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Article: Equivalence of finite elements and analogous frame modules for shear/core wall analysis

TitleEquivalence of finite elements and analogous frame modules for shear/core wall analysis
Authors
Issue Date1995
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/compstruc
Citation
Computers And Structures, 1995, v. 57 n. 2, p. 193-203 How to Cite?
AbstractTall shear/core wall buildings may be analysed by the finite element method or the frame method. However, actual applications of these methods are not straightforward. For the finite element method, many lower order elements are found to be subjected to parasitic shear, which greatly stiffens the elements in their response to bending. On the other hand, the conventional frame method is afflicted by parasitic moment, which causes artificial flexure of the wall elements and thereby softens their response to shear. Various techniques, e.g. reduced integration, addition of bubble function and strain function formulation etc., have been used to eliminate parasitic shear, and several alternative analogous frame modules have been developed to overcome the parasitic moment problem. In this paper, it is shown that the various four-noded rectangular finite elements with parasitic shear removed and the analogous frame modules for dealing with parasitic moment are actually all equivalent to each other, though they look very different. Hence, the two separate methods are unified. Some important points on their applications are also discussed. © 1995.
Persistent Identifierhttp://hdl.handle.net/10722/150060
ISSN
2015 Impact Factor: 2.425
2015 SCImago Journal Rankings: 1.710

 

DC FieldValueLanguage
dc.contributor.authorKwan, AKHen_US
dc.date.accessioned2012-06-26T06:01:20Z-
dc.date.available2012-06-26T06:01:20Z-
dc.date.issued1995en_US
dc.identifier.citationComputers And Structures, 1995, v. 57 n. 2, p. 193-203en_US
dc.identifier.issn0045-7949en_US
dc.identifier.urihttp://hdl.handle.net/10722/150060-
dc.description.abstractTall shear/core wall buildings may be analysed by the finite element method or the frame method. However, actual applications of these methods are not straightforward. For the finite element method, many lower order elements are found to be subjected to parasitic shear, which greatly stiffens the elements in their response to bending. On the other hand, the conventional frame method is afflicted by parasitic moment, which causes artificial flexure of the wall elements and thereby softens their response to shear. Various techniques, e.g. reduced integration, addition of bubble function and strain function formulation etc., have been used to eliminate parasitic shear, and several alternative analogous frame modules have been developed to overcome the parasitic moment problem. In this paper, it is shown that the various four-noded rectangular finite elements with parasitic shear removed and the analogous frame modules for dealing with parasitic moment are actually all equivalent to each other, though they look very different. Hence, the two separate methods are unified. Some important points on their applications are also discussed. © 1995.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/compstrucen_US
dc.relation.ispartofComputers and Structuresen_US
dc.titleEquivalence of finite elements and analogous frame modules for shear/core wall analysisen_US
dc.typeArticleen_US
dc.identifier.emailKwan, AKH:khkwan@hkucc.hku.hken_US
dc.identifier.authorityKwan, AKH=rp00127en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0029394618en_US
dc.identifier.volume57en_US
dc.identifier.issue2en_US
dc.identifier.spage193en_US
dc.identifier.epage203en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridKwan, AKH=7101738204en_US

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