A systematic approach for aeroelastic scaled-model design is developed. The method optimizes an incremental number of vibration eigenpairs, buckling eigenpairs, and optionally a linear static response of scaled models to match the scaled values of a target full-scale aircraft. A method for matching scaled modal mass, a required scaling parameter, is developed. The sources of local optima are identified and a tiered global-search-optimization procedure is incorporated. The approach is demonstrated on a joined-wing scaled-model-design problem. Costly nonlinear analysis is omitted from the evaluation of the objective function and constraints for optimization. The results produced scaled models that closely replicate the geometrically nonlinear target aeroelastic behavior.


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    Title :

    Nonlinear Aeroelastic Scaled-Model Design


    Contributors:

    Published in:

    Journal of Aircraft ; 53 , 1 ; 20-32


    Publication date :

    2016-01-01




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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