Subsonic flutter analyses for a preliminary space shuttle design were performed to determine the effect of wing-body aerodynamic interaction on the vehicle flutter speed. It was found that the proximity of the large bodies of the shuttle to the wing reduces critical flutter speed by 11%. Aerodynamic reflection off the bodies is the dominant interaction effect while aerodynamic forces caused by body motion are of secondary importance in most cases. The analyses employed a doublet-lattice representation of the space shuttle, where in the wing and body surfaces were modeled by a lattice of nonplanar lifting surface elements. Axial singularities were introduced to account for body incidence, volume, and camber (slender body) effects. A series of studies on the placement and number of these elements was performed to ensure convergence of the results. (Author)


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    Title :

    Analysis of Wing-Body Interaction Flutter for a Preliminary Space Shuttle Design


    Contributors:

    Publication date :

    1974


    Size :

    58 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





    Analysis of wing-body interaction flutter for a preliminary space shuttle design

    Chipman, Richard R. / Shyprykevich, Peter | TIBKAT | 1974


    Space Shuttle Flutter as Affected by Wing-Body Aerodynamic Interaction

    R. R. Chipman / F. J. Rauch / P. Shyprykevich et al. | AIAA | 1975


    Space Shuttle flutter as affected by wing-body aerodynamic interaction

    Chipman, R. R. / Rauch, F. J. / Shyprykevich, P. et al. | NTRS | 1974


    Space Shuttle flutter as affected by wing-body aerodynamic interaction

    CHIPMAN, R. / RAUCH, F. / SHYPRYKEVICH, P. et al. | AIAA | 1974