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Frequency Domain Analysis for Float-over Barge Subjected to Random Waves

Baharuddin, N.H. and Kurian, V.J. and Hashim, Ahmad Mustafa (2011) Frequency Domain Analysis for Float-over Barge Subjected to Random Waves. In: National Postgraduate Conference (NPC 2011), 19-20 Sept 2011, Universiti Teknologi PETRONAS, Tronoh, Perak, MALAYSIA.

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Abstract

Float-over barges are used for the installation of topsides onto jacket platforms recently. In this study, a frequency domain analysis was performed for a float-over barge subjected to random waves. The excitation forces acting on the floating barge were derived by Froude-Krylov approach. In this paper, seven different sea states were specified for the analysis and the results are presented in terms of Response Amplitude Operators (RAOs). Three motion modes were analyzed namely surge, heave and pitch. The results are presented and conclusions arrived at. The resulting RAOs decrease with an increase in draft while longer wave periods are associated with larger surge, heave and pitch responses. The findings provide guidance for the conceptual design and development of such structures.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Float-over barge; Frequency domain analysis; Random waves; Dynamic analysis; Froude-Krylov approach
Subjects:T Technology > TC Hydraulic engineering. Ocean engineering
Departments / MOR / COE:Departments > Civil Engineering
Mission Oriented Research > Deep Water Technology
ID Code:6637
Deposited By: AP Ahmad Mustafa Hashim
Deposited On:05 Dec 2011 03:01
Last Modified:19 Jan 2017 08:22

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