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Flutter analysis of a morphing wing technology demonstrator : numerical simulation and wind tunnel testing

Koreanschi, A; Henia, MB; Guillemette, O; Michaud, F; Tondji, Y; Sugar-Gabor, O; Botez, RM; Flores salinas, M

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Authors

A Koreanschi

MB Henia

O Guillemette

F Michaud

Y Tondji

RM Botez

M Flores salinas



Abstract

As part of a morphing wing technology project, the flutter analysis of two finite element models and the experimental results of a morphing wing demonstrator equipped with aileron are presented. The finite element models are representing a wing section situated at the tip of the wing; the first model corresponds to a traditional aluminium upper surface skin of constant thickness and the second model corresponds to a composite optimized upper surface skin for morphing capabilities. The two models were analyzed for flutter occurrence and effects on the aeroelastic behaviour of the wing were studied by replacing the aluminium upper surface skin of the wing with a specially developed composite version. The morphing wing model with composite upper surface was manufactured and fitted with three accelerometers to record the amplitudes and frequencies during tests at the subsonic wind tunnel facility at the National Research Council. The results presented showed that no aeroelastic phenomenon occurred at the speeds, angles of attack and aileron deflections studied in the wind tunnel and confirmed the prediction of the flutter analysis on the frequencies and modal displacements.

Citation

Koreanschi, A., Henia, M., Guillemette, O., Michaud, F., Tondji, Y., Sugar-Gabor, O., …Flores salinas, M. (2016). Flutter analysis of a morphing wing technology demonstrator : numerical simulation and wind tunnel testing. Incas Bulletin, 8(1), 99-124. https://doi.org/10.13111/2066-8201.2016.8.1.10

Journal Article Type Article
Acceptance Date Jan 27, 2016
Publication Date Jan 1, 2016
Deposit Date Mar 10, 2017
Publicly Available Date Mar 10, 2017
Journal INCAS Bulletin
Print ISSN 2066-8201
Electronic ISSN 2247-4528
Publisher National Institute for Aerospace Research “Elie Carafoli”
Volume 8
Issue 1
Pages 99-124
DOI https://doi.org/10.13111/2066-8201.2016.8.1.10
Publisher URL http://dx.doi.org/10.13111/2066-8201.2016.8.1.10
Related Public URLs http://bulletin.incas.ro/

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