The problems of airframe structural dynamic representation and effects of coupled rotor/airframe vibration are discussed. Several finite element computer programs (including NASTRAN) and methods for idealization and computation of airframe natural modes and frequencies and forced response are reviewed. Methods for obtaining a simultaneous rotor and fuselage vibratory response, determining effectiveness of vibration control devices, and energy methods for structural optimization are also discussed. Application of these methods is shown for the vibration prediction of the model 347 helicopter.


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    Titel :

    Coupled rotor/airframe vibration prediction methods


    Beteiligte:
    Staley, J. A. (Autor:in) / Sciarra, J. J. (Autor:in)


    Erscheinungsdatum :

    1974-01-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Coupled rotor/airframe vibration prediction methods

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