Aeroelastic tailoring using lamination parameters |
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Authors: | Glenn A A Thuwis Roeland De Breuker Mostafa M Abdalla Zafer Gürdal |
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Affiliation: | 1. Faculty of Aerospace Engineering, TU Delft, Kluyverweg 1, 2629, HS Delft, The Netherlands
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Abstract: | The aim of the present work is to passively reduce the induced drag of the rear wing of a Formula One car at high velocity
through aeroelastic tailoring. The angle-of-attack of the rear wing is fixed and is determined by the required downforce needed
to get around a turn. As a result, at higher velocity, the amount of downforce and related induced drag increases. The maximum
speed on a straight part is thus reduced due to the increase in induced drag. A fibre reinforced composite torsion box with
extension-shear coupled upper and lower skins is used leading to bending-torsion coupling. Three-dimensional static aeroelastic
analysis is performed loosely coupling the Finite Element code Nastran and the Computational Fluid Dynamics panel code VSAERO
using ModelCenter. A wing representative of Formula One rear wings is optimised for minimum induced drag using a response
surface methodology. Results indicate that a substantial induced drag reduction is achievable while maintaining the desired
downforce during low speed turns. |
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