Multistage, explicit time stepping can be tailored to accelerate convergence for scalar advection-diffusion problems by using optimized multistage coefficients that vary with the local cell Reynolds number. And, when combined with local preconditioning, variable-coefficient multistage schemes for computational fluid dynamics codes can also provide an order of magnitude faster convergence, relative to standard, fixed-coefficient schemes, for the Navier-Stokes system of equations.


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    Titel :

    Matching Multistage Schemes to Viscous Flow


    Beteiligte:
    Kleb, William L. (Autor:in) / VanLeer, Bram (Autor:in) / Wood, William A. (Autor:in)

    Kongress:

    38th AIAA Thermophysics Conference ; 2005 ; Toronto, Ontario, Canada
    17th AIAA Computational Fluid Dynamics Conference ; 2005 ; Toronto, Ontario, Canada


    Erscheinungsdatum :

    2005-01-01


    Medientyp :

    Preprint


    Format :

    Keine Angabe


    Sprache :

    Englisch




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