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Article: Improved method for determining interfacial stresses in composites

TitleImproved method for determining interfacial stresses in composites
Authors
Issue Date1993
PublisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/as.html
Citation
Journal Of Aerospace Engineering, 1993, v. 6 n. 1, p. 90-103 How to Cite?
AbstractThe conventional finite element method shows its weakness in determining the stress distributions along fiber matrix interfaces. This is because the chosen element displacement functions do not explicitly and/or implicitly satisfy the equilibrium and compatibility conditions that prevail at the interfaces. A procedure has been proposed to modify the conventional finite element method so as to allow the elastic stresses along the fiber matrix interfaces of two- and three-dimensional fiber-reinforced composites 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 than the traditional solution. The results obtained by the modified method for a three-dimensional problem are compared with a traditional finite element solution and the modified method is found to be superior.
Persistent Identifierhttp://hdl.handle.net/10722/156382
ISSN
2015 Impact Factor: 0.815
2015 SCImago Journal Rankings: 0.324

 

DC FieldValueLanguage
dc.contributor.authorSoh, AiKahen_US
dc.date.accessioned2012-08-08T08:42:13Z-
dc.date.available2012-08-08T08:42:13Z-
dc.date.issued1993en_US
dc.identifier.citationJournal Of Aerospace Engineering, 1993, v. 6 n. 1, p. 90-103en_US
dc.identifier.issn0893-1321en_US
dc.identifier.urihttp://hdl.handle.net/10722/156382-
dc.description.abstractThe conventional finite element method shows its weakness in determining the stress distributions along fiber matrix interfaces. This is because the chosen element displacement functions do not explicitly and/or implicitly satisfy the equilibrium and compatibility conditions that prevail at the interfaces. A procedure has been proposed to modify the conventional finite element method so as to allow the elastic stresses along the fiber matrix interfaces of two- and three-dimensional fiber-reinforced composites 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 than the traditional solution. The results obtained by the modified method for a three-dimensional problem are compared with a traditional finite element solution and the modified method is found to be superior.en_US
dc.languageengen_US
dc.publisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/as.htmlen_US
dc.relation.ispartofJournal of Aerospace Engineeringen_US
dc.titleImproved method for determining interfacial stresses in compositesen_US
dc.typeArticleen_US
dc.identifier.emailSoh, AiKah:aksoh@hkucc.hku.hken_US
dc.identifier.authoritySoh, AiKah=rp00170en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0027307855en_US
dc.identifier.volume6en_US
dc.identifier.issue1en_US
dc.identifier.spage90en_US
dc.identifier.epage103en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridSoh, AiKah=7006795203en_US

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