The aeroelastic dynamic instability designated Body Freedom Flutter (BFF) involves aircraft pitch and wing bending motions characteristic of forward swept wing (FSW) aircraft. Attention is presently given to the results of tests conducted on a 1/2-scale cable-mounted FSW wind tunnel model, with and without relaxed static stability (RSS) control conditions. BFF instability boundaries were found to occur at significantly lower air speeds than those associated with aeroelastic wing divergence on the same model. Servoaeroelastic stability analyses have been conducted which proved capable of predicting the measured onset of BFF, in both the statically stable and RSS configurations tested.


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    Title :

    Transonic test of a forward swept wing configuration exhibiting Body Freedom Flutter


    Contributors:
    Chipman, R. (author) / Rauch, F. (author) / Rimer, M. (author) / Muniz, B. (author) / Ricketts, R. H. (author)

    Conference:

    Structures, Structural Dynamics, and Materials Conference ; 1985 ; Orlando, FL


    Publication date :

    1985-01-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English