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dc.contributor.authorZhu, J
dc.contributor.authorQian, S
dc.contributor.authorLi, Long-yuan
dc.date.accessioned2017-08-30T06:07:28Z
dc.date.available2017-08-30T06:07:28Z
dc.date.issued2017-10
dc.identifier.issn0020-7403
dc.identifier.issn1879-2162
dc.identifier.urihttp://hdl.handle.net/10026.1/9876
dc.description.abstract

This paper presents an analytical investigation on the free vibration, static buckling and dynamic instability of laterally-restrained zed-section purlin beams when subjected to uplift wind loading. The analysis is carried out by using the classical principle of minimum potential energy. By assuming the instability modes, the kinetic energy and strain energy of the beam and the loss of the potential energy of the applied load are evaluated, from which the mass, stiffness and geometric stiffness matrices of the system are derived. These matrices are then used to carry out the analyses of free vibration, static buckling and dynamic instability of the beams. Theoretical formulae are derived for the free vibration frequency, critical buckling moment, and excitation frequency of the beam. The effects of the section size of the beam and the static part of the applied load on the change of dynamic instability zone are also discussed.

dc.format.extent408-413
dc.languageen
dc.language.isoen
dc.publisherElsevier BV
dc.subjectCold-formed steel
dc.subjectBuckling
dc.subjectDynamic instability
dc.subjectVibration
dc.subjectLateral-torsional
dc.subjectBeam
dc.titleDynamic instability of laterally-restrained zed-purlin beams under uplift loading
dc.typejournal-article
dc.typeJournal Article
plymouth.author-urlhttps://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000412960000037&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=11bb513d99f797142bcfeffcc58ea008
plymouth.volume131-132
plymouth.publication-statusPublished
plymouth.journalInternational Journal of Mechanical Sciences
dc.identifier.doi10.1016/j.ijmecsci.2017.07.021
plymouth.organisational-group/Plymouth
plymouth.organisational-group/Plymouth/Faculty of Science and Engineering
plymouth.organisational-group/Plymouth/Faculty of Science and Engineering/School of Engineering, Computing and Mathematics
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA/UoA12 Engineering
plymouth.organisational-group/Plymouth/Research Groups
plymouth.organisational-group/Plymouth/Research Groups/Marine Institute
plymouth.organisational-group/Plymouth/Users by role
plymouth.organisational-group/Plymouth/Users by role/Academics
dcterms.dateAccepted2017-07-09
dc.rights.embargodate2018-7-12
dc.identifier.eissn1879-2162
dc.rights.embargoperiodNot known
rioxxterms.versionofrecord10.1016/j.ijmecsci.2017.07.021
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserved
rioxxterms.licenseref.startdate2017-10
rioxxterms.typeJournal Article/Review


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