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Nonlinear wave-induced motion response of a heavy transport vessel during dry transportation

Authors
Nam, B.W.Sung, H.G.Cho, S.K.Hong, S.Y.Kim, N.W.
Issue Date
2013
Keywords
Dry transportation; Heavy transport vessel; Nonlinear wave force; Roll motion; Wave impact; Waveinduced motion
Citation
Proceedings of the International Offshore and Polar Engineering Conference, pp 771 - 776
Pages
6
Journal Title
Proceedings of the International Offshore and Polar Engineering Conference
Start Page
771
End Page
776
URI
https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/8748
ISSN
1098-6189
Abstract
Motion of a heavy transport vessel in waves is numerically investigated by using a method of nonlinear time-domain analysis for floating body motion. In this study, focus is made on the roll motion of the transport vessel which is significantly influenced by nonlinear wave loads acting on the transported offshore structure. The present numerical method includes nonlinear restoring and Froude-Krylov forces acting on instantaneous wetted surface and two wave-in-deck impact models are examined. Firstly, in order to investigate the effect of wave impact loads, Pinkster's barge model with wide super structure is numerically tested. Next, two-dimensional transport vessels with wide and narrow super structures are simulated. Results of calculation are compared with experimental data. Finally, a heavy transport vessel is numerically simulated under the regular and irregular wave conditions. The present computations are compared with experimental data and the characteristics of nonlinear roll responses are discussed. Copyright ? 2013 by the International Society of Offshore and Polar Engineers (ISOPE).
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친환경해양개발연구본부 (심해공학연구센터)
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