This paper presents a detailed mathematical derivation of the sensitivity derivatives for the structural dynamic, aeroelastic stability and response characteristis of a rotor blade in hover and forward flight. The formulation is denoted by the term semianalytical approach, because certain derivatives have to be evaluated by a finite difference scheme. Using the present formulation, sensitivity derivatives for the structural dynamic and aeroelastic stability characteristics, were evaluated for both isotropic and composite rotor blades. Based on the results, useful conclusions are obtained regarding the relative merits of the semi-analytical approach, for calculating sensitivity derivatives, when compared to a pure finite difference approach.


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    Titel :

    A new sensitivity analysis for structural optimization of composite rotor blades


    Weitere Titelangaben:

    Eine neue feinstufige Untersuchung zur strukturellen Optimierung von Rotorblättern aus Verbundwerkstoff


    Beteiligte:
    Venkatesan, C. (Autor:in) / Friedmann, P.P. (Autor:in) / Yuan, Kuo-An (Autor:in)


    Erscheinungsdatum :

    1993


    Format / Umfang :

    22 Seiten, 16 Bilder, 2 Tabellen, 14 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    A NEW SENSITIVITY ANALYSIS FOR STRUCTURAL OPTIMIZATION OF COMPOSITE ROTOR BLADES

    VENKATESAN, C. / FRIEDMANN, P. / YUAN, KUO-AN | AIAA | 1993


    Structural Optimization of Composite Rotor Blades

    Volovoi, Vitali / Yoon, Sangpil / Lee, Chang-Young et al. | AIAA | 2004


    Multi-Level Structural Optimization of Composite Rotor Blades

    Volovoi, Vitali / Li, Leihong / Ku, Jieun et al. | AIAA | 2005


    AIAA-2004-1837 Structural Optimization of Composite Rotor Blades

    Volovoi, V. / Yoon, S. / Lee, C. et al. | British Library Conference Proceedings | 2004