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Article: On optimization approaches of hybrid stress elements

TitleOn optimization approaches of hybrid stress elements
Authors
Issue Date1995
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/finel
Citation
Finite Elements In Analysis And Design, 1995, v. 21 n. 1-2, p. 111-128 How to Cite?
AbstractA rational energy constraint to be used as the optimization condition (OPC) for hybrid finite element is presented. Based on OPC, the optimal stress pattern of the element is established in a general formulation. In this approach, the improvement of the element performance is carry out by a pretreatment of the initially assumed stress field. As an alternative way for the optimization of hybrid elements, the penalty-equilibrating approach is also suggested in the paper in which the equilibrium equation is enforced to the individual elements directly. Finally, a discussion on the stress distribution in an element is made. Some requirements on the rational σ-distribution are suggested. All of the points mentioned have been verified by means of some innovative hybrid elements in 2-D, 3-D and axisymmetric problems. © 1995.
Persistent Identifierhttp://hdl.handle.net/10722/150059
ISSN
2015 Impact Factor: 2.175
2015 SCImago Journal Rankings: 1.278

 

DC FieldValueLanguage
dc.contributor.authorWu, CCen_US
dc.contributor.authorCheung, YKen_US
dc.date.accessioned2012-06-26T06:01:20Z-
dc.date.available2012-06-26T06:01:20Z-
dc.date.issued1995en_US
dc.identifier.citationFinite Elements In Analysis And Design, 1995, v. 21 n. 1-2, p. 111-128en_US
dc.identifier.issn0168-874Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/150059-
dc.description.abstractA rational energy constraint to be used as the optimization condition (OPC) for hybrid finite element is presented. Based on OPC, the optimal stress pattern of the element is established in a general formulation. In this approach, the improvement of the element performance is carry out by a pretreatment of the initially assumed stress field. As an alternative way for the optimization of hybrid elements, the penalty-equilibrating approach is also suggested in the paper in which the equilibrium equation is enforced to the individual elements directly. Finally, a discussion on the stress distribution in an element is made. Some requirements on the rational σ-distribution are suggested. All of the points mentioned have been verified by means of some innovative hybrid elements in 2-D, 3-D and axisymmetric problems. © 1995.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/finelen_US
dc.relation.ispartofFinite Elements in Analysis and Designen_US
dc.titleOn optimization approaches of hybrid stress elementsen_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-s2.0-0029389426en_US
dc.identifier.volume21en_US
dc.identifier.issue1-2en_US
dc.identifier.spage111en_US
dc.identifier.epage128en_US
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridWu, CC=7501671955en_US
dc.identifier.scopusauthoridCheung, YK=7202111065en_US

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