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Article: Improved method for determining free boundary stresses

TitleImproved method for determining free boundary stresses
Authors
Issue Date1992
PublisherProfessional Engineering Publishing Ltd. The Journal's web site is located at http://journals.pepublishing.com/link.asp?id=119785
Citation
Journal Of Strain Analysis For Engineering Design, 1992, v. 27 n. 2, p. 93-99 How to Cite?
AbstractThe conventional finite element method shows its weakness in determining the stress distributions along free boundaries. This is because the chosen element displacement functions do not implicitly satisfy the conditions which prevail at the free boundaries. A procedure has been proposed to modify the conventional finite element method so as to allow the elastic stresses along the free boundaries of two- and three-dimensional structures to be determined with improved accuracy. The results obtained by this modified method for a two-dimensional problem are compared with both a photoelastic and a traditional finite element solution. The comparison shows that the modified solution is in better agreement with the photoelastic test data as compared with the traditional solution. The results obtained by the modified method for a three-dimensional problem is compared with a traditional finite element solution and the former is found to be superior.
Persistent Identifierhttp://hdl.handle.net/10722/156366
ISSN
2015 Impact Factor: 1.25
2015 SCImago Journal Rankings: 0.575

 

DC FieldValueLanguage
dc.contributor.authorSoh, AKen_US
dc.date.accessioned2012-08-08T08:42:09Z-
dc.date.available2012-08-08T08:42:09Z-
dc.date.issued1992en_US
dc.identifier.citationJournal Of Strain Analysis For Engineering Design, 1992, v. 27 n. 2, p. 93-99en_US
dc.identifier.issn0309-3247en_US
dc.identifier.urihttp://hdl.handle.net/10722/156366-
dc.description.abstractThe conventional finite element method shows its weakness in determining the stress distributions along free boundaries. This is because the chosen element displacement functions do not implicitly satisfy the conditions which prevail at the free boundaries. A procedure has been proposed to modify the conventional finite element method so as to allow the elastic stresses along the free boundaries of two- and three-dimensional structures to be determined with improved accuracy. The results obtained by this modified method for a two-dimensional problem are compared with both a photoelastic and a traditional finite element solution. The comparison shows that the modified solution is in better agreement with the photoelastic test data as compared with the traditional solution. The results obtained by the modified method for a three-dimensional problem is compared with a traditional finite element solution and the former is found to be superior.en_US
dc.languageengen_US
dc.publisherProfessional Engineering Publishing Ltd. The Journal's web site is located at http://journals.pepublishing.com/link.asp?id=119785en_US
dc.relation.ispartofJournal of Strain Analysis for Engineering Designen_US
dc.titleImproved method for determining free boundary stressesen_US
dc.typeArticleen_US
dc.identifier.emailSoh, AK:aksoh@hkucc.hku.hken_US
dc.identifier.authoritySoh, AK=rp00170en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0026851228en_US
dc.identifier.volume27en_US
dc.identifier.issue2en_US
dc.identifier.spage93en_US
dc.identifier.epage99en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridSoh, AK=7006795203en_US

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