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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    Title :

    Matching Multistage Schemes to Viscous Flow


    Contributors:

    Conference:

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


    Publication date :

    2005-01-01


    Type of media :

    Preprint


    Type of material :

    No indication


    Language :

    English




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