The present study addresses the subcritical aeroelastic response of swept wings, in various flight speed regimes, to arbitrary time-dependent external excitations. The methodology based on the concept of indicial functions is carried out in time and frequency domains. As a result of this approach, the proper unsteady aerodynamic loads necessary to study the subcritical aeroelastic response of the open/closed loop aeroelastic systems, and of flutter instability, respectively are obtained. Validation of the aeroelastic model is provided, and applications to subcritical aeroelastic response to blast pressure signatures are illustrated. In this context, an original representation of the aeroelastic response in the phase-space is displayed, and pertinent conclusions on the implications of a number of selected parameters of the system are outlined.


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    Title :

    Aeroelastic Response of Swept Aircraft Wings in a Compressible Flow Field


    Contributors:
    P. Marzocca (author) / L. Librescu (author) / W. A. Silva (author)

    Publication date :

    2000


    Size :

    10 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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