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

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dc.contributor.author Wang, Lin
dc.contributor.author Kolios, Athanasios
dc.contributor.author Nishino, Takafumi
dc.contributor.author Delafin, Pierre-Luc
dc.contributor.author Bird, Theodore
dc.date.accessioned 2016-07-05T10:59:25Z
dc.date.available 2016-07-05T10:59:25Z
dc.date.issued 2016-06-02
dc.identifier.citation Lin 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 123-138 en_UK
dc.identifier.issn 0263-8223
dc.identifier.uri http://dx.doi.org/10.1016/j.compstruct.2016.06.003
dc.identifier.uri http://dspace.lib.cranfield.ac.uk/handle/1826/10083
dc.description.abstract A 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.language.iso en en_UK
dc.publisher Elsevier en_UK
dc.rights Attribution-NonCommercial-NoDerivatives 4.0 International en_UK
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject Vertical-axis wind turbine en_UK
dc.subject Composite blade en_UK
dc.subject Structural optimisation en_UK
dc.subject Finite element analysis en_UK
dc.subject Genetic algorithm en_UK
dc.title Structural optimisation of vertical-axis wind turbine composite blades based on finite element analysis and genetic algorithm en_UK
dc.type Article en_UK


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