Reduced basis techniques and the method of mode-acceleration are applied to transient analysis of simple beam and truss structures. It is noted that the method of mode-acceleration effectively recovers the first Ritz vector used in Ritz procedures. The theoretical basis for Lanczos algorithms that generate Ritz vectors is explained. Both mode-acceleration and Ritz procedures are found, generally, to be more accurate than mode-displacement in calculation of transient shear stresses, moments and normal stresses. Reanalysis using Ritz vectors is discussed following Kitis and Pilkey [9] and Noor and Lowder [10].


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    Titel :

    A Comparison of Mode-Acceleration and Ritz Vector Reduced Basis Procedures in Transient Analysis


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Drucker, Daniel S. (Autor:in) / Kline, Kenneth A. (Autor:in) / Lou, Maurice (Autor:in) / Wang, Semyung (Autor:in)

    Kongress:

    International Conference on Vehicle Structural Mechanics ; 1988



    Erscheinungsdatum :

    01.04.1988




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :