The effects of slowly varying and persisting covariate effects on the accuracy and precision of experimental result is reviewed, as is the rationale for run-order randomization as a quality assurance tactic employed in the Modern Design of Experiments (MDOE) to defend against such effects. Considerable analytical complexity is introduced by restrictions on randomization in configuration aerodynamics tests because they involve hard-to-change configuration variables that cannot be randomized conveniently. Tradeoffs are examined between quality and productivity associated with varying degrees of rigor in accounting for such randomization restrictions. Certain characteristics of a configuration aerodynamics test are considered that may justify a relaxed accounting for randomization restrictions to achieve a significant reduction in analytical complexity with a comparably negligible adverse impact on the validity of the experimental results.


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    Title :

    The Modern Design of Experiments for Configuration Aerodynamics: A Case Study


    Contributors:

    Conference:

    44th American Institute of Aeronautics and Astronautics (AIAA) Aerospace Sciences Meeting and Exhibit ; 2006 ; Reno, NV, United States


    Publication date :

    2006-01-06


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English





    AIAA 2006-0923 The Modern Design of Experiments for Configuration Aerodynamics: A Case Study

    DeLoach, R. / American Institute of Aeronautics and Astronautics | British Library Conference Proceedings | 2006



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    Polhamus, E. C. / Gloss, B. B. | NTRS | 1981