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Article: On the compatibility conditions for modeling tubular joints using different types of elements

TitleOn the compatibility conditions for modeling tubular joints using different types of elements
Authors
Issue Date1997
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/compstruc
Citation
Computers And Structures, 1997, v. 62 n. 5, p. 935-942 How to Cite?
AbstractIt has been a common practice to model an offshore tubular joint using three-dimensional brick elements for the brace/chord intersection region, including the weldment, and shell elements for the rest of the joint, instead of using only three-dimensional brick elements. This is to ensure that the model size is manageable for performing parametric studies. However, it is an extremely tedious procedure to implement the necessary and sufficient compatibility conditions at all nodes lying on the interface between brick and shell elements. An investigation has been carried out to examine the effects of partial relaxation of compatibility conditions on the location and magnitude of hot spot stresses at the brace/chord intersection. Results obtained have shown that, as long as the compatibility conditions at the shell loof nodes were implemented, the hot spot stresses obtained would be reasonably accurate. It was also found that using three or more rows of brick elements after the weld toe will ensure better accuracy of results. Copyright © 1996 Published by Elsevier Science Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/75802
ISSN
2015 Impact Factor: 2.425
2015 SCImago Journal Rankings: 1.710
References

 

DC FieldValueLanguage
dc.contributor.authorSoh, AKen_HK
dc.contributor.authorSoh, CKen_HK
dc.contributor.authorPey, LPen_HK
dc.date.accessioned2010-09-06T07:14:42Z-
dc.date.available2010-09-06T07:14:42Z-
dc.date.issued1997en_HK
dc.identifier.citationComputers And Structures, 1997, v. 62 n. 5, p. 935-942en_HK
dc.identifier.issn0045-7949en_HK
dc.identifier.urihttp://hdl.handle.net/10722/75802-
dc.description.abstractIt has been a common practice to model an offshore tubular joint using three-dimensional brick elements for the brace/chord intersection region, including the weldment, and shell elements for the rest of the joint, instead of using only three-dimensional brick elements. This is to ensure that the model size is manageable for performing parametric studies. However, it is an extremely tedious procedure to implement the necessary and sufficient compatibility conditions at all nodes lying on the interface between brick and shell elements. An investigation has been carried out to examine the effects of partial relaxation of compatibility conditions on the location and magnitude of hot spot stresses at the brace/chord intersection. Results obtained have shown that, as long as the compatibility conditions at the shell loof nodes were implemented, the hot spot stresses obtained would be reasonably accurate. It was also found that using three or more rows of brick elements after the weld toe will ensure better accuracy of results. Copyright © 1996 Published by Elsevier Science Ltd.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.titleOn the compatibility conditions for modeling tubular joints using different types of elementsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0045-7949&volume=62&spage=935&epage=941&date=1996&atitle=On+the+compatibility+conditions+for+modeling+tubular+joints+using+different+types+of+elementsen_HK
dc.identifier.emailSoh, AK:aksoh@hkucc.hku.hken_HK
dc.identifier.authoritySoh, AK=rp00170en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0031101353en_HK
dc.identifier.hkuros23543en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031101353&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume62en_HK
dc.identifier.issue5en_HK
dc.identifier.spage935en_HK
dc.identifier.epage942en_HK
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridSoh, AK=7006795203en_HK
dc.identifier.scopusauthoridSoh, CK=7102818722en_HK
dc.identifier.scopusauthoridPey, LP=6507639210en_HK

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