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    National Tsing Hua University Institutional Repository > 理學院 > 數學系 > 期刊論文 >  Convergence acceleration by varying time-step size using Bi-CGSTAB method for turbulent flow computation

    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/45746

    Title: Convergence acceleration by varying time-step size using Bi-CGSTAB method for turbulent flow computation
    Authors: Tsai WB;Lin WW;Chieng CC
    教師: 林文偉
    Date: 2001
    Publisher: JOHN WILEY & SONS INC
    Relation: NUMERICAL METHODS FOR PARTIAL DIFFERENTIAL EQUATIONS,Volume: 17,Issue: 5,Pages: 454-474,Published: SEP 2001
    Keywords: LMS ALGORITHM
    Abstract: A design of varying step size approach both in time span and spatial coordinate systems to achieve fast convergence is demonstrated in this study. This method is based on the concept of minimization of residuals by the Bi-CGSTAB algorithm, so that the convergence can be enforced by varying the time-step size. The numerical results show that the time-step size determined by the proposed method improves the convergence rate for turbulent computations using advanced turbulence models in low Reynolds-number form, and the degree of improvement increases with the degree of the complexity of the turbulence models.
    URI: http://jupiter.math.nctu.edu.tw/~wwlin/papers_new/2001TLCp.pdf
    Appears in Collections:[數學系] 期刊論文

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