Typically, the dominant load for the structural design of a planing hull is slamming, while sailing at high speed in head seas. Applied rules assess the strength of the members of the hull by applying beam theory and a static design pressure, which represents the slamming load. Actually, the slamming is a violent fluid structure interaction, where dynamics, hydro-elasticity, and nonlinear structural effects may be important. This paper presents a design method for planing hulls, which considers hydro-elasticity and nonlinear dynamic structural analysis. The method combines rules calculations with analysis of fluid-structure interaction to a practical design procedure. Furthermore, a parametric analysis is applied to provide a database of 225 cases that may be used by designers for a preliminary assessment in a practical range of geometrical parameters and service conditions. Finally, a design example demonstrates a saving of 20% of the bottom plates thickness, relative to design by rules.


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    Title :

    A design method for planing hulls, considering hydro-elasticity and nonlinear dynamic structural response



    Published in:

    Publication date :

    2017




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English



    Classification :

    BKL:    50.92 / 50.92 Meerestechnik / 55.40 / 55.40 Schiffstechnik, Schiffbau




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