The GMRES (generalised minimum residue scheme) approach is used to solve complex matrix solution arising from boundary element analysis of large offshore structures. This makes it possible to solve problems with large numbers of panels on a workstation with a much smaller memory than typical high performance computers. The speed of the solver is compatible with direct solvers when enough RAM is availiable. Otherwise, an iteration procedure can be used. By using an out-of-core treatment, typical RAM requirement is reduced to a size approximately linearly proportional to the panel number n instead of being proportional to n2. The code is first varified with direct solver for cases with small number of panels. The applicability to large offshore structure of the model is demonstrated for a tension leg platform case.


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    Titel :

    An iterative method for boundary element solution of large offshore structures using the GMRES solver


    Weitere Titelangaben:

    Numerische Näherungsberechnung großer Offshore-Plattformen mittels Randwertmethode und Minimum-Restklassen-Verfahren


    Beteiligte:
    Zhao, Y. (Autor:in) / Graham, J.M.R. (Autor:in)

    Erschienen in:

    Ocean Engineering ; 23 , 6 ; 483-495


    Erscheinungsdatum :

    1996


    Format / Umfang :

    13 Seiten, 10 Bilder, 5 Tabellen, 9 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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