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GBT model for the buckling analysis of conical shells with stress concentrations

2018-07-24Documento de conferência Acesso aberto
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dc.contributor.authorMuresan, Adina-Ana
dc.contributor.authorGonçalves, Rodrigo de Moura
dc.contributor.authorNedelcu, Mihai
dc.contributor.institutionDEC - Departamento de Engenharia Civil
dc.contributor.institutionUNIC - Centro de Investigação em Estruturas e Construção
dc.coverage.spatialLisbon
dc.date.accessioned2018-09-07T22:13:56Z
dc.date.available2018-09-07T22:13:56Z
dc.date.issued2018-07-24
dc.description.abstractThe paper presents a Finite Element formulation based on Generalized Beam Theory (GBT) for the analysis of the linear buckling behaviour of conical shells under various loading and boundary conditions. The GBT approach provides a general solution for the 1st and 2nd order analyses using bar elements capable of describing the global and local deformations. Because of the cross-section variation specific to conical shells, the mechanical and geometric properties are no longer constant along the bar axis as in the case of cylinders and prismatic thin-walled members. This proposed GBT finite element formulation is validated by comparison with results obtained by means of shell finite element analyses. The illustrative examples cover axially compressed members displaying all classical bar boundary conditions. Special attention is dedicated to the effect of pre-buckling stress concentrationsen
dc.description.versionpublishersversion
dc.description.versionpublished
dc.format.extent17
dc.format.extent922315
dc.identifier.otherPURE: 5794043
dc.identifier.otherPURE UUID: 97491341-8c70-4b70-a1f0-359ec2d0fd96
dc.identifier.otherORCID: /0000-0002-8951-6198/work/69246378
dc.identifier.urihttp://hdl.handle.net/10362/46021
dc.language.isoeng
dc.peerreviewedyes
dc.publisherUniversidade de Lisboa
dc.subjectGeneralized Beam Theory
dc.subjectConical shells
dc.subjectFinite element method
dc.subjectLinear buckling analysis
dc.titleGBT model for the buckling analysis of conical shells with stress concentrationsen
dc.typeconference object
degois.publication.titleProceedings of the 8th International Conference on Thin-Walled Structures (ICTWS 2018)
degois.publication.title8th International Conference on Thin-Walled Structures (ICTWS 2018)
dspace.entity.typePublication
rcaap.rightsopenAccess

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