The aeroelastic behavior of a finite aspect ratio (AR=6) NACA0018 wing is computationally analyzed. HPCMP CREATE(trademark)-AV Kestrel, a fully coupled computational fluid dynamic (CFD) and computational structural dynamic (CSD) code, is used to compare the effect of blowing on a rigid and an aeroelastically deforming wing. Externally controlled blowing slots distributed along the span of the wing are used to inject mass into the flow field to achieve open-loop flow control. The results indicate that control by blowing has a pronounced effect on the flowfield and therefore on the aerodynamic coefficients. For the rigid wing, the lift is increased, as are the pitching and rolling moments. When aeroelastic deformation is considered, the picture changes significantly. First, the flexible wing showed higher lift and drag compared to the rigid wing due to the increased local angle of attack in the outboard section of the wing. Futhermore, the pitching and rolling moments were significantly reduced.


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    Title :

    Investigation of Aeroelastic Flow Control of a Fluttering Wing with HPCMP CREATE(trademark)-AV Kestrel


    Contributors:
    T. E. McLaughlin (author) / C. Fagley (author) / J. Seidel (author)

    Publication date :

    2015


    Size :

    12 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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