Stress concentration around perforations produced by corrosion in steel storage tanks

Detalhes bibliográficos
Autor(a) principal: Godoy,Luis A.
Data de Publicação: 2014
Outros Autores: Boccardo,Adrián D., Rodríguez,Francisco J., Dardati,Patricia M.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Latin American journal of solids and structures (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-78252014001000008
Resumo: This paper presents numerical results of stress concentration factors for plates perforated by corrosion. Evidence from 25 plates with corrosion perforation considered show that typical shapes may be characterized as a deviation from an ellipse or from a circle. In order to model typical perforations created by this type of corrosion, holes with non-circular boundaries have been considered in the form of cosine shape and variations from it. Two load cases are investigated: uniaxial and shear stress fields in an elastic plane stress problem. The influence of the amplitude of deviation with respect to an ellipse or circle and the local curvature of the internal boundary of the hole are studied. A simplified model of an equivalent ellipse originally proposed by Nishida is shown to provide good estimates for stress concentration factors for a range of shapes induced by corrosion.
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spelling Stress concentration around perforations produced by corrosion in steel storage tanksfinite element analysisoil tankscorrosionsteel tanksstress concentration factorsThis paper presents numerical results of stress concentration factors for plates perforated by corrosion. Evidence from 25 plates with corrosion perforation considered show that typical shapes may be characterized as a deviation from an ellipse or from a circle. In order to model typical perforations created by this type of corrosion, holes with non-circular boundaries have been considered in the form of cosine shape and variations from it. Two load cases are investigated: uniaxial and shear stress fields in an elastic plane stress problem. The influence of the amplitude of deviation with respect to an ellipse or circle and the local curvature of the internal boundary of the hole are studied. A simplified model of an equivalent ellipse originally proposed by Nishida is shown to provide good estimates for stress concentration factors for a range of shapes induced by corrosion.Associação Brasileira de Ciências Mecânicas2014-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-78252014001000008Latin American Journal of Solids and Structures v.11 n.10 2014reponame:Latin American journal of solids and structures (Online)instname:Associação Brasileira de Engenharia e Ciências Mecânicas (ABCM)instacron:ABCM10.1590/S1679-78252014001000008info:eu-repo/semantics/openAccessGodoy,Luis A.Boccardo,Adrián D.Rodríguez,Francisco J.Dardati,Patricia M.eng2014-12-05T00:00:00Zoai:scielo:S1679-78252014001000008Revistahttp://www.scielo.br/scielo.php?script=sci_serial&pid=1679-7825&lng=pt&nrm=isohttps://old.scielo.br/oai/scielo-oai.phpabcm@abcm.org.br||maralves@usp.br1679-78251679-7817opendoar:2014-12-05T00:00Latin American journal of solids and structures (Online) - Associação Brasileira de Engenharia e Ciências Mecânicas (ABCM)false
dc.title.none.fl_str_mv Stress concentration around perforations produced by corrosion in steel storage tanks
title Stress concentration around perforations produced by corrosion in steel storage tanks
spellingShingle Stress concentration around perforations produced by corrosion in steel storage tanks
Godoy,Luis A.
finite element analysis
oil tanks
corrosion
steel tanks
stress concentration factors
title_short Stress concentration around perforations produced by corrosion in steel storage tanks
title_full Stress concentration around perforations produced by corrosion in steel storage tanks
title_fullStr Stress concentration around perforations produced by corrosion in steel storage tanks
title_full_unstemmed Stress concentration around perforations produced by corrosion in steel storage tanks
title_sort Stress concentration around perforations produced by corrosion in steel storage tanks
author Godoy,Luis A.
author_facet Godoy,Luis A.
Boccardo,Adrián D.
Rodríguez,Francisco J.
Dardati,Patricia M.
author_role author
author2 Boccardo,Adrián D.
Rodríguez,Francisco J.
Dardati,Patricia M.
author2_role author
author
author
dc.contributor.author.fl_str_mv Godoy,Luis A.
Boccardo,Adrián D.
Rodríguez,Francisco J.
Dardati,Patricia M.
dc.subject.por.fl_str_mv finite element analysis
oil tanks
corrosion
steel tanks
stress concentration factors
topic finite element analysis
oil tanks
corrosion
steel tanks
stress concentration factors
description This paper presents numerical results of stress concentration factors for plates perforated by corrosion. Evidence from 25 plates with corrosion perforation considered show that typical shapes may be characterized as a deviation from an ellipse or from a circle. In order to model typical perforations created by this type of corrosion, holes with non-circular boundaries have been considered in the form of cosine shape and variations from it. Two load cases are investigated: uniaxial and shear stress fields in an elastic plane stress problem. The influence of the amplitude of deviation with respect to an ellipse or circle and the local curvature of the internal boundary of the hole are studied. A simplified model of an equivalent ellipse originally proposed by Nishida is shown to provide good estimates for stress concentration factors for a range of shapes induced by corrosion.
publishDate 2014
dc.date.none.fl_str_mv 2014-01-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-78252014001000008
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-78252014001000008
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S1679-78252014001000008
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Associação Brasileira de Ciências Mecânicas
publisher.none.fl_str_mv Associação Brasileira de Ciências Mecânicas
dc.source.none.fl_str_mv Latin American Journal of Solids and Structures v.11 n.10 2014
reponame:Latin American journal of solids and structures (Online)
instname:Associação Brasileira de Engenharia e Ciências Mecânicas (ABCM)
instacron:ABCM
instname_str Associação Brasileira de Engenharia e Ciências Mecânicas (ABCM)
instacron_str ABCM
institution ABCM
reponame_str Latin American journal of solids and structures (Online)
collection Latin American journal of solids and structures (Online)
repository.name.fl_str_mv Latin American journal of solids and structures (Online) - Associação Brasileira de Engenharia e Ciências Mecânicas (ABCM)
repository.mail.fl_str_mv abcm@abcm.org.br||maralves@usp.br
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