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  • Nonlinear Roll Damping of Ship Motions in Waves

    Author(s)
    Wu, X
    Tao, L
    Li, Y
    Griffith University Author(s)
    Tao, Longbin
    Year published
    2005
    Metadata
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    Abstract
    Nonlinear roll damping has a profound influence on ship motions and stability in ocean waves. In this study, an experimental investigation is conducted on the nonlinear roll damping of a ship in regular and irregular waves. The random decrement method, previously used in linear roll damping prediction, is Extended to nonlinear roll damping estimation in the data process. The accuracy of the nonlinear roll damping obtained by using the random decrement method is found to be dependent on the values of the threshold and segment number.Nonlinear roll damping has a profound influence on ship motions and stability in ocean waves. In this study, an experimental investigation is conducted on the nonlinear roll damping of a ship in regular and irregular waves. The random decrement method, previously used in linear roll damping prediction, is Extended to nonlinear roll damping estimation in the data process. The accuracy of the nonlinear roll damping obtained by using the random decrement method is found to be dependent on the values of the threshold and segment number.
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    Journal Title
    Journal of Offshore Mechanics and Arctic Engineering
    Volume
    127
    Publisher URI
    http://asmedl.aip.org/OffshoreMechanics/
    DOI
    https://doi.org/10.1115/1.1951780
    Copyright Statement
    © 2005 American Society of Mechanical Engineers (ASME). Self-archiving of the author-manuscript version is not yet supported by this publisher. Please refer to the journal link for access to the definitive, published version or contact the author for more information.
    Subject
    Civil engineering
    Maritime engineering
    Mechanical engineering
    Resources engineering and extractive metallurgy
    Publication URI
    http://hdl.handle.net/10072/4292
    Collection
    • Journal articles

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