Large post-buckling behavior of Timoshenko beams under axial compression loads

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dc.authorid0000-0001-5327-3406en_US
dc.contributor.authorAkbaş, Şeref Doğuşcan
dc.date.accessioned2021-03-20T20:15:29Z
dc.date.available2021-03-20T20:15:29Z
dc.date.issued2014
dc.departmentBTÜ, Mühendislik ve Doğa Bilimleri Fakültesi, İnşaat Mühendisliği Bölümüen_US
dc.descriptionAkbas, Seref Doguscan/0000-0001-5327-3406en_US
dc.description.abstractLarge post-buckling behavior of Timoshenko beams subjected to non-follower axial compression loads are studied in this paper by using the total Lagrangian Timoshenko beam element approximation. Two types of support conditions for the beams are considered. In the case of beams subjected to compression loads, load rise causes compressible forces end therefore buckling and post-buckling phenomena occurs. It is known that post-buckling problems are geometrically nonlinear problems. The considered highly non-linear problem is solved considering full geometric non-linearity by using incremental displacement-based finite element method in conjunction with Newton-Raphson iteration method. There is no restriction on the magnitudes of deflections and rotations in contradistinction to vonKarman strain displacement relations of the beam. The beams considered in numerical examples are made of lower-Carbon Steel. In the study, the relationships between deflections, rotational angles, critical buckling loads, post-buckling configuration, Cauchy stress of the beams and load rising are illustrated in detail in post-buckling case.en_US
dc.identifier.doi10.12989/sem.2014.51.6.955en_US
dc.identifier.endpage971en_US
dc.identifier.issn1225-4568
dc.identifier.issn1598-6217
dc.identifier.issue6en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage955en_US
dc.identifier.urihttp://doi.org/10.12989/sem.2014.51.6.955
dc.identifier.urihttps://hdl.handle.net/20.500.12885/1199
dc.identifier.volume51en_US
dc.identifier.wosWOS:000344986600005en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorAkbaş, Şeref Doğuşcan
dc.language.isoenen_US
dc.publisherTechno-Pressen_US
dc.relation.ispartofStructural Engineering And Mechanicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectgometrical non-linearityen_US
dc.subjectpost-buckling analysisen_US
dc.subjecttotal Lagrangian finite element modelen_US
dc.subjecttimoshenko beamen_US
dc.subjectlarge displacementsen_US
dc.subjectlarge rotationsen_US
dc.titleLarge post-buckling behavior of Timoshenko beams under axial compression loadsen_US
dc.typeArticleen_US

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