Approximate analytical solutions and experimental analysis for transient response of constrained damping cantilever beam

(整期优先)网络出版时间:2010-11-21
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Vibrationmodeoftheconstraineddampingcantileverisbuiltupaccordingtothemodesuperpositionoftheelasticcantileverbeam.ThecontrolequationoftheconstraineddampingcantileverbeamisthenderivedusingLagrange'sequation.Dynamicresponseoftheconstraineddampingcantileverbeamisobtainedaccordingtotheprincipleofvirtualwork,whentheconcentratedforceissuddenlyunloaded.Frequenciesandtransientresponseofaseriesofconstraineddampingcantileverbeamsarecalculatedandtested.Influenceofparametersofthedampinglayerontheresponsetimeisanalyzed.Analyitcalandexperimentalapproachesareusedforverification.Theresultsshowthatthemethodisreliable.