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Article: Two-field solid element suiting thin-mesh analysis by admissible matrix formulation

TitleTwo-field solid element suiting thin-mesh analysis by admissible matrix formulation
Authors
Issue Date1992
PublisherEmerald Group Publishing Limited. The Journal's web site is located at http://www.emeraldinsight.com/info/journals/ec/ec.jsp
Citation
Engineering Computations, 1992, v. 9 n. 6, p. 649-668 How to Cite?
AbstractAn 8-node solid element applicable for thin structures is presented. The element employs eighteen assumed stress modes and the conventional displacement interpolation. The formulation starts with the hybrid stress element proposed by Pian and Tong. The higher order stress modes are first decomposed into the ones which do and do not lead to thin-element locking. The recently established methodology of admissible matrix formulation allows the decoupling of the above two categories of stress modes in the flexibility matrix without triggering element instability or failure of the patch test. The element stiffness can thus be decomposed into a series of matrices. Locking can be eliminated by adjusting the magnitude of the pertinent matrices. Accuracy and convergence rate of the present element are found to be competent to many of the existing plate and shell models.
Persistent Identifierhttp://hdl.handle.net/10722/156376
ISSN
2015 Impact Factor: 0.691
2015 SCImago Journal Rankings: 0.387

 

DC FieldValueLanguage
dc.contributor.authorSze, KYen_US
dc.contributor.authorGhali, Aen_US
dc.date.accessioned2012-08-08T08:42:12Z-
dc.date.available2012-08-08T08:42:12Z-
dc.date.issued1992en_US
dc.identifier.citationEngineering Computations, 1992, v. 9 n. 6, p. 649-668en_US
dc.identifier.issn0264-4401en_US
dc.identifier.urihttp://hdl.handle.net/10722/156376-
dc.description.abstractAn 8-node solid element applicable for thin structures is presented. The element employs eighteen assumed stress modes and the conventional displacement interpolation. The formulation starts with the hybrid stress element proposed by Pian and Tong. The higher order stress modes are first decomposed into the ones which do and do not lead to thin-element locking. The recently established methodology of admissible matrix formulation allows the decoupling of the above two categories of stress modes in the flexibility matrix without triggering element instability or failure of the patch test. The element stiffness can thus be decomposed into a series of matrices. Locking can be eliminated by adjusting the magnitude of the pertinent matrices. Accuracy and convergence rate of the present element are found to be competent to many of the existing plate and shell models.en_US
dc.languageengen_US
dc.publisherEmerald Group Publishing Limited. The Journal's web site is located at http://www.emeraldinsight.com/info/journals/ec/ec.jspen_US
dc.relation.ispartofEngineering computationsen_US
dc.titleTwo-field solid element suiting thin-mesh analysis by admissible matrix formulationen_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-s2.0-0026960449en_US
dc.identifier.volume9en_US
dc.identifier.issue6en_US
dc.identifier.spage649en_US
dc.identifier.epage668en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridSze, KY=7006735060en_US
dc.identifier.scopusauthoridGhali, A=7005151165en_US

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