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Article: Refined non-conforming triangular elements for analysis of shell structures
Title | Refined non-conforming triangular elements for analysis of shell structures |
---|---|
Authors | |
Keywords | Continuity requirement at the inter-element Drilling degrees of freedom Refined triangular thin flat shell element |
Issue Date | 1999 |
Publisher | John Wiley & Sons Ltd. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/1430 |
Citation | International Journal For Numerical Methods In Engineering, 1999, v. 46 n. 3, p. 433-455 How to Cite? |
Abstract | Based on the refined non-conforming element method, simple flat triangular elements with standard nodal displacement parameters are proposed for the analysis of shell structures. For ensuring the convergence of the elements a new coupled continuity condition at the inter-element has been established in a weaker form. A common displacement for the inter-element, an explicit expression of refined constant strain matrix, and an adjustable constant are introduced into the formulation, in which the coupled continuity requirement at the inter-element is satisfied in the average sense. The non-conforming displacement function of the well-known triangular plate element BCIZ [1] and the membrane displacement of the constant strain triangular element CST [2] are employed to derive the refined flat shell elements RTS15, and the refined flat shell elements RTS18 is derived by using the element BCIZ and the Allman's triangular plane element [3] with the drilling degrees of freedom. A simple reduced higher-order membrane strain matrix is proposed to avoid membrane locking of the element RTS18. An alternative new reduced higher-order strain matrix method is developed to improve the accuracy of the elements RTS15 and RTS18. Numerical examples are given to show that the present methods have improved the accuracy of the shell analysis. Copyright © 1999 John Wiley & Sons, Ltd. |
Persistent Identifier | http://hdl.handle.net/10722/70770 |
ISSN | 2023 Impact Factor: 2.7 2023 SCImago Journal Rankings: 1.019 |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Wanji, C | en_HK |
dc.contributor.author | Cheung, YK | en_HK |
dc.date.accessioned | 2010-09-06T06:25:58Z | - |
dc.date.available | 2010-09-06T06:25:58Z | - |
dc.date.issued | 1999 | en_HK |
dc.identifier.citation | International Journal For Numerical Methods In Engineering, 1999, v. 46 n. 3, p. 433-455 | en_HK |
dc.identifier.issn | 0029-5981 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/70770 | - |
dc.description.abstract | Based on the refined non-conforming element method, simple flat triangular elements with standard nodal displacement parameters are proposed for the analysis of shell structures. For ensuring the convergence of the elements a new coupled continuity condition at the inter-element has been established in a weaker form. A common displacement for the inter-element, an explicit expression of refined constant strain matrix, and an adjustable constant are introduced into the formulation, in which the coupled continuity requirement at the inter-element is satisfied in the average sense. The non-conforming displacement function of the well-known triangular plate element BCIZ [1] and the membrane displacement of the constant strain triangular element CST [2] are employed to derive the refined flat shell elements RTS15, and the refined flat shell elements RTS18 is derived by using the element BCIZ and the Allman's triangular plane element [3] with the drilling degrees of freedom. A simple reduced higher-order membrane strain matrix is proposed to avoid membrane locking of the element RTS18. An alternative new reduced higher-order strain matrix method is developed to improve the accuracy of the elements RTS15 and RTS18. Numerical examples are given to show that the present methods have improved the accuracy of the shell analysis. Copyright © 1999 John Wiley & Sons, Ltd. | en_HK |
dc.language | eng | en_HK |
dc.publisher | John Wiley & Sons Ltd. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/1430 | en_HK |
dc.relation.ispartof | International Journal for Numerical Methods in Engineering | en_HK |
dc.rights | International Journal for Numerical Methods in Engineering. Copyright © John Wiley & Sons Ltd. | en_HK |
dc.subject | Continuity requirement at the inter-element | en_HK |
dc.subject | Drilling degrees of freedom | en_HK |
dc.subject | Refined triangular thin flat shell element | en_HK |
dc.title | Refined non-conforming triangular elements for analysis of shell structures | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0029-5981&volume=46&spage=433 &epage= 455&date=1999&atitle=Refined+non-conforming+triangular+elements+for+analysis+of+shell+structures | en_HK |
dc.identifier.email | Cheung, YK:hreccyk@hkucc.hku.hk | en_HK |
dc.identifier.authority | Cheung, YK=rp00104 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.scopus | eid_2-s2.0-0032682368 | en_HK |
dc.identifier.hkuros | 49429 | en_HK |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0032682368&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 46 | en_HK |
dc.identifier.issue | 3 | en_HK |
dc.identifier.spage | 433 | en_HK |
dc.identifier.epage | 455 | en_HK |
dc.publisher.place | United Kingdom | en_HK |
dc.identifier.scopusauthorid | Wanji, C=6701386210 | en_HK |
dc.identifier.scopusauthorid | Cheung, YK=7202111065 | en_HK |
dc.identifier.issnl | 0029-5981 | - |