The research presented in this paper follows from a series of collaborative projects behind the design of the RiverCat ferries in use on the Parramatta River leading into Sydney Harbour in Sydney, Australia. A critical feature of the design of these catamarans was to minimise the damage done to the banks of the river by means of a suitable choice of hullform. In the current investigation, the theory has been taken a step further by using it to determine the optimal hullform in order to minimise the wave resistance and, consequently, the wave generation and erosion of the river banks. The optimal hull depends specifically, not only on the required displacement, but also on the operational speed and chosen water depth. Optimisation has been effected using the genetic algorithm. A set of hullforms which satisfy various practical constraints is presented and the wavemaking resistance of the hulls is compared to that of the standard Wigley hullform.


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    Title :

    Hydrodynamically optimal hull forms for river ferries


    Additional title:

    Hydrodynamisch optimale Rumpfformen für Flußfährschiffe


    Contributors:
    Doctors, L.J. (author) / Day, A.H. (author)


    Publication date :

    1995


    Size :

    15 Seiten, 12 Bilder, 23 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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