This paper describes a new grid generating system particularly designed for automobile external flow analyses. The system consists of three major parts as follows: Part I collects the geometrical data of the automobile surface and develops an intermediate grid. Part II generates the surface grid on the surface of the automobile. The surface grid is used as the boundary condition for generating the three-dimensional grid for the flow space. Part III generates the three-dimensional grid for external flow analyses. In generating the surface grid, a new approach of generating grid has been developed, in which two elliptic grid generation equations are solved directly on the physical domain. The three-dimensional grid is generated by the elliptic grid generation method blended with the hyperbolic method. An iterative solution algorithm based on the approximate factorization scheme has been developed.


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    Title :

    A Grid Generating System for Automobile Aerodynamic Analysis


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    International Congress & Exposition ; 1991



    Publication date :

    1991-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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