摘要
Thefreenon-linearvibrationofaxiallymoving,elastic,andtensionedbeamsonfixedsupportsisinvestigatedinthispaper.Twotypesofnon-linearity,namely,thedifferentialtypeandintegro-differentialtype,areanalyzed.Approximatesolutionsaresoughtusingthemethodofmultiplescales.Thecontributionofnon-linearitytotheresponseincreaseswiththeaxialspeed,andgrowsmostrapidlynearthecriticalspeed.Ithasbeenfoundthatthedifferentialtypenonlinearityisstrongerthantheintegro-differentialtypenon-linearitybyanalyzingthenon-lineareffectsonnaturalfrequencies.
出版日期
2005年03月13日(中国期刊网平台首次上网日期,不代表论文的发表时间)