In recent years, a number of floating facilities for the utilization of ocean space, such as a marine disaster prevention base, floating restaurant, or floating container terminal, are planned, and some of them are actually built. Most of these facilities are of the pontoon-type floating structure, and the mooring system is basically a mooring dolphin. In the design of such facilities, it is important that the prediction of the motions of a pontoon-type floating body, supported by a mooring dolphin, in a tsunami is obtained. The objective of the present research is to develop a simulation system to obtain such predictions. In the present simulation system developed here, the three-dimensional (3D) MPS method (moving particle semi-implicit method) is used, and a solitary wave and borelike wave are applied to represent the incoming tsunami wave. The present paper is a report of the first stage of the research, and the heaving motion of the floating body acted upon by the tsunami is paid special attention, and we also report on the results of the study of the detaching of the floating body from the mooring dolphin.
Behavior of a Pontoon Supported by a Mooring Dolphin in a Tsunami (First Report)
Contributed by the Ocean Offshore and Arctic Engineering Division of ASME for publication in the Journal of Offshore Mechanics and Arctic Engineering. Manuscript received November 18, 2011; final manuscript received September 28, 2012; published online February 25, 2013. Assoc. Editor: Ron Riggs.
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Masuda, M., Masuda, K., Ikoma, T., and Shoji, K. (February 25, 2013). "Behavior of a Pontoon Supported by a Mooring Dolphin in a Tsunami (First Report)." ASME. J. Offshore Mech. Arct. Eng. May 2013; 135(2): 021102. https://doi.org/10.1115/1.4023249
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