Structural optimisation of vertical-axis wind turbine composite blades based on finite element analysis and genetic algorithm

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dc.contributor.authorWang, Lin
dc.contributor.authorKolios, Athanasios
dc.contributor.authorNishino, Takafumi
dc.contributor.authorDelafin, Pierre-Luc
dc.contributor.authorBird, Theodore
dc.date.accessioned2016-07-05T10:59:25Z
dc.date.available2016-07-05T10:59:25Z
dc.date.issued2016-06-02
dc.description.abstractA wind turbine blade generally has complex structures including several layers of composite materials with shear webs, making its structure design very challenging. In this paper, a structural optimisation model for wind turbine composite blades has been developed based on a parametric FEA (finite element analysis) model and a GA (genetic algorithm) model. The optimisation model minimises the mass of composite blades with multi-criteria constraints. The number of unidirectional plies, the locations of the spar cap and the thicknesses of shear webs are taken as design variables. The optimisation model takes account of five constraints, i.e. stress constraint, deformation constraint, vibration constraint, buckling constraint, and manufacturing manoeuvrability and continuity of laminate layups constraint. The model has been applied to the blade structural optimisation of ELECTRA 30 kW wind turbine, which is a novel VAWT (vertical-axis wind turbine) combining sails and V-shape arm. The mass of the optimised blade is 228 kg, which is 17.4% lower than the initial design, indicating the blade mass can be significantly reduced by using the present optimisation model. It is demonstrated that the structural optimisation model presented in this paper is capable of effectively and accurately determining the optimal structural layups of composite blades.en_UK
dc.identifier.citationLin Wang, Athanasios Kolios, Takafumi Nishino, Pierre-Luc Delafin, Theodore Bird, Structural optimisation of vertical-axis wind turbine composite blades based on finite element analysis and genetic algorithm, Composite Structures, Volume 153, 1 October 2016, Pages 123-138en_UK
dc.identifier.issn0263-8223
dc.identifier.urihttp://dx.doi.org/10.1016/j.compstruct.2016.06.003
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/10083
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internationalen_UK
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectVertical-axis wind turbineen_UK
dc.subjectComposite bladeen_UK
dc.subjectStructural optimisationen_UK
dc.subjectFinite element analysisen_UK
dc.subjectGenetic algorithmen_UK
dc.titleStructural optimisation of vertical-axis wind turbine composite blades based on finite element analysis and genetic algorithmen_UK
dc.typeArticleen_UK

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