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    Near-trapping effect of wave-cylinders interaction on pore water pressure and liquefaction around a cylinder array

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    Publication date
    2020-12-15
    End of Embargo
    2021-10-10
    Author
    Lin, Z.
    Pokrajac, D.
    Guo, Yakun
    Liao, C.
    Tang, T.
    Keyword
    Wave-structure-seabed interaction
    WSSI
    Seabed response
    Four-cylinder foudation
    Near-trapping phenomenon
    Momentary liquefaction
    Rights
    © 2020 Elsevier. Reproduced in accordance with the publisher's self-archiving policy. This manuscript version is made available under the CC-BY-NC-ND 4.0 license (https://creativecommons.org/licenses/by-nc-nd/4.0/)
    Peer-Reviewed
    Yes
    
    Metadata
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    Abstract
    The near-trapping effects on wave-induced dynamic seabed response and liquefaction close to a multi-cylinder foundation in storm wave conditions are examined. Momentary liquefaction near multi-cylinder structures is simulated using an integrated wave-structure-seabed interaction model. The proposed model is firstly validated for the case of interaction of wave and a four-cylinder structure, with a good agreement with available experimental measurements. The validated model is then applied to investigate the seabed response around a four-cylinder structure at 0° and 45° incident angles. The comparison of liquefaction potential around individual cylinders in an array shows that downstream cylinder is well protected from liquefaction by upstream cylinders. For a range of incident wave parameters, the comparison with the results for a single pile shows the amplification of pressure within the seabed induced by progressive wave. This phenomenon is similar to the near-trapping phenomenon of free surface elevation within a cylinder array.
    URI
    http://hdl.handle.net/10454/18212
    Version
    Accepted manuscript
    Citation
    Lin Z, Pokrajac D, Guo Y et al (2020) Near-trapping effect of wave-cylinders interaction on pore water pressure and liquefaction around a cylinder array. Ocean Engineering. 218: 108047.
    Link to publisher’s version
    https://doi.org/10.1016/j.oceaneng.2020.108047
    Type
    Article
    Notes
    Full-text of this article will be released for public view at the end of the publisher embargo on 10 Oct 2021.
    Collections
    Engineering and Informatics Publications

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