Aerodynamic drag predictions using the block-structured Euler/Navier-Stokes flow solver FANSC, developed at Bombardier Aerospace for the analysis of the flow around complete aircraft configurations, are presented in this paper. To this end, the traditional far-field method, complemented with semi-empirical relations, is used for evaluating induced, form and viscous drag on a complete aircraft configuration from Euler/boundary-layer flow solutions. Recent advances in Navier-Stokes CFD methods technology are also used to yield near-field integration of the aerodynamic forces. Theoretical developments are briefly discussed on the numerical methods: the basic flow solver (discretization, time-integration, etc…), Euler/boundary-layer coupling methods (direct, semi-inverse and quasi-simultaneous) and Navier-Stokes method. The far-field and near-field drag prediction methods are discussed with emphasis on the relationship they carry with the CFD flow solution. Numerical results with comparisons to experimental data are presented on several aerodynamic geometries (flat-plate, airfoil, isolated nacelles, aircraft configurations).


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    Title :

    Drag Prediction Using the Euler/Navier-Stokes Code FANSC


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    World Aviation Congress & Exposition ; 2003



    Publication date :

    2003-09-08




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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