資源描述：
《free vibration analysis of planar rotating rings by wave propagation》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、JournalofSoundandVibration332(2013)4979–4997ContentslistsavailableatSciVerseScienceDirectJournalofSoundandVibrationjournalhomepage:www.elsevier.com/locate/jsviFreevibrationanalysisofplanarrotatingringsbywavepropagationnDishanHuang,LiangTang,RuiCaoSchoolofM
2、echatronicsEngineeringandAutomation,ShanghaiUniversity,Shanghai200072,PRChinaarticleinfoabstractArticlehistory:Inthispaper,asystematicapproachforthefreevibrationanalysisofrotatingthinringsisReceived12February2012presentedbywavepropagation.Thesystemconsider
3、edincludesauniformringandReceivedinrevisedformmultiplebanddiscontinuities.Neglectingtransverseshear,harmonicwavesolutionsare31March2013foundforbothextensionalandinextensionalrotatingringmodels.FrequencyspectraandAccepted16April2013phasediagramareobtained,a
4、ndtheratiooftangentialdisplacementtoradialdisplace-HandlingEditor:S.Ilankomentandcut-offfrequenciesaredetermined.Meanwhile,wavereflectionandtransmis-Availableonline25May2013sionmatricesareformulatedforcrosssectionareadiscontinuitycondition.Thesematricesare
5、combined,withtheaidoffiledtransfermatrices,toprovideaconciseandefficientmethodforanalysingthefreevibrationproblemofrotatingringswithmulti-span.Thecomputedresultsareexactsincetheeffectsofattenuatingwavecomponentsareincludedintheformulation.Twoexamplesarepre
6、sentedtoillustratethevalidityofthewavepropagationapproach.Thisresearchwillbevaluableinthefreevibrationanalysisofasolidcageinhighspeedrollerbearing.CrownCopyright&2013PublishedbyElsevierLtd.Allrightsreserved.1.IntroductionThewavepropagationmethod(WPM)isapow
7、erfulapproachforacquiringresultsfromvibrationanalysisandfordevelopingasystematicproceduretoobtaindynamicpropertiesofstrings,beamsandplanes.Thestudies,whicharebasedonpropagatingwaveindynamicpropertiesofcomplexstructures(suchasmulti-spanbeams,trusses,aircraf
8、tpanels,etc.),showconcisenessinthemodelingandcomputationefficiency.Love[1]presentedprimitivestudiesonthewavemotioninacurvedbeam.Assumptionsincludedtheuseofanequivalentradiusofcurvaturesandanin-extensionalneut
