Buckling and post-buckling of a composite C-section with cutout and flange reinforcement

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dc.contributor.authorGuo, Shijun J.
dc.contributor.authorLi, Daochun
dc.contributor.authorZhang, Xiang
dc.contributor.authorXiang, Jinwu
dc.date.accessioned2017-01-19T09:34:17Z
dc.date.available2017-01-19T09:34:17Z
dc.date.issued2013-12-31
dc.description.abstractThis paper presents an investigation into the effect of cutout and flange reinforcement on the buckling and post-buckling behaviour of a carbon/epoxy composite C-section structure. The C-section having a cutout in the web is clamped at one end and subjected to a shear load at the other free end. Three different stiffener reinforcements were investigated in finite element analysis by using MSC Nastran. Buckling load was predicted by using both linear and nonlinear FE analysis. Experiments were carried out to validate the numerical model and results. Subsequently post-buckling analysis was carried out by predicting the load–deflection response of the C-section beam in nonlinear analysis. Tsai-Wu failure criterion was used to detect the first-play-failure load. The effect of circular and diamond cutout shape and effective flange reinforcements were investigated. The results show that the cutout and reinforcement have little effect on the buckling stability. However an L-shape stiffener to reinforce the C-section flange can improve the critical failure load by 20.9%.en_UK
dc.identifier.citationGuo S, Li D, Zhang X, Xiang J. (2014) Buckling and post-buckling of a composite C-section with cutout and flange reinforcement. Composites Part B: Engineering, Volume 60, April 2014, pp.119-124en_UK
dc.identifier.cris5767147
dc.identifier.issn1359-8368
dc.identifier.urihttp://dx.doi.org/10.1016/j.compositesb.2013.12.055
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/11304
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.subjectA. Carbon–carbon composites (CCCs)en_UK
dc.subjectA. Discontinuous reinforcementen_UK
dc.subjectB. Bucklingen_UK
dc.subjectPost-bucklingen_UK
dc.titleBuckling and post-buckling of a composite C-section with cutout and flange reinforcementen_UK
dc.typeArticleen_UK

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