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Article: Hybrid-stress six-node prismatic elements

TitleHybrid-stress six-node prismatic elements
Authors
KeywordsAssumed strain
Finite element
Hybrid-stress
Prism
Six-node
Solid-shell
Issue Date2004
PublisherJohn Wiley & Sons Ltd. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/1430
Citation
International Journal For Numerical Methods In Engineering, 2004, v. 61 n. 9, p. 1451-1470 How to Cite?
AbstractThis paper presents three novel hybrid-stress six-node prismatic elements. Starting from the element displacement interpolation, the equilibrating non-constant stress modes for the first element are identified and orthogonalized with respect to the constant stress modes for higher computational efficiency. For the second element, the non-constant stress modes are non-equilibrating and chosen for the sake of stabilizing the reduced-integrated element. The first two elements are intended for three-dimensional continuum analysis with both passing the patch test for three-dimensional continuum elements. The third element is primarily intended for plate/shell analysis. Shear locking is alleviated by a new assumed strain scheme which preserves the element accuracy with respect to the twisting load. Furthermore, the Poisson's locking along the in-plane and out-of-plane directions is overcome by using the hybrid-stress modes of the first element. The third element passes the patch test for plate/shell elements. Unless the element assumes the right prismatic geometry, it fails the patch test for three-dimensional continuum elements. It will be seen that all the proposed elements are markedly more accurate than the conventional fully integrated element. © 2004 John Wiley and Sons, Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/70861
ISSN
2015 Impact Factor: 2.1
2015 SCImago Journal Rankings: 2.007
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorSze, KYen_HK
dc.contributor.authorLiu, XHen_HK
dc.contributor.authorLo, SHen_HK
dc.date.accessioned2010-09-06T06:26:46Z-
dc.date.available2010-09-06T06:26:46Z-
dc.date.issued2004en_HK
dc.identifier.citationInternational Journal For Numerical Methods In Engineering, 2004, v. 61 n. 9, p. 1451-1470en_HK
dc.identifier.issn0029-5981en_HK
dc.identifier.urihttp://hdl.handle.net/10722/70861-
dc.description.abstractThis paper presents three novel hybrid-stress six-node prismatic elements. Starting from the element displacement interpolation, the equilibrating non-constant stress modes for the first element are identified and orthogonalized with respect to the constant stress modes for higher computational efficiency. For the second element, the non-constant stress modes are non-equilibrating and chosen for the sake of stabilizing the reduced-integrated element. The first two elements are intended for three-dimensional continuum analysis with both passing the patch test for three-dimensional continuum elements. The third element is primarily intended for plate/shell analysis. Shear locking is alleviated by a new assumed strain scheme which preserves the element accuracy with respect to the twisting load. Furthermore, the Poisson's locking along the in-plane and out-of-plane directions is overcome by using the hybrid-stress modes of the first element. The third element passes the patch test for plate/shell elements. Unless the element assumes the right prismatic geometry, it fails the patch test for three-dimensional continuum elements. It will be seen that all the proposed elements are markedly more accurate than the conventional fully integrated element. © 2004 John Wiley and Sons, Ltd.en_HK
dc.languageengen_HK
dc.publisherJohn Wiley & Sons Ltd. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/1430en_HK
dc.relation.ispartofInternational Journal for Numerical Methods in Engineeringen_HK
dc.rightsInternational Journal for Numerical Methods in Engineering. Copyright © John Wiley & Sons Ltd.en_HK
dc.subjectAssumed strainen_HK
dc.subjectFinite elementen_HK
dc.subjectHybrid-stressen_HK
dc.subjectPrismen_HK
dc.subjectSix-nodeen_HK
dc.subjectSolid-shellen_HK
dc.titleHybrid-stress six-node prismatic elementsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0029-5981&volume=61&spage=1451&epage=1470&date=2004&atitle=Hybrid-stress+six-node+prismatic+elementsen_HK
dc.identifier.emailSze, KY:szeky@graduate.hku.hken_HK
dc.identifier.emailLo, SH:hreclsh@hkucc.hku.hken_HK
dc.identifier.authoritySze, KY=rp00171en_HK
dc.identifier.authorityLo, SH=rp00223en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/nme.1118en_HK
dc.identifier.scopuseid_2-s2.0-8344242046en_HK
dc.identifier.hkuros100155en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-8344242046&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume61en_HK
dc.identifier.issue9en_HK
dc.identifier.spage1451en_HK
dc.identifier.epage1470en_HK
dc.identifier.isiWOS:000224884300004-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridSze, KY=7006735060en_HK
dc.identifier.scopusauthoridLiu, XH=7409294041en_HK
dc.identifier.scopusauthoridLo, SH=7401542444en_HK

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