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Effects of Mooring Line Failure on the Wave Frequency Responses of Truss Spar Platforms

Kurian, V.J. and Mohamed , M.A.W. and Montasir,, O.A.A and Liew, M. S. (2012) Effects of Mooring Line Failure on the Wave Frequency Responses of Truss Spar Platforms. In: International Society of Offshore and Polar Engineers Conference 2012 (ISOPE 2012), 17-22 June, 2012, Rhodes, Greece.

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Abstract

Experimental and numerical studies on a typical truss spar with intact and damaged mooring line conditions are presented. Physical model motions in surge, heave and pitch in addition to the mooring line tensions were measured. A MATLAB code named TRSPAR was developed for the dynamic analysis of truss spar. The numerical predictions agree very well with the measurements for the two structure conditions. Mooring line failure has shown insignificant effect on the wave frequency responses of the truss spar. However, for relatively low frequency waves, surge responses for mooring damage condition are lower than the corresponding intact mooring condition responses. KEY WORDS: Truss spar; responses; mooring lines; waves; experiment; simulation.

Item Type:Conference or Workshop Item (Paper)
Subjects:T Technology > TC Hydraulic engineering. Ocean engineering
T Technology > TA Engineering (General). Civil engineering (General)
Departments / MOR / COE:Research Institutes > Deep Water Technology
ID Code:7987
Deposited By: Prof Dr Kurian V John
Deposited On:12 Sep 2012 01:13
Last Modified:19 Jan 2017 08:21

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