontothismonographonthatsubject.iFORCELIMITEDVIBRATIONTESTINGMONOGRAPHChangesandErrataDateSummaryofChangeApprove

4、dBy9/27/00Revisedequation(7)inParagraphT.Scharton3.3.2EffectiveMassiiTableofContents1.0Introduction..........................................................................................................1-12.0History..............................................

5、..................................................................2-13.0StructuralImpedance............................................................................................3-13.1TheVibrationOvertestingProblem.............................................

6、.....................3-13.1.1ImpedanceSimulation............................................................................3-13.1.2ResponseLimiting.................................................................................3-23.1.3EnvelopingTradition........

7、.....................................................................3-33.1.4DynamicAbsorberEffect.......................................................................3-33.2DualControlofAccelerationandForce........................................................

8、...3-53.2.1ThevinenandNorton’sEquivalentCircuitTheorems.............................3-53.2.2DualControlEquations........................................