The determination of the subcritical aeroelastic response and flutter instability of nonlinear two-dimensional wing sections in an incompressible flowfield via indicial functions and Volterra series approach is considered. The aeroelastic governing equations are based on the inclusion of stiffness and damping nonlinearities in plunging and pitching and of the linear unsteady aerodynamics and consideration of an arbitrary time-dependent external pressure pulse. Nonlinear unsteady aeroelastic kernels are obtained, and based on these, time histories of the subcritical aeroelastic response are determined. Conclusions and results displaying the implications of the considered effects are supplied.


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    Titel :

    Aeroelastic response of nonlinear wing sections using a functional series techniques


    Weitere Titelangaben:

    Analyse der nichtlinearen aeroelastischen Impulsantwort einer Tragfläche mittels Funktionalreihenentwicklung


    Beteiligte:
    Marzocca, P. (Autor:in) / Librescu, L. (Autor:in) / Silva, W.A. (Autor:in)

    Erschienen in:

    AIAA Journal ; 40 , 5 ; 813-824


    Erscheinungsdatum :

    2002


    Format / Umfang :

    12 Seiten, 13 Bilder, 41 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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