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Experimental investigation of the influence of floodwater due to ship grounding on motions and global loads

Bennett, S.S.; Phillips, A.B.. 2017 Experimental investigation of the influence of floodwater due to ship grounding on motions and global loads. Ocean Engineering, 130. 49-63. 10.1016/j.oceaneng.2016.11.039

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© 2016 Elsevier B.V. This is the author’s version of a work that was accepted for publication in Ocean Engineering. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was/will be published in Ocean Engineering
SSBennett-ABPhillips-Manuscript-R2.pdf - Accepted Version
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Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0.

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Abstract/Summary

High profile collision and grounding incidents show that safety standards for ships need improvement to ensure ship survivability and reduce the potential for loss of life. An experimental investigation into the influence of floodwater, and transient flooding on the motions and structural response of a ship hull following a grounding incident is presented. Results show that floodwater can have a significant effect on the magnitude of ship responses; testing of the transient flooding case provides the opportunity to quantify the magnitude of these changes as well as the time to flood by provision of intact and flooded data during a single test. The movement of the floodwater free surface shows some substantial second order sloshing effects when close to the ship peak response, but little movement in higher frequency waves. Comparisons to classification design rules indicate that there is scope for further assessment of safety margins, including investigation of global responses in conjunction with any local loading due to the presence of floodwater. Future work will look at improving the modelling of the floodwater free surface and carrying out further transient flooding testing in order to better quantify the effect of a ship grounding incident on the survivability of a vessel.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1016/j.oceaneng.2016.11.039
ISSN: 0029-8018
Additional Keywords: Damaged ship, motions, global loads, free surface, transient flooding, ship grounding
Date made live: 02 Dec 2016 09:46 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/515299

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