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Article: Fractal two-level finite-element method for two-dimensional cracks

TitleFractal two-level finite-element method for two-dimensional cracks
Authors
Issue Date1996
PublisherWiley-Blackwell Publishing, Inc.. The Journal's web site is located at http://www.wiley.com/bw/journal.asp?ref=1093-9687
Citation
Computer-Aided Civil And Infrastructure Engineering, 1996, v. 11 n. 4, p. 249-257 How to Cite?
AbstractFractal two-level finite-element method has been extended to mode II crack problems. In order to encourage the me of this versatile tool on crack problems, some user guide-lines for evaluating the stress intensity factor and for improving the convergence of stress intensity factors are suggested for structural engineers. The study is focused on (7) the effect of the numerical integration scheme on the convergency of stress intensity factors, (2) the configuration of fractal meshes, and (3) the influence of the aspect ratio of the fractal mesh on the accuracy of stress intensity factors. Both mode I and mode II two-dimensional crack problems are discussed. Examples for both the lagrangian and the serendipity types of elements are used to demonstrate the numerical efficiency and accuracy of the present method. In summary, it is not difficult to achieve accuracy within 3% error on stress intensity factors with a personal computer in a few seconds of execution time. © 1996 Microcomputers in Civil Engineering. Published by Blackwell Publishers.
Persistent Identifierhttp://hdl.handle.net/10722/150296
ISSN
2015 Impact Factor: 5.288
2015 SCImago Journal Rankings: 0.901
References

 

DC FieldValueLanguage
dc.contributor.authorLeung, AYTen_US
dc.contributor.authorSu, RKLen_US
dc.date.accessioned2012-06-26T06:03:04Z-
dc.date.available2012-06-26T06:03:04Z-
dc.date.issued1996en_US
dc.identifier.citationComputer-Aided Civil And Infrastructure Engineering, 1996, v. 11 n. 4, p. 249-257en_US
dc.identifier.issn1093-9687en_US
dc.identifier.urihttp://hdl.handle.net/10722/150296-
dc.description.abstractFractal two-level finite-element method has been extended to mode II crack problems. In order to encourage the me of this versatile tool on crack problems, some user guide-lines for evaluating the stress intensity factor and for improving the convergence of stress intensity factors are suggested for structural engineers. The study is focused on (7) the effect of the numerical integration scheme on the convergency of stress intensity factors, (2) the configuration of fractal meshes, and (3) the influence of the aspect ratio of the fractal mesh on the accuracy of stress intensity factors. Both mode I and mode II two-dimensional crack problems are discussed. Examples for both the lagrangian and the serendipity types of elements are used to demonstrate the numerical efficiency and accuracy of the present method. In summary, it is not difficult to achieve accuracy within 3% error on stress intensity factors with a personal computer in a few seconds of execution time. © 1996 Microcomputers in Civil Engineering. Published by Blackwell Publishers.en_US
dc.languageengen_US
dc.publisherWiley-Blackwell Publishing, Inc.. The Journal's web site is located at http://www.wiley.com/bw/journal.asp?ref=1093-9687en_US
dc.relation.ispartofComputer-Aided Civil and Infrastructure Engineeringen_US
dc.titleFractal two-level finite-element method for two-dimensional cracksen_US
dc.typeArticleen_US
dc.identifier.emailSu, RKL:klsu@hkucc.hku.hken_US
dc.identifier.authoritySu, RKL=rp00072en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-19944383214en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-19944383214&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume11en_US
dc.identifier.issue4en_US
dc.identifier.spage249en_US
dc.identifier.epage257en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridLeung, AYT=7403012697en_US
dc.identifier.scopusauthoridSu, RKL=7102627096en_US

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