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Article: New slave-node constraints and element for adaptive analysis of C 0 plates

TitleNew slave-node constraints and element for adaptive analysis of C 0 plates
Authors
KeywordsAdaptive Analysis
Constraints
Hybrid
Plate Bending
Slave Node
Transition Element
Issue Date2011
PublisherTechno-Press. The Journal's web site is located at http://technopress.kaist.ac.kr/?journal=sem&subpage=5
Citation
Structural Engineering And Mechanics, 2011, v. 39 n. 3, p. 339-360 How to Cite?
AbstractIn the In the h-type adaptive analysis, when an element is refined or subdivided, new nodes are added. Among them are the transition nodes which are the corner nodes of the new elements formed by subdivision and, simultaneously, the mid-side nodes of the adjacent non-subdivided elements. To secure displacement compatibility, the slave-node approach in which the DOFs of a transition node are constrained by those of the adjacent nodes had been used. Alternatively, transition elements which possess the transition nodes as active mid-side/-face nodes can be used. For C 0 plate analyses, the conventional slave-node constraints and the previously derived ANS transition elements are implemented. In both implementations, the four-node element is the ANS element. With reference to the predictions of the transition elements, the slave-node approach not only delivers erroneous results but also fails the patch test. In this paper, the patch test failure is resolved by developing a set of new constraints with which the slave-node approach surpasses the transition-element approach. The accuracy of the slave-node approach is further improved by developing a hybrid four-node element in which the assumed moment and shear force modes are in strict equilibrium.
Persistent Identifierhttp://hdl.handle.net/10722/157129
ISSN
2015 Impact Factor: 1.021
2015 SCImago Journal Rankings: 0.450
References

 

DC FieldValueLanguage
dc.contributor.authorSze, KYen_US
dc.contributor.authorWu, Den_US
dc.date.accessioned2012-08-08T08:45:27Z-
dc.date.available2012-08-08T08:45:27Z-
dc.date.issued2011en_US
dc.identifier.citationStructural Engineering And Mechanics, 2011, v. 39 n. 3, p. 339-360en_US
dc.identifier.issn1225-4568en_US
dc.identifier.urihttp://hdl.handle.net/10722/157129-
dc.description.abstractIn the In the h-type adaptive analysis, when an element is refined or subdivided, new nodes are added. Among them are the transition nodes which are the corner nodes of the new elements formed by subdivision and, simultaneously, the mid-side nodes of the adjacent non-subdivided elements. To secure displacement compatibility, the slave-node approach in which the DOFs of a transition node are constrained by those of the adjacent nodes had been used. Alternatively, transition elements which possess the transition nodes as active mid-side/-face nodes can be used. For C 0 plate analyses, the conventional slave-node constraints and the previously derived ANS transition elements are implemented. In both implementations, the four-node element is the ANS element. With reference to the predictions of the transition elements, the slave-node approach not only delivers erroneous results but also fails the patch test. In this paper, the patch test failure is resolved by developing a set of new constraints with which the slave-node approach surpasses the transition-element approach. The accuracy of the slave-node approach is further improved by developing a hybrid four-node element in which the assumed moment and shear force modes are in strict equilibrium.en_US
dc.languageengen_US
dc.publisherTechno-Press. The Journal's web site is located at http://technopress.kaist.ac.kr/?journal=sem&subpage=5en_US
dc.relation.ispartofStructural Engineering and Mechanicsen_US
dc.subjectAdaptive Analysisen_US
dc.subjectConstraintsen_US
dc.subjectHybriden_US
dc.subjectPlate Bendingen_US
dc.subjectSlave Nodeen_US
dc.subjectTransition Elementen_US
dc.titleNew slave-node constraints and element for adaptive analysis of C 0 platesen_US
dc.typeArticleen_US
dc.identifier.emailSze, KY:szeky@graduate.hku.hken_US
dc.identifier.authoritySze, KY=rp00171en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-79960215196en_US
dc.identifier.hkuros206003-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79960215196&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume39en_US
dc.identifier.issue3en_US
dc.identifier.spage339en_US
dc.identifier.epage360en_US
dc.publisher.placeKorea, Republic ofen_US
dc.identifier.scopusauthoridSze, KY=7006735060en_US
dc.identifier.scopusauthoridWu, D=26638590700en_US

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