Boeing Helicopters, together with other U.S. Helicopter manufacturers, participated in a finite element applications program to give the United States a superior capability to utilize finite element analysis models in support of helicopter airframe design. The program was sponsored by the NASA Langley Research Center. Under this program, an activity was sponsored to evaluate existing analysis methods applicable to calculate coupled rotor-airframe vibrations. The helicopter used in this evaluation was the AH-1G helicopter. The results of the Boeing Helicopters efforts are summarized. The planned analytical procedure is reviewed. Changes to the planned procedure are discussed, and results of the correlation study are presented.


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    Titel :

    Calculation of Flight Vibration Levels of the AH-1G Helicopter and Correlation with Existing Flight Vibration Measurements


    Beteiligte:
    R. A. Ditaranto (Autor:in) / V. Sankewitsch (Autor:in)

    Erscheinungsdatum :

    1989


    Format / Umfang :

    110 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch