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Article: Fractal two-level finite element method for free vibration of cracked beams

TitleFractal two-level finite element method for free vibration of cracked beams
Authors
Issue Date1998
PublisherI O S Press. The Journal's web site is located at http://www.iospress.nl/html/10709622.php
Citation
Shock And Vibration, 1998, v. 5 n. 1, p. 61-68 How to Cite?
AbstractThe fractal two-level finite element method is extended to the free vibration behavior of cracked beams for various end boundary conditions. A cracked beam is separated into its singular and regular regions. Within the singular region, infinite number of finite elements are virturally generated by fractal geometry to model the singular behavior of the crack tip. The corresponding numerous degrees of freedom are reduced to a small set of generalized displacements by fractal transformation technique. The solution time and computer storage can be remarkably reduced without sacrifying accuracy. The resonant frequencies and mode shapes computed compared well with the results from a commercial program.
Persistent Identifierhttp://hdl.handle.net/10722/71075
ISSN
2015 Impact Factor: 0.88
2015 SCImago Journal Rankings: 0.406
References

 

DC FieldValueLanguage
dc.contributor.authorLeung, AYTen_HK
dc.contributor.authorSu, RKLen_HK
dc.date.accessioned2010-09-06T06:28:41Z-
dc.date.available2010-09-06T06:28:41Z-
dc.date.issued1998en_HK
dc.identifier.citationShock And Vibration, 1998, v. 5 n. 1, p. 61-68en_HK
dc.identifier.issn1070-9622en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71075-
dc.description.abstractThe fractal two-level finite element method is extended to the free vibration behavior of cracked beams for various end boundary conditions. A cracked beam is separated into its singular and regular regions. Within the singular region, infinite number of finite elements are virturally generated by fractal geometry to model the singular behavior of the crack tip. The corresponding numerous degrees of freedom are reduced to a small set of generalized displacements by fractal transformation technique. The solution time and computer storage can be remarkably reduced without sacrifying accuracy. The resonant frequencies and mode shapes computed compared well with the results from a commercial program.en_HK
dc.languageengen_HK
dc.publisherI O S Press. The Journal's web site is located at http://www.iospress.nl/html/10709622.phpen_HK
dc.relation.ispartofShock and Vibrationen_HK
dc.titleFractal two-level finite element method for free vibration of cracked beamsen_HK
dc.typeArticleen_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-s2.0-0031621507en_HK
dc.identifier.hkuros51043en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031621507&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume5en_HK
dc.identifier.issue1en_HK
dc.identifier.spage61en_HK
dc.identifier.epage68en_HK
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridLeung, AYT=7403012564en_HK
dc.identifier.scopusauthoridSu, RKL=7102627096en_HK

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