Fluid structure interaction modelling of horizontal-axis wind turbine blades based on CFD and FEA

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dc.contributor.authorWang, Lin
dc.contributor.authorQuant, Robin
dc.contributor.authorKolios, Athanasios
dc.date.accessioned2016-10-18T13:51:45Z
dc.date.available2016-10-18T13:51:45Z
dc.date.issued2016-09-17
dc.description.abstractThe increasing size and flexibility of large wind turbine blades introduces considerable aeroelastic effects, which are caused by FSI (fluid structure interaction). These effects might result in aeroelastic instability problems, such as edgewise instability and flutter, which can be devastating to the blades and the wind turbine. Therefore, accurate FSI modelling of wind turbine blades is crucial in the development of large wind turbines. In this study, an FSI model for wind turbine blades at full scale is established. The aerodynamic loads are calculated using a CFD (computational fluid dynamics) model implemented in ANSYS FLUENT, and the blade structural responses are determined using a FEA (finite element analysis) model implemented in ANSYS Static Structural module. The interface of CFD and FEA is based on a one-way coupling, in which aerodynamic loads calculated from CFD modelling are mapped to FEA modelling as load boundary conditions. Validated by a series of benchmark computational tests, the one-way FSI model was applied to the modelling of WindPACT 1.5 MW wind turbine blade, a representative large-scale horizontal-axis wind turbine blade. Five operational conditions are assessed, with the worst case found to be near the rated wind speed. Maximum tensile/compressive stresses and tip deflections in each case are found to be within material and structural limits, according to relevant design standards.en_UK
dc.identifier.citationWang L, Quant R, Kolios A. (2016) Fluid structure interaction modelling of horizontal-axis wind turbine blades based on CFD and FEA. Journal of Wind Engineering and Industrial Aerodynamics, Volume 158, November 2016, pp. 11-25en_UK
dc.identifier.isbnhttp://dx.doi.org/10.1016/j.jweia.2016.09.006
dc.identifier.issn0167-6105
dc.identifier.urihttps://doi.org/10.1016/j.jweia.2016.09.006
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/10773
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.subjectWind turbine bladeen_UK
dc.subjectAeroelasticityen_UK
dc.subjectFSI (fluid structure interaction)en_UK
dc.subjectCFD (computational fluid dynamics)en_UK
dc.subjectWindPACTen_UK
dc.titleFluid structure interaction modelling of horizontal-axis wind turbine blades based on CFD and FEAen_UK
dc.typeArticleen_UK

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