Constructal design of perforated steel plates subject to linear elastic and nonlinear elastoplastic buckling

Detalhes bibliográficos
Autor(a) principal: Helbig, Daniel
Data de Publicação: 2013
Outros Autores: Real, Mauro de Vasconcellos, Correia, Anderson Luis Garcia, Santos, Elizaldo Domingues dos, Isoldi, Liércio André
Tipo de documento: Artigo de conferência
Idioma: eng
Título da fonte: Repositório Institucional da FURG (RI FURG)
Texto Completo: http://repositorio.furg.br/handle/1/5018
Resumo: Steel plates are used in a great variety of engineering applications, such as deck and bottom of ship structures, and platforms of offshore structures. Cutouts are often provided in plate elements for inspection, maintenance, and service purposes. So, the design of shape and size of these holes is significant. Usually these plates are subjected to axial compressive forces which make them prone to instability or buckling. If the plate is slender, the buckling is elastic. However, if the plate is sturdy, it buckles in the plastic range causing the so-called inelastic (or elasto-plastic) buckling.Therefore, the goal of this work is to obtain the optimal geometry which maximizes the buckling load for steel plates with a centered elliptical perforation when subjected to linear and nonlinear buckling phenomenon by means of Constructal Design. To do so, numerical models were developed in ANSYS software to evaluate the elastic and elasto-plastic buckling loads of simply supported and uniaxially loaded rectangular plates with elliptical cutouts. The results indicated that the optimal shapes were obtained in accordance with the Constructal Principle of "Optimal Distribution of Imperfections", showing that the Constructal Design method can be satisfactorily employed in mechanic of materials problems.
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spelling Constructal design of perforated steel plates subject to linear elastic and nonlinear elastoplastic bucklingConstructal designPerforated steel platesLinear elastic bucklingNonlinear elasto-plastic bucklingNumerical simulationSteel plates are used in a great variety of engineering applications, such as deck and bottom of ship structures, and platforms of offshore structures. Cutouts are often provided in plate elements for inspection, maintenance, and service purposes. So, the design of shape and size of these holes is significant. Usually these plates are subjected to axial compressive forces which make them prone to instability or buckling. If the plate is slender, the buckling is elastic. However, if the plate is sturdy, it buckles in the plastic range causing the so-called inelastic (or elasto-plastic) buckling.Therefore, the goal of this work is to obtain the optimal geometry which maximizes the buckling load for steel plates with a centered elliptical perforation when subjected to linear and nonlinear buckling phenomenon by means of Constructal Design. To do so, numerical models were developed in ANSYS software to evaluate the elastic and elasto-plastic buckling loads of simply supported and uniaxially loaded rectangular plates with elliptical cutouts. The results indicated that the optimal shapes were obtained in accordance with the Constructal Principle of "Optimal Distribution of Imperfections", showing that the Constructal Design method can be satisfactorily employed in mechanic of materials problems.2015-06-10T18:27:52Z2015-06-10T18:27:52Z2013info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObjectapplication/pdfHELBIG, Daniel et al. Constructal design of perforated steel plates subject to linear elastic and nonlinear elastoplastic buckling. In: IBERIAN LATIN-AMERICAN CONGRESS ON COMPUTATIONAL METHODS IN ENGINEERING, 34., 2013, Pirenópolis. Anais… Pirenópolis: Associação Brasileira de Métodos Computacionais em Engenharia - ABMEC, 2013. Disponível em: <http://www.swge.inf.br/sitecilamce2013/cd/PDFS/CILAMCE2013-0160.PDF>. Acesso em: 10 jun. 2015.http://repositorio.furg.br/handle/1/5018engHelbig, DanielReal, Mauro de VasconcellosCorreia, Anderson Luis GarciaSantos, Elizaldo Domingues dosIsoldi, Liércio Andréinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da FURG (RI FURG)instname:Universidade Federal do Rio Grande (FURG)instacron:FURG2015-06-10T18:27:52Zoai:repositorio.furg.br:1/5018Repositório InstitucionalPUBhttps://repositorio.furg.br/oai/request || http://200.19.254.174/oai/requestopendoar:2015-06-10T18:27:52Repositório Institucional da FURG (RI FURG) - Universidade Federal do Rio Grande (FURG)false
dc.title.none.fl_str_mv Constructal design of perforated steel plates subject to linear elastic and nonlinear elastoplastic buckling
title Constructal design of perforated steel plates subject to linear elastic and nonlinear elastoplastic buckling
