高聳結(jié)構(gòu)振動響應(yīng)的變阻尼TMD控制研究.pdf

1、東南大學(xué)博士學(xué)位論文高聳結(jié)構(gòu)振動響應(yīng)的變阻尼TMD控制研究姓名：黃瑞新申請學(xué)位級別：博士專業(yè)：土木工程；結(jié)構(gòu)工程指導(dǎo)教師：李愛群20110320英文摘要AbstractStructuralenergydissipationisakindofstructuralcontroltechnique，whichUSeSenergydissipationdevicesinstalledinproperlocationsofthestructure

2、todissipatepartofstructuralenergyunderearthquakeactionsandwindloads，SOasteducethestructuralvibrationresponsesPreviousresearchesandapplicationsofvariabledampingvibrationreductiondevicesmainlyfocuseuponthefieldofthesemi—ac

3、tivecontrolandtheintelligentcontrol，butthesedevicesarecomplicated，andthecostsarealsotoohighBasedonfluidviscousdamper(VFD)withdouble—guidebars，avariabledampingcoefficientviscousfluiddamper(VDVFD)isdesignedandmanufacturedi

4、nthispaperTunedmassdampersystemwithVDVFDisnamedvariabledampingtunedmassdampersystemwhichisabbreviatedtoVDTMD，isakindofenergydissipationdevice，whichhasgoodpropertiesThetheoretical，experimentalstudiesandapplicationoftheVDV

5、FDandthetheoreticalstudiesandapplicationoftheVDTMDforstructuralvibrationenergydissipationaresystematicallyinvestigatedinthepaperTheresearchesinthepaperincludethefollowingcontents：(1)Theprogressandapplicationoftheviscousd

6、ampersandvariabledampingdeviceshasbeensummarizedandanalyzedThemainprinciplesandthedesignofconstructionofthevariablefluidviscousdampersthathavebeendesignedandmanufacturedaredescribedEquationsofthemechanicspropertiesandene

7、rgydissipationareobtained(2)AseriesofexperimentsontheVDVFDaboutitsdynamicmechanicalcharacteristicsarecarriedoutTheparametersoftheexponent’formulaoftheVDVFDareobtainedbyregressionanalyses，accordingtotheexperimentaldataThe

8、parametersoftheexponent’formulaarealsocomparedwiththoseoftheoreticalformulaTheexperimentalresultsshowthatthedampershavethefullhystereticcurves，stableperformancesandtypicalvariabledampingcharacteristicsTherelatedfactorsth

9、ataffecttheexperimentalresultsarealsoanalyzedsimply(3)TunedmassdampersystemwithVDVFDisnamedvariabledampingtunedmassdampersystemwhichisabbreviatedtoVDTMDTheworkingprinciplestheVDTMDaredescribed，andtheequationofstructuralv

10、ibrationenergydissipationforhi911risestructuresusingvariabledampingtunedmassdamper(VDTMD)isprensentedTheanalysismethodofVDTMD—basedwindvibrationcontrolhasbeenestablishedThefiniteelementanalysiscodehasbeendevelopedbasedon