An engineering and software specification which was written for a computer program to calculate aeroelastic structural loads including the effects of nonlinear aerodynamics is presented. The procedure used in the program for an iterative aeroelastic solution (PIAS) is to alternately execute two computer codes: one to calculate aerodynamic loads for a specific wing shape, and another to calculate the deflected shape caused by this loading. A significant advantage to the design of PIAS is that the initial aerodynamic module can be replaced with others. The leading edge vortex (LEV) program is used as the aerodynamic module in PIAS. This provides the capability to calculate aeroelastic loads, including the effects of a separation induced leading edge vortex. The finite element method available in ATLAS Integrated structural analysis and design system is used to determine the deflected wing shape for the applied aerodynamics and inertia loads. The data management capabilities in ATLAS are used by the execution control monitor (ECM) of PIAS to control the solution process.


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    Titel :

    Specification for a Program for an Interative Aeroelastic Solution (PIAS)


    Beteiligte:
    M. E. Manro (Autor:in) / M. J. Donahue (Autor:in) / R. L. Dreisbach (Autor:in) / J. E. Bussoletti (Autor:in)

    Erscheinungsdatum :

    1983


    Format / Umfang :

    99 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch






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