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Evaluation study of a Navier-Stokes CFD aeroelastic model of wind turbine airfoils in classical flutter

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dc.contributor.author Baxevanou, CA en
dc.contributor.author Chaviaropoulos, PK en
dc.contributor.author Voutsinas, SG en
dc.contributor.author Vlachos, NS en
dc.date.accessioned 2014-03-01T01:28:21Z
dc.date.available 2014-03-01T01:28:21Z
dc.date.issued 2008 en
dc.identifier.issn 0167-6105 en
dc.identifier.uri http://hdl.handle.net/123456789/18811
dc.subject Aeroelasticity en
dc.subject CFD en
dc.subject Classical flutter en
dc.subject Stability en
dc.subject Wind turbine blades en
dc.subject.classification Engineering, Civil en
dc.subject.classification Mechanics en
dc.subject.other Aerodynamics en
dc.subject.other Computational fluid dynamics en
dc.subject.other Damping en
dc.subject.other Flutter (aerodynamics) en
dc.subject.other Navier Stokes equations en
dc.subject.other Turbulence models en
dc.subject.other Elastic model en
dc.subject.other Modal damping en
dc.subject.other Airfoils en
dc.subject.other Aerodynamics en
dc.subject.other Airfoils en
dc.subject.other Computational fluid dynamics en
dc.subject.other Damping en
dc.subject.other Flutter (aerodynamics) en
dc.subject.other Navier Stokes equations en
dc.subject.other Turbulence models en
dc.title Evaluation study of a Navier-Stokes CFD aeroelastic model of wind turbine airfoils in classical flutter en
heal.type journalArticle en
heal.identifier.primary 10.1016/j.jweia.2008.03.009 en
heal.identifier.secondary http://dx.doi.org/10.1016/j.jweia.2008.03.009 en
heal.language English en
heal.publicationDate 2008 en
heal.abstract This paper describes a new aeroelastic numerical model, which combines a Navier-Stokes CFD solver with an elastic model and two coupling schemes for the study of the aeroelastic behaviour of wind turbine blades undergoing classical flutter. The basic characteristics of the aerodynamic and elastic models are presented together with the coupling schemes. The present model is evaluated by comparing with previous numerical results and the corresponding linear analytical solutions. Consequently a, parametric study is carried out. Conclusions are drawn about the ability of the model to handle the aeroelastic behaviour of an airfoil and about the most appropriate coupling scheme in terms of predicting the modal damping and the flutter limiting point. The present study shows that the predictions are only slightly affected by the coupling or the space discretization scheme and mainly by the turbulence model used. (C) 2008 Elsevier Ltd. All rights reserved. en
heal.publisher ELSEVIER SCIENCE BV en
heal.journalName Journal of Wind Engineering and Industrial Aerodynamics en
dc.identifier.doi 10.1016/j.jweia.2008.03.009 en
dc.identifier.isi ISI:000257406800012 en
dc.identifier.volume 96 en
dc.identifier.issue 8-9 en
dc.identifier.spage 1425 en
dc.identifier.epage 1443 en


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