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Fully coupled thermomechanical analysis of multilayered plates with embedded FGM skins or core layers using a layerwise mixed model

2019Journal article Restricted access
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dc.contributor.authorMoleiro, F.
dc.contributor.authorM.Franco Correia, V.
dc.contributor.authorFerreira, A.J.M.
dc.contributor.authorReddy, J.N.
dc.date.accessioned2025-03-24T16:49:26Z
dc.date.available2025-03-24T16:49:26Z
dc.date.issued2019
dc.description.abstractThis work presents a new layerwise mixed model for the fully coupled thermo-mechanical static analysis of multilayered plates with embedded functionally graded material (FGM) layers, either skins or core layers, under thermal and/or mechanical loads. This model is able to fully describe a two-constituent metal-ceramic FGM layer z-continuous effective properties through-thickness, using any given homogenization method, and is here extended to the fully coupled thermo-mechanical analysis. It is based on a mixed least-squares formulation with a layerwise variable description for displacements, transverse stresses and in-plane strains, along with temperature, transverse heat flux and in-plane components of the thermal gradient, taken as independent variables. This mixed formulation ensures that the interlaminar continuity requirements, where the material properties may actually change, are fully fulfilled a priori by all chosen independent variables. The numerical results consider single-layer and multilayered plates with different side-to-thickness ratios, under thermal or mechanical loads, using mainly Mori-Tanaka estimate for the FGM effective properties with different material gradation profiles. The results are assessed by comparison with three-dimensional (3D) exact solutions, and demonstrate the model capability to predict a highly accurate quasi-3D thermo-mechanical description of the through-thickness distributions of displacements and stresses, as well as temperature and heat flux.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMoleiro, F., Correia, V. F., Ferreira, A. J. M., & Reddy, J. N. (2019). Fully coupled thermo-mechanical analysis of multilayered plates with embedded FGM skins or core layers using a layerwise mixed model. Composite Structures, 210, 971-996.
dc.identifier.doihttps://doi.org/10.1016/j.compstruct.2018.11.073pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.26/57409
dc.language.isoengpt_PT
dc.peerreviewedyes
dc.publisherElsevierpt_PT
dc.relation.hasversionhttps://www.sciencedirect.com/science/article/pii/S0263822318335001?via%3Dihub
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectMultilayered platespt_PT
dc.subjectFunctionally graded material layerspt_PT
dc.subjectThermo-mechanical couplingpt_PT
dc.subjectLayerwise mixed modelpt_PT
dc.subjectThermal loadspt_PT
dc.subjectMechanical loadspt_PT
dc.titleFully coupled thermomechanical analysis of multilayered plates with embedded FGM skins or core layers using a layerwise mixed modelpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage996pt_PT
oaire.citation.startPage971pt_PT
oaire.citation.titleComposite Structurespt_PT
oaire.citation.volume210pt_PT
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT

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