spellingShingle Constructal design of perforated steel plates subject to linear elastic and nonlinear elastoplastic buckling
Helbig, Daniel
Constructal design
Perforated steel plates
Linear elastic buckling
Nonlinear elasto-plastic buckling
Numerical simulation
title_short Constructal design of perforated steel plates subject to linear elastic and nonlinear elastoplastic buckling
title_full Constructal design of perforated steel plates subject to linear elastic and nonlinear elastoplastic buckling
title_fullStr Constructal design of perforated steel plates subject to linear elastic and nonlinear elastoplastic buckling
title_full_unstemmed Constructal design of perforated steel plates subject to linear elastic and nonlinear elastoplastic buckling
title_sort Constructal design of perforated steel plates subject to linear elastic and nonlinear elastoplastic buckling
author Helbig, Daniel
author_facet Helbig, Daniel
Real, Mauro de Vasconcellos
Correia, Anderson Luis Garcia
Santos, Elizaldo Domingues dos
Isoldi, Liércio André
author_role author
author2 Real, Mauro de Vasconcellos
Correia, Anderson Luis Garcia
Santos, Elizaldo Domingues dos
Isoldi, Liércio André
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Helbig, Daniel
Real, Mauro de Vasconcellos
Correia, Anderson Luis Garcia
Santos, Elizaldo Domingues dos
Isoldi, Liércio André
dc.subject.por.fl_str_mv Constructal design
Perforated steel plates
Linear elastic buckling
Nonlinear elasto-plastic buckling
Numerical simulation
topic Constructal design
Perforated steel plates
Linear elastic buckling
Nonlinear elasto-plastic buckling
Numerical simulation
description Steel plates are used in a great variety of engineering applications, such as deck and bottom of ship structures, and platforms of offshore structures. Cutouts are often provided in plate elements for inspection, maintenance, and service purposes. So, the design of shape and size of these holes is significant. Usually these plates are subjected to axial compressive forces which make them prone to instability or buckling. If the plate is slender, the buckling is elastic. However, if the plate is sturdy, it buckles in the plastic range causing the so-called inelastic (or elasto-plastic) buckling.Therefore, the goal of this work is to obtain the optimal geometry which maximizes the buckling load for steel plates with a centered elliptical perforation when subjected to linear and nonlinear buckling phenomenon by means of Constructal Design. To do so, numerical models were developed in ANSYS software to evaluate the elastic and elasto-plastic buckling loads of simply supported and uniaxially loaded rectangular plates with elliptical cutouts. The results indicated that the optimal shapes were obtained in accordance with the Constructal Principle of "Optimal Distribution of Imperfections", showing that the Constructal Design method can be satisfactorily employed in mechanic of materials problems.
publishDate 2013
dc.date.none.fl_str_mv 2013
2015-06-10T18:27:52Z
2015-06-10T18:27:52Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/conferenceObject
format conferenceObject
status_str publishedVersion
dc.identifier.uri.fl_str_mv HELBIG, Daniel et al. Constructal design of perforated steel plates subject to linear elastic and nonlinear elastoplastic buckling. In: IBERIAN LATIN-AMERICAN CONGRESS ON COMPUTATIONAL METHODS IN ENGINEERING, 34., 2013, Pirenópolis. Anais… Pirenópolis: Associação Brasileira de Métodos Computacionais em Engenharia - ABMEC, 2013. Disponível em: <http://www.swge.inf.br/sitecilamce2013/cd/PDFS/CILAMCE2013-0160.PDF>. Acesso em: 10 jun. 2015.
http://repositorio.furg.br/handle/1/5018
identifier_str_mv HELBIG, Daniel et al. Constructal design of perforated steel plates subject to linear elastic and nonlinear elastoplastic buckling. In: IBERIAN LATIN-AMERICAN CONGRESS ON COMPUTATIONAL METHODS IN ENGINEERING, 34., 2013, Pirenópolis. Anais… Pirenópolis: Associação Brasileira de Métodos Computacionais em Engenharia - ABMEC, 2013. Disponível em: <http://www.swge.inf.br/sitecilamce2013/cd/PDFS/CILAMCE2013-0160.PDF>. Acesso em: 10 jun. 2015.
url http://repositorio.furg.br/handle/1/5018
dc.language.iso.fl_str_mv eng
language eng
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instname:Universidade Federal do Rio Grande (FURG)
instacron:FURG
instname_str Universidade Federal do Rio Grande (FURG)
instacron_str FURG
institution FURG
reponame_str Repositório Institucional da FURG (RI FURG)
collection Repositório Institucional da FURG (RI FURG)
repository.name.fl_str_mv Repositório Institucional da FURG (RI FURG) - Universidade Federal do Rio Grande (FURG)
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