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Article: Hybrid quadrilateral element based on mindlin/reissner plate theory

TitleHybrid quadrilateral element based on mindlin/reissner plate theory
Authors
Issue Date1989
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/compstruc
Citation
Computers And Structures, 1989, v. 32 n. 2, p. 327-339 How to Cite?
AbstractTwo quadrilateral hybrid Mindlin plate elements QPL4 and QPL6 based on a new functional [1] are proposed here. In this formulation the displacements are decomposed into two parts, and the internal displacements are able to impose two different types of constraints on the shear strains of the element. For the first type, locking is eliminated indirectly through increasing the constraints on the shear forces and bending moments, while for the second type the constraints are imposed on the shear strains directly, and corresponds to the technique employed for the displacement type models. It will be shown that the element QPL6, which belongs to the first type, is a superior element and can achieve high accuracy and convergence without oscillation over a wide range of plate thickness/span ratios. By adopting the natural coordinate interpolation system, the elements are coordinate invariant. Furthermore, the separation of stress field variables enables the element to yield more accurate stresses. A number of examples is used to demonstrate the accuracy and reliability of the proposed elements. © 1989.
Persistent Identifierhttp://hdl.handle.net/10722/149930
ISSN
2015 Impact Factor: 2.425
2015 SCImago Journal Rankings: 1.710

 

DC FieldValueLanguage
dc.contributor.authorCheung, YKen_US
dc.contributor.authorChen, Wen_US
dc.date.accessioned2012-06-26T06:00:37Z-
dc.date.available2012-06-26T06:00:37Z-
dc.date.issued1989en_US
dc.identifier.citationComputers And Structures, 1989, v. 32 n. 2, p. 327-339en_US
dc.identifier.issn0045-7949en_US
dc.identifier.urihttp://hdl.handle.net/10722/149930-
dc.description.abstractTwo quadrilateral hybrid Mindlin plate elements QPL4 and QPL6 based on a new functional [1] are proposed here. In this formulation the displacements are decomposed into two parts, and the internal displacements are able to impose two different types of constraints on the shear strains of the element. For the first type, locking is eliminated indirectly through increasing the constraints on the shear forces and bending moments, while for the second type the constraints are imposed on the shear strains directly, and corresponds to the technique employed for the displacement type models. It will be shown that the element QPL6, which belongs to the first type, is a superior element and can achieve high accuracy and convergence without oscillation over a wide range of plate thickness/span ratios. By adopting the natural coordinate interpolation system, the elements are coordinate invariant. Furthermore, the separation of stress field variables enables the element to yield more accurate stresses. A number of examples is used to demonstrate the accuracy and reliability of the proposed elements. © 1989.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/compstrucen_US
dc.relation.ispartofComputers and Structuresen_US
dc.titleHybrid quadrilateral element based on mindlin/reissner plate theoryen_US
dc.typeArticleen_US
dc.identifier.emailCheung, YK:hreccyk@hkucc.hku.hken_US
dc.identifier.authorityCheung, YK=rp00104en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0024933826en_US
dc.identifier.volume32en_US
dc.identifier.issue2en_US
dc.identifier.spage327en_US
dc.identifier.epage339en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridCheung, YK=7202111065en_US
dc.identifier.scopusauthoridChen, W=8503539200en_US

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