Please use this identifier to cite or link to this item: https://doi.org/10.1061/(ASCE)0733-9445(2005)131:5(768)
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dc.titleSimulation of ductile fracture of circular hollow section joints using the Gurson model
dc.contributor.authorQian, X.D.
dc.contributor.authorChoo, Y.S.
dc.contributor.authorLiew, J.Y.R.
dc.contributor.authorWardenier, J.
dc.date.accessioned2014-06-17T08:25:05Z
dc.date.available2014-06-17T08:25:05Z
dc.date.issued2005-05
dc.identifier.citationQian, X.D., Choo, Y.S., Liew, J.Y.R., Wardenier, J. (2005-05). Simulation of ductile fracture of circular hollow section joints using the Gurson model. Journal of Structural Engineering 131 (5) : 768-780. ScholarBank@NUS Repository. https://doi.org/10.1061/(ASCE)0733-9445(2005)131:5(768)
dc.identifier.issn07339445
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/66172
dc.description.abstractNumerical modeling of the fracture effects on the strength of steel circular hollow section joints has not been sufficiently addressed historically. The Gurson model simulates the plastic yield behavior of material with microvoids. It is found in the current study that we can offer an alternative approach in modeling the ductile fracture for the strength analysis of tubular joints. Two loading conditions are investigated on tubular bars with the Gurson model. The effects of void growth and nucleation are observed to be more prominent in the axial tensile mode than the shear mode. Two types of tubular joints are investigated: precracked tubular joints and intact tubular joints. The effect of ductile fracture is reflected by softening of material, which leads to reductions in load-deformation curves which are consistent with test observations. Due to the lack of material data, a sensitivity study is carried out on the Gurson's material properties. ©ASCE.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1061/(ASCE)0733-9445(2005)131:5(768)
dc.sourceScopus
dc.subjectCracking
dc.subjectFractures
dc.subjectHollow sections
dc.subjectModels
dc.subjectNonlinear analysis
dc.subjectNumerical models
dc.subjectTube joints
dc.subjectVoids
dc.typeArticle
dc.contributor.departmentCIVIL ENGINEERING
dc.description.doi10.1061/(ASCE)0733-9445(2005)131:5(768)
dc.description.sourcetitleJournal of Structural Engineering
dc.description.volume131
dc.description.issue5
dc.description.page768-780
dc.description.codenJSEND
dc.identifier.isiut000228532400008
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