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Article: Local stress field for torsion of a penny-shaped crack in a transversely Isotropic functionally graded strip

TitleLocal stress field for torsion of a penny-shaped crack in a transversely Isotropic functionally graded strip
Authors
KeywordsAnisotropic media
Functionally graded strip
Penny-shaped crack
Stress intensity factor
Torsion
Issue Date2004
PublisherTechno-Press. The Journal's web site is located at http://technopress.kaist.ac.kr/?journal=sem&subpage=5
Citation
Structural Engineering And Mechanics, 2004, v. 18 n. 6, p. 759-768 How to Cite?
AbstractThe torsion of a penny-shaped crack in a transversely isotropic strip is investigated in this paper. The shear moduli are functionally graded in such a way that the mathematics is tractable. Hankel transform is used to reduce the problem to solving a Fredholm integral equation. The crack tip stress field is obtained by taking the asymptotic behavior of Bessel function into account. The effects of material property parameters and geometry criterion on the stress intensity factor are investigated. Numerical results show that increasing the shear moduli's gradient and/or increasing the shear modulus in a direction perpendicular to the crack surface can suppress crack initiation and growth, and that the stress intensity factor varies little with the increasing of the strip's height.
Persistent Identifierhttp://hdl.handle.net/10722/71751
ISSN
2015 Impact Factor: 1.021
2015 SCImago Journal Rankings: 0.450
References
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DC FieldValueLanguage
dc.contributor.authorFeng, WJen_HK
dc.contributor.authorSu, RKLen_HK
dc.date.accessioned2010-09-06T06:34:50Z-
dc.date.available2010-09-06T06:34:50Z-
dc.date.issued2004en_HK
dc.identifier.citationStructural Engineering And Mechanics, 2004, v. 18 n. 6, p. 759-768en_HK
dc.identifier.issn1225-4568en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71751-
dc.description.abstractThe torsion of a penny-shaped crack in a transversely isotropic strip is investigated in this paper. The shear moduli are functionally graded in such a way that the mathematics is tractable. Hankel transform is used to reduce the problem to solving a Fredholm integral equation. The crack tip stress field is obtained by taking the asymptotic behavior of Bessel function into account. The effects of material property parameters and geometry criterion on the stress intensity factor are investigated. Numerical results show that increasing the shear moduli's gradient and/or increasing the shear modulus in a direction perpendicular to the crack surface can suppress crack initiation and growth, and that the stress intensity factor varies little with the increasing of the strip's height.en_HK
dc.languageengen_HK
dc.publisherTechno-Press. The Journal's web site is located at http://technopress.kaist.ac.kr/?journal=sem&subpage=5en_HK
dc.relation.ispartofStructural Engineering and Mechanicsen_HK
dc.subjectAnisotropic mediaen_HK
dc.subjectFunctionally graded stripen_HK
dc.subjectPenny-shaped cracken_HK
dc.subjectStress intensity factoren_HK
dc.subjectTorsionen_HK
dc.titleLocal stress field for torsion of a penny-shaped crack in a transversely Isotropic functionally graded stripen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1225-4568&volume=18&issue=6&spage=759&epage=768&date=2004&atitle=Local+Stress+Field+for+Torsion+of+a+Penny-shaped+Crack+in+a+Transversely+Isotropic+Functionally+Graded+Stripen_HK
dc.identifier.emailSu, RKL:klsu@hkucc.hku.hken_HK
dc.identifier.authoritySu, RKL=rp00072en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-9144253233en_HK
dc.identifier.hkuros97390en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-9144253233&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume18en_HK
dc.identifier.issue6en_HK
dc.identifier.spage759en_HK
dc.identifier.epage768en_HK
dc.publisher.placeKorea, Republic ofen_HK
dc.relation.projectInteraction of multiple branched cracks-
dc.identifier.scopusauthoridFeng, WJ=12752270200en_HK
dc.identifier.scopusauthoridSu, RKL=7102627096en_HK

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