Treed gaussian process for manufacturing imperfection identification of pultruded GFRP thin-walled profile

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dc.contributor.authorCivera, Marco
dc.contributor.authorBoscato, Giosuè
dc.contributor.authorFragonara, Luca Zanotti
dc.date.accessioned2021-01-12T11:07:37Z
dc.date.available2021-01-12T11:07:37Z
dc.date.issued2020-08-28
dc.description.abstractThe process of manufacturing pultruded FRP (Fiber Reinforced Polymers) profiles involves unavoidable imperfections that affect their structural performances. This is is even more relevant for the stability of axially loaded slender elements, due to the importance of imperfections and notches to initiate the buckling phenomenon. Thus, they become a predominant factor for the design of lightweight FRP beam-like structures. A Bayesian approach is proposed to estimate the presence and location of manufacturing imperfections in pultruded GFRPs (Glass Fiber Reinforced Polymers) profiles. Specifically, the Treed Gaussian Process (TGP) procedure is applied. This approach combines regression Gaussian Processes (GP) and Bayesian-based Recursive Partitioning. The experimental and numerical modal shapes of wide flange pultruded profile were investigated. The experimental data were compared with the numerical results of several Finite Element Models (FEM) characterised by different crack sizesen_UK
dc.identifier.citationCivera M, Boscato G, Zanotti Fragonara L. (2020) Treed gaussian process for manufacturing imperfection identification of pultruded GFRP thin-walled profile. Composite Structures, Volume 254, December 2020, Article number 122882en_UK
dc.identifier.cris28018764
dc.identifier.issn0263-8223
dc.identifier.urihttps://doi.org/10.1016/j.compstruct.2020.112882
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/16155
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectFinite element modelen_UK
dc.subjectBayesian-based recursive partitioningen_UK
dc.subjectTreed Gaussian Process (TGP)en_UK
dc.subjectModal analysisen_UK
dc.subjectManufacturing imperfection identificationen_UK
dc.subjectPultruded GFRP profileen_UK
dc.titleTreed gaussian process for manufacturing imperfection identification of pultruded GFRP thin-walled profileen_UK
dc.typeArticleen_UK

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