On the dynamic behaviour of a mass supported by a parallel combination of a spring and an elastically connected damper

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dc.contributor.authorBrennan, M. J.
dc.contributor.authorCarrella, A.
dc.contributor.authorWaters, T. P.
dc.contributor.authorLopes, Vicente [UNESP]
dc.contributor.institutionUniv Southampton
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:29:25Z
dc.date.available2014-05-20T13:29:25Z
dc.date.issued2008-01-22
dc.description.abstractThis paper presents a consistent and concise analysis of the free and forced vibration of a mass supported by a parallel combination of a spring and an elastically supported damper (a Zener model). The results are presented in a compact form and the physical behaviour of the system is emphasised. This system is very similar to the conventional single-degree-of freedom system (sdof)-(Voigt model), but the dynamics can be quite different depending on the system parameters. The usefulness of the additional spring in series with the damper is investigated, and optimum damping values for the system subject to different types of excitation are determined and compared.There are three roots to the characteristic equation for the Zener model; two are complex conjugates and the third is purely real. It is shown that it is not possible to achieve critical damping of the complex roots unless the additional stiffness is at least eight times that of the main spring. For a harmonically excited system, there are some possible advantages in using the additional spring when the transmitted force to the base is of interest, but when the displacement response of the system is of interest then the benefits are marginal. It is shown that the additional spring affords no advantages when the system is excited by white noise. (c) 2007 Elsevier Ltd. All rights reserved.en
dc.description.affiliationUniv Southampton, Inst Sound & Vibrat Res, Southampton SO17 1BJ, Hants, England
dc.description.affiliationUniv Estadual Paulista, Dept Mech Engn, BR-5385000 Ilha Solteira, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Mech Engn, BR-5385000 Ilha Solteira, SP, Brazil
dc.format.extent823-837
dc.identifierhttp://dx.doi.org/10.1016/j.jsv.2007.07.074
dc.identifier.citationJournal of Sound and Vibration. London: Academic Press Ltd Elsevier B.V. Ltd, v. 309, n. 3-5, p. 823-837, 2008.
dc.identifier.doi10.1016/j.jsv.2007.07.074
dc.identifier.issn0022-460X
dc.identifier.lattes3283762683761655
dc.identifier.urihttp://hdl.handle.net/11449/9917
dc.identifier.wosWOS:000251627500024
dc.language.isoeng
dc.publisherAcademic Press Ltd Elsevier B.V. Ltd
dc.relation.ispartofJournal of Sound and Vibration
dc.relation.ispartofjcr2.618
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleOn the dynamic behaviour of a mass supported by a parallel combination of a spring and an elastically connected damperen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderAcademic Press Ltd Elsevier B.V. Ltd
unesp.author.lattes3283762683761655
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Engenharia, Ilha Solteirapt

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