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Article: Modeling of voids/cracks and their interactions

TitleModeling of voids/cracks and their interactions
Authors
KeywordsCircular/elliptical hole
Complex potentials
Conformal mapping
Crack
Hybrid element
Semi-analytic element
Issue Date2002
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/tafmec
Citation
Theoretical And Applied Fracture Mechanics, 2002, v. 38 n. 1, p. 81-101 How to Cite?
AbstractNumerical modeling of a two-dimensional elastic body containing multiple voids/cracks to study the interaction between these defects can be significantly simplified by developing special finite elements, each containing an internal circular/elliptic hole or a slit crack. These finite elements are developed using complex potentials and the conformal mapping technique. The elements developed can be divided into two categories, namely, the semi-analytic-type and hybrid-type elements. The latter element type is an improved version of the former due to the implementation of displacement continuity along the inter-element boundary. All the proposed elements can be easily combined with the conventional displacement elements, such as isoparametric elements, to analyze the above-mentioned problems without using complicated finite element meshes. Numerical examples have been employed to illustrate the modeling of voids/cracks and their interactions. The results obtained using the semi-analytic-type elements are in good agreement with the theoretical results, and the corresponding results obtained using the hybrid-type elements show an improvement of the agreement with the theoretical results. However, the former element type is much easier to construct. © 2002 Elsevier Science Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/76113
ISSN
2015 Impact Factor: 2.025
2015 SCImago Journal Rankings: 0.835
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYang, CHen_HK
dc.contributor.authorSoh, AKen_HK
dc.date.accessioned2010-09-06T07:17:46Z-
dc.date.available2010-09-06T07:17:46Z-
dc.date.issued2002en_HK
dc.identifier.citationTheoretical And Applied Fracture Mechanics, 2002, v. 38 n. 1, p. 81-101en_HK
dc.identifier.issn0167-8442en_HK
dc.identifier.urihttp://hdl.handle.net/10722/76113-
dc.description.abstractNumerical modeling of a two-dimensional elastic body containing multiple voids/cracks to study the interaction between these defects can be significantly simplified by developing special finite elements, each containing an internal circular/elliptic hole or a slit crack. These finite elements are developed using complex potentials and the conformal mapping technique. The elements developed can be divided into two categories, namely, the semi-analytic-type and hybrid-type elements. The latter element type is an improved version of the former due to the implementation of displacement continuity along the inter-element boundary. All the proposed elements can be easily combined with the conventional displacement elements, such as isoparametric elements, to analyze the above-mentioned problems without using complicated finite element meshes. Numerical examples have been employed to illustrate the modeling of voids/cracks and their interactions. The results obtained using the semi-analytic-type elements are in good agreement with the theoretical results, and the corresponding results obtained using the hybrid-type elements show an improvement of the agreement with the theoretical results. However, the former element type is much easier to construct. © 2002 Elsevier Science Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/tafmecen_HK
dc.relation.ispartofTheoretical and Applied Fracture Mechanicsen_HK
dc.rightsTheoretical and Applied Fracture Mechanics. Copyright © Elsevier BV.en_HK
dc.subjectCircular/elliptical holeen_HK
dc.subjectComplex potentialsen_HK
dc.subjectConformal mappingen_HK
dc.subjectCracken_HK
dc.subjectHybrid elementen_HK
dc.subjectSemi-analytic elementen_HK
dc.titleModeling of voids/cracks and their interactionsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0167-8442&volume=38&issue=1&spage=81&epage=101&date=2002&atitle=Modeling+of+voids/cracks+and+their+interactionsen_HK
dc.identifier.emailSoh, AK:aksoh@hkucc.hku.hken_HK
dc.identifier.authoritySoh, AK=rp00170en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S0167-8442(02)00083-6en_HK
dc.identifier.scopuseid_2-s2.0-0036650996en_HK
dc.identifier.hkuros78568en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0036650996&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume38en_HK
dc.identifier.issue1en_HK
dc.identifier.spage81en_HK
dc.identifier.epage101en_HK
dc.identifier.isiWOS:000177739100007-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridYang, CH=8731219500en_HK
dc.identifier.scopusauthoridSoh, AK=7006795203en_HK

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