The effect of varying ship proportions and hull materials on hull flexibility and on the concomitant bending and vibratory stresses for an ore carrier, a tanker, containership, and a general cargo ship is evaluated. With the reflexibility of the ship's hull represented by the natural frequency of the ship associated with the two-node shape, a potentially useful relation between the flexibility and bending moment has been established. An analysis indicates that forward speed affects hydrodynamic damping and forces as well as hull flexibility, and there may exist an optimal flexibility for every ship, but there is not necessarily a limit to the flexibility. (DePo)


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    Title :

    The effects of varying ship hull proportions and hull materials on hull flexibility, bending and vibratory stresses


    Additional title:

    Wirkung der Auslegung und des Materials von Schiffskoerpern auf die Elastizitaet, Biege- und Schwingungsspannungen


    Contributors:
    Chang, P.Y. (author)

    Published in:

    Publication date :

    1979


    Size :

    82 Seiten


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English