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Article: On using different recovery procedures for the construction of smoothed stress in finite element method
Title | On using different recovery procedures for the construction of smoothed stress in finite element method |
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Authors | |
Keywords | Equilibrium and boundary constraints Recovery by equilibrium in patches Stress recovery Superconvergent patch recovery technique |
Issue Date | 1998 |
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, 1998, v. 43 n. 7, p. 1223-1252 How to Cite? |
Abstract | The performance of three different stress recovery procedures, namely, the superconvergent patch recovery technique (SPR), the recovery by equilibrium in patches (REP) and a combined method known as the LP procedure is reviewed. Different order of polynomials and various patch formation strategies have been employed in the numerical studies for the construction of smoothed stress fields. Two 2-D elastostatic problems of different characteristics are used to assess the behaviour of the stress recovery procedures. The numerical results obtained indicate that when the order of polynomial used in the recovery procedure is equal to that of the finite element analysis, the behaviours of all three recovery procedures are very similar and all of them are adequate to provide a reliable recovered stress field for error estimation. In case that the order of polynomial of the recovered stress is increased, the LP procedure seems to give a more stable recovery matrix and a more reliable recovered stress field than the REP procedure. © 1998 John Wiley & Sons, Ltd. |
Persistent Identifier | http://hdl.handle.net/10722/71189 |
ISSN | 2021 Impact Factor: 3.021 2020 SCImago Journal Rankings: 1.421 |
References |
DC Field | Value | Language |
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dc.contributor.author | Lo, SH | en_HK |
dc.contributor.author | Lee, CK | en_HK |
dc.date.accessioned | 2010-09-06T06:29:44Z | - |
dc.date.available | 2010-09-06T06:29:44Z | - |
dc.date.issued | 1998 | en_HK |
dc.identifier.citation | International Journal For Numerical Methods In Engineering, 1998, v. 43 n. 7, p. 1223-1252 | en_HK |
dc.identifier.issn | 0029-5981 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/71189 | - |
dc.description.abstract | The performance of three different stress recovery procedures, namely, the superconvergent patch recovery technique (SPR), the recovery by equilibrium in patches (REP) and a combined method known as the LP procedure is reviewed. Different order of polynomials and various patch formation strategies have been employed in the numerical studies for the construction of smoothed stress fields. Two 2-D elastostatic problems of different characteristics are used to assess the behaviour of the stress recovery procedures. The numerical results obtained indicate that when the order of polynomial used in the recovery procedure is equal to that of the finite element analysis, the behaviours of all three recovery procedures are very similar and all of them are adequate to provide a reliable recovered stress field for error estimation. In case that the order of polynomial of the recovered stress is increased, the LP procedure seems to give a more stable recovery matrix and a more reliable recovered stress field than the REP procedure. © 1998 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 | Equilibrium and boundary constraints | en_HK |
dc.subject | Recovery by equilibrium in patches | en_HK |
dc.subject | Stress recovery | en_HK |
dc.subject | Superconvergent patch recovery technique | en_HK |
dc.title | On using different recovery procedures for the construction of smoothed stress in finite element method | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0029-5981&volume=43&spage=1223 &epage= 1252&date=1998&atitle=On+using+different+recovery+procedures+for+the+construction+of+smoothed+stress+in+finite+element+method | en_HK |
dc.identifier.email | Lo, SH:hreclsh@hkucc.hku.hk | en_HK |
dc.identifier.authority | Lo, SH=rp00223 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.scopus | eid_2-s2.0-0032302147 | en_HK |
dc.identifier.hkuros | 42581 | en_HK |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0032302147&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 43 | en_HK |
dc.identifier.issue | 7 | en_HK |
dc.identifier.spage | 1223 | en_HK |
dc.identifier.epage | 1252 | en_HK |
dc.publisher.place | United Kingdom | en_HK |
dc.identifier.scopusauthorid | Lo, SH=7401542444 | en_HK |
dc.identifier.scopusauthorid | Lee, CK=7410141092 | en_HK |
dc.identifier.issnl | 0029-5981 | - |