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Effect of Pretension on Triangular Tension Leg Platform (TLP) Responses

Kurian, V.J. and Mohammad, N.A. and Hashim, F.M. (2010) Effect of Pretension on Triangular Tension Leg Platform (TLP) Responses. In: International Conference on Experimental Mechanics (ICEM 2010), 29 Nov - 2 December 2010, Kuala Lumpur.

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Abstract

Abstract. TLP (Tension Leg Platform) is a type of column-stabilized moored platform where the buoyancy exceeds its weight and thus the vertical equilibrium of the platform requires a system of pre-tensioned tethers held in tension connecting the upper structure to a foundation on the sea bed. A typical TLP is four-legged, while triangular TLP is three-legged. This study was conducted to determine the effect of variation of pretension on the dynamic responses of a triangular TLP. A dynamic analysis was conducted in frequency domain using Linear Airy Wave theory and Morison equation to analyze the responses of triangular TLP subjected to a random wave generated using Pierson-Moskowitz spectrum. Experimental model tests for validating the analytical results were conducted in the wave tank of the Offshore Laboratory at UTP. The results indicated that the responses were inversely proportional to the tether pretension.

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:4274
Deposited By: Prof Dr Kurian V John
Deposited On:07 Feb 2011 07:56
Last Modified:19 Jan 2017 08:23

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