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Elastoplastic and nonlinear analysis of functionally graded axisymmetric shell structures under thermal environment, using a conical frustum finite element model

2019-10Journal article Restricted access
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dc.contributor.authorSimões Moita, José Mateus
dc.contributor.authorMota Soares, Cristovao M.
dc.contributor.authorMota Soares, Carlos A.
dc.contributor.authorFerreira, Antonio J. M.
dc.date.accessioned2020-07-24T10:51:18Z
dc.date.available2020-07-24T10:51:18Z
dc.date.issued2019-10
dc.description.abstractThis work presents the formulation for static bending analysis of functionally graded axisymmetric plate/shell type structures under mechanical loading, and considering different structural behaviours: linear, geometric nonlinear and material nonlinear. The implemented model is based on a simple conical frustum finite element with 2 nodes, and 3 degrees of freedom per node, which includes shear deformation effects, and it shows to be extremely efficient in the analysis of axisymmetric shells subjected to axisymmetric loading. The used of reduced numerical integration procedure is essential for its success when applied to thin shells. The formulation accounts for the calculation of displacements and through-thickness stress distribution. The solutions for some illustrative examples involving variation of volume fractions are obtained, and the results are presented and compared with numerical alternative models when available, and discussed.
dc.description.sponsorshipFCT, PortugalPortuguese Foundation for Science and Technology
dc.description.sponsorshipFundacao para a Ciencia e Tecnologia, through IDMEC, under LAETA [UID/EMS/50022/2019]
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.doi10.1016/j.compstruct.2019.111186
dc.identifier.issn0263-8223
dc.identifier.urihttp://hdl.handle.net/10400.1/14215
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.subjectFgm circular plates
dc.subjectCylindrical-shells
dc.subjectDeformation
dc.subjectPanels
dc.subjectFunctionally graded materials
dc.subjectElastoplasticity
dc.subjectNonlinear analysis
dc.subjectFEM
dc.titleElastoplastic and nonlinear analysis of functionally graded axisymmetric shell structures under thermal environment, using a conical frustum finite element model
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleComposite Structures
oaire.citation.volume226
person.familyNameSimões Moita
person.givenNameJosé Mateus
person.identifier2912639
person.identifier.ciencia-id831C-841D-237A
person.identifier.orcid0000-0003-2529-583X
person.identifier.ridI-7516-2015
person.identifier.scopus-author-id6603404945
rcaap.rightsrestrictedAccess
rcaap.typearticle
relation.isAuthorOfPublicationbb6965e0-4052-435a-9141-7e6ce54db236
relation.isAuthorOfPublication.latestForDiscoverybb6965e0-4052-435a-9141-7e6ce54db236

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