A technique is described based on simple statistics that can be used to assess the accuracy of analytical predictions compared to measurements. It is demonstrated that the approach can be applied to a broad range of problems in the area of helicopter aeromechanics, including hover and forward flight performance, blade aerodynamic and structural loads, vibratory forces, and aeroelastic/aeromechanical stability. The method described has both strengths and weaknesses, and these are shown with examples and discussed. It is also shown that there is currently a hierarchy of accuracy in aeromechanics problems, ranging from the necessarily accurate methods for performance prediction to the inaccurate and untrustworthy calculations of fixed-system vibration.


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    Title :

    Assessment of predictive capability of aeromechanics methods


    Additional title:

    Bewertung der Vorhersagefähigkeit aeromechanischer Methoden


    Contributors:

    Published in:

    Journal of the American Helicopter Society ; 55 , 1 ; 012001/1-012001/12


    Publication date :

    2010


    Size :

    12 Seiten, 34 Bilder, 6 Tabellen, 18 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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