This paper describes a Naval Air Warfare Center (NAWC) sponsored Small Business Innovation Research (SBIR) Phase I Program to achieve long-range U.S. Navy water impact design objectives. In this program, a complementary approach utilizing both a nonlinear finite-element analysis program (MSC/DYTRAN) and a hybrid impact analysis code (DRI/KRASH) is used to demonstrate the potential for airframe water impact analysis. Several water impact conditions were analyzed comprising various combinations of forward velocity and sink speed using MSC/DYTRAN and DRI/KRASH. Sampling of results along with test data are provided with regard to fuselage underside pressure contours, floor accelerations, airframe-water interactive forces, response comparisons and trends. No similar results have previously been presented.


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    Titel :

    Airframe water impact analysis using a combined MSC/DYTRAN-DRI/KRASH approach


    Weitere Titelangaben:

    Flugwerk-Wasserschlaganalyse mit Hilfe einer kombinierten Methode aus MSC/DYTRAN und DRI/KRASH


    Beteiligte:
    Wittlin, G. (Autor:in) / Smith, M. (Autor:in) / Richards, M. (Autor:in) / Sareen, A. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1997


    Format / Umfang :

    13 Seiten, 14 Bilder, 9 Tabellen, 5 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch