This paper describes an approach to the keel design of a sailing yacht. The related software, which is fully automatic, leads to the optimal shape by modifying the surface used to define the keel planform. B-spline curves and surfaces have been used due to their ability in following complex shapes. The algorithm integrates ad hoc implemented original software with computational fluid dynamics (CFD) commercial ones. The optimisation procedure uses genetic algorithms (GAs) and a gradient-based optimiser for the refinement of the solution. A careful CAD and CFD modelling leads to a stable and efficient generalised method, which has been applied to the design of the centreboard of the 5o5 international class racing dinghy.


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    Title :

    A numerical approach to the keel design of a sailing yacht


    Additional title:

    Ein numerisches Verfahren für die Formgestaltung eines Segeljachtkiels


    Contributors:
    Cirello, A. (author) / Mancuso, A. (author)

    Published in:

    Ocean Engineering ; 35 , 14-15 ; 1439-1447


    Publication date :

    2008


    Size :

    9 Seiten, 34 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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