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    The maximum sinkage of a ship

    136568_4738_Gourlay and Tuck 2001 Journal of Ship Research.pdf (255.6Kb)
    Access Status
    Open access
    Authors
    Gourlay, Tim
    Tuck, E.
    Date
    2001
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Gourlay, T. and Tuck, E. 2001. The maximum sinkage of a ship. Journal of Ship Research. 45 (1): pp. 50-58.
    Source Title
    Journal of Ship Research
    ISSN
    0022-4502
    Faculty
    School of Science and Computing
    Faculty of Science and Engineering
    Department of Imaging and Applied Physics
    URI
    http://hdl.handle.net/20.500.11937/31845
    Collection
    • Curtin Research Publications
    Abstract

    A ship moving steadily forward in shallow water of constant depth h is usually subject to downward forces and hence squat, which is a potentially dangerous sinkage or increase in draft. Sinkage increases with ship speed, until it reaches a maximum at just below the critical speed √gh. Here we use both a linear transcritical shallow-water equation and a fully dispersive finite-depth theory to discuss the flow near that critical speed and to compute the maximum sinkage, trim angle, and stern displacement for some example hulls.

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