Parametric rolling resonance in head waves was investigated experimentally. An experiment using a scale model of a post-Panamax containership was carried out in regular head waves at the 80 metres square basin of NMRI. In the experiment the wavelength, the wave height, the model speed and the encounter angle were widely varied to clarify overall property of parametric rolling resonance in head waves. As a result, conditions in which the head wave parametric rolling resonance is likely to occur and effects of the encounter period, the wave height and the encounter angle on parametric rolling amplitude were clarified. Moreover numerical simulations of roll motion of a ship in pure head waves were also carried out to investigate the property of parametric rolling resonance further.
Model Experiment on Parametric Rolling of a Post-Panamax Containership in Head Waves
Fluid Mechanics, Appl.
2011-05-17
18 pages
Article/Chapter (Book)
Electronic Resource
English
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