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An insight into the slamming behaviour of large high-speed catamarans through full-scale measurements

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posted on 2023-05-17, 21:51 authored by Jacobi, G, Giles Thomas, Michael DavisMichael Davis, Davidson, G
The slamming behaviour of a large high-speed catamaran has been investigated through the analysis of full-scale trials data. The US Navy conducted the trials in the North Sea and North Atlantic region on a 98 m wave piercer catamaran, HSV-2 Swift, designed by Revolution Design Pty Ltd and built by Incat Tasmania. For varying wave headings, vessel speeds and sea states the data records were interrogated to identify slam events. An automatic slam identification algorithm was developed, considering the measured rate of change of stress in the ship’s structure coupled with the vessel’s pitch motion. This has allowed the slam occurrence rates to be found for a range of conditions and the influence of vessel speed, wave environment and heading to be determined. The slam events have been further characterised by assessing the relative vertical velocity at impact between the vessel and the wave. Since the ship was equipped with a ride control system, its influence on the slam occurrence rates has also been assessed.

History

Publication title

Journal of Marine Science and Technology

Volume

19

Pagination

15-32

ISSN

0948-4280

Department/School

Australian Maritime College

Publisher

Springer-Verlag Tokyo

Place of publication

3-3-13, Hongo, Bunkyo-Ku, Tokyo, Japan, 113-0033

Rights statement

Copyright 2013 JASNAOE

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in engineering

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