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Slamming quasi-static Analysis of an 98m Incat high-speed wave piercing catamaran


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Amin, W, Davis, MR, Thomas, GA and Holloway, DS 2009 , 'Slamming quasi-static Analysis of an 98m Incat high-speed wave piercing catamaran', paper presented at the Innovations in high-speed marine vessels, 28-29 Jan 2009, Fremantle, Western Australia.

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Available under University of Tasmania Standard License.


A “Reverse Engineering” approach to investigate slamming loads on large high-speed wave piercers is used in conjunction with trials data and finite element analysis. Trials data are used to develop the loading conditions during severe slamming events in terms of the vessel motions and immersion. The underlying wave loads are applied to a global FE model, in addition to a complementary slamming load. The longitudinal and transverse slam load distribution was based on pressure measurements during model tests. The load location and magnitude were then systematically changed until the best match between trials and FE strains was achieved. The results show that the comparison method with trials is critical and suggests that FE dynamic analysis is required to fully understand and develop realistic interpretation of slamming loads during trials.

Item Type: Conference or Workshop Item (Paper)
Authors/Creators:Amin, W and Davis, MR and Thomas, GA and Holloway, DS
Keywords: wave piercing catamaran, sea trials, slamming, Finite element analysis, pressure measurements
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