This paper presents a study of aircraft featuring truss-braced wing configurations that have been optimized for minimum fuel consumption using multidisciplinary design optimization. The investigation proceeds following an earlier Boeing Subsonic Ultra Green Aircraft Research N+3 study, which selected the truss-braced wing concept as the most promising of several N+3 concept vehicles. This comes from the fact that a significantly higher-aspect-ratio wing could achieve substantial reductions in induced drag but requires major structural changes to support such a large span. This problem was explored through the use of a multidisciplinary design and analysis environment implemented in ModelCenter®. Optimization was performed using ModelCenter's Design Explorer and Darwin genetic algorithm optimizers. Using the multidisciplinary environment, a large multidimensional design space, featuring design variables spread across the major aircraft design disciplines, was explored. Configurations featuring a strut-braced wing and truss-braced wings with one and two juries were evaluated for different span limits. Subsequently, different laminar wing design options were investigated in conjunction with lift augmentation system options. The multidisciplinary optimization used for this investigation was able to produce candidate designs with the desired attributes and performance improvements while satisfying all relevant geometric and performance constraints. Presented as Paper 2014-2423 at the 14th AIAA Aviation Technology, Integration, and Operations Conference, Atlanta, GA, 16-20 June 2014


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Comparative Assessment of Strut-Braced and Truss-Braced Wing Configurations Using Multidisciplinary Design Optimization



    Erschienen in:

    Erscheinungsdatum :

    2015




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :

    Klassifikation :

    BKL:    55.50 Luftfahrzeugtechnik / 55.50
    Lokalklassifikation TIB:    770/7040




    Multidisciplinary Design Optimization of a Truss Braced Wing Aircraft

    Gur, O. / Bhatia, M. / Schetz, J. et al. | British Library Conference Proceedings | 2009


    Multidisciplinary Design Optimization of a Truss Braced Wing Aircraft

    Gur, Ohad / Bhatia, Manav / Schetz, Joseph et al. | AIAA | 2009


    ICAS2014_0879: MULTIDISCIPLINARY OPTIMIZATION OF TRUSS-BRACED WING LAYOUT

    Zhang, K.-S. / Bakar, A. / Ji, P.-B. et al. | British Library Conference Proceedings | 2014


    Multidisciplinary Design Optimization of a Transonic Strut-Braced Wing Aircraft

    Grasmeyer, J. / American Institute of Aeronautics and Astronautics | British Library Conference Proceedings | 1999