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Article: Selective regional refinement procedure for adaptive finite element analysis

TitleSelective regional refinement procedure for adaptive finite element analysis
Authors
KeywordsAutomatic mesh generation
Error estimation
Finite element analysis
Selective regional refinement
Issue Date1998
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/compstruc
Citation
Computers And Structures, 1998, v. 68 n. 4, p. 325-341 How to Cite?
AbstractAn alternative approach to carry out adaptive finite element analysis based on the concept of selective refinement is proposed to enhance the computational efficiency of the adaptive refinement procedure. In this approach only elements that are inside some selected refinement regions will be refined, and all remaining elements will be reused for the next cycle of analysis. The definition of the refinement region can simply be determined from the refinement ratios of the elements which are calculated in the conventional adaptive procedures, and hence the suggested technique can easily be incorporated into any conventional adaptive refinement scheme. Numerical experiments show that by refining elements only within the selected zones, significant saving in CPU time is possible in the mesh generation and the error estimation processes. Furthermore, in comparing with the traditional adaptive refinement procedures, the efficiency of the new scheme is enhanced such that equally high rate of convergence and solution accuracy is maintained using similar degrees of freedom, but at a reduced total CPU time. © 1998 Elsevier Science Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/71762
ISSN
2015 Impact Factor: 2.425
2015 SCImago Journal Rankings: 1.710
References

 

DC FieldValueLanguage
dc.contributor.authorLo, SHen_HK
dc.contributor.authorLee, CKen_HK
dc.date.accessioned2010-09-06T06:34:56Z-
dc.date.available2010-09-06T06:34:56Z-
dc.date.issued1998en_HK
dc.identifier.citationComputers And Structures, 1998, v. 68 n. 4, p. 325-341en_HK
dc.identifier.issn0045-7949en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71762-
dc.description.abstractAn alternative approach to carry out adaptive finite element analysis based on the concept of selective refinement is proposed to enhance the computational efficiency of the adaptive refinement procedure. In this approach only elements that are inside some selected refinement regions will be refined, and all remaining elements will be reused for the next cycle of analysis. The definition of the refinement region can simply be determined from the refinement ratios of the elements which are calculated in the conventional adaptive procedures, and hence the suggested technique can easily be incorporated into any conventional adaptive refinement scheme. Numerical experiments show that by refining elements only within the selected zones, significant saving in CPU time is possible in the mesh generation and the error estimation processes. Furthermore, in comparing with the traditional adaptive refinement procedures, the efficiency of the new scheme is enhanced such that equally high rate of convergence and solution accuracy is maintained using similar degrees of freedom, but at a reduced total CPU time. © 1998 Elsevier Science Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/compstrucen_HK
dc.relation.ispartofComputers and Structuresen_HK
dc.subjectAutomatic mesh generationen_HK
dc.subjectError estimationen_HK
dc.subjectFinite element analysisen_HK
dc.subjectSelective regional refinementen_HK
dc.titleSelective regional refinement procedure for adaptive finite element analysisen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0045-7949&volume=68&spage=325 &epage= 341&date=1998&atitle=Selective+regional+refinement+procedure+for+adaptive+finite+element+analysisen_HK
dc.identifier.emailLo, SH:hreclsh@hkucc.hku.hken_HK
dc.identifier.authorityLo, SH=rp00223en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0032138689en_HK
dc.identifier.hkuros42573en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0032138689&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume68en_HK
dc.identifier.issue4en_HK
dc.identifier.spage325en_HK
dc.identifier.epage341en_HK
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridLo, SH=7401542444en_HK
dc.identifier.scopusauthoridLee, CK=55196886900en_HK

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