The present paper investigates the applicability of the Global Sensitivity Equation (GSE) method in the multidisciplinary synthesis of aeronautical vehicles. The GSE method provides an efficient approach for representing a large coupled system by smaller subsystems and accounts for the subsystem interactions by means of first-order behavior sensitivities. This approach was applied in an aircraft synthesis problem with performance constraints stemming from the disciplines of structures, aerodynamics, and flight mechanics. Approximation methods were considered in an attempt to reduce problem dimensionality and to improve the efficiency of the optimization process. The influence of efficient constraint representations, the choice of design variables, and design variable scaling on the conditioning of the system matrix was also investigated.


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    Titel :

    Application of global sensitivity equations in multidisciplinary aircraft synthesis


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    01.12.1990



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Application of global sensitivity equations in multidisciplinary aircraft synthesis

    HAJELA, P. / BLOEBAUM, C. L. / SOBIESZCZANSKI-SOBIESKI, JAROSLAW | AIAA | 1990



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