A method is presented which allows diffusion terms to be treated implicitly in the lower-upper (LU) algorithm (which is a commonly used method for solving 'compressible' Euler and Navier-Stokes equations) so that the algorithm's good stability properties will not be impaired. The new method generalizes the concept of LU factorization from that associated with the sign of eigenvalues to that associated with backward- and forward-difference operators without regard to eigenvalues. The method is verified in a turbulent boundary layer study.


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen


    Exportieren, teilen und zitieren



    Titel :

    Implicit treatment of diffusion terms in lower-upper algorithms


    Beteiligte:
    Shih, T. I.-P. (Autor:in) / Steinthorsson, E. (Autor:in) / Chyu, W. J. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.04.1993



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Implicit Treatment of Diffusion Terms in Lower-Upper Algorithms

    T. I-P. Shih / E. Steinthorsson / W. J. Chyu | AIAA | 1993



    Implicit lower-upper/approximate-factorization algorithms for viscous incompressible flows

    Briley, W / Neerarambam, Shyam / Whitfield, David | AIAA | 1995


    Diagonal inversion of lower-upper implicit schemes

    Yokota, Jeffrey W. / Caughey, David A. / Chima, Rodrick V. | NTRS | 1990


    Diagonal inversion of lower-upper implicit schemes

    YOKOTA, JEFFREY W. / CAUGHEY, DAVID A. / CHIMA, RODRICK V. | AIAA | 1990