Investigation of tendon dynamics effects on tension leg platform response in random seas

Oyejobi, Damilola O. and Jameel, Mohammed and Ramli Sulong, Nor Hafizah and Khan, Niaz Bahadur (2019) Investigation of tendon dynamics effects on tension leg platform response in random seas. Proceedings of the Institution of Mechanical Engineers, Part M: Journal of Engineering for the Maritime Environment, 233 (4). pp. 1082-1102. ISSN 1475-0902, DOI

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This study investigated tendon dynamics effects of tension leg platform models with tendons modelled by finite element spring and beam elements for uncoupled and coupled tension leg platform in random waves and current environment. The purpose of the study is to proffering numerical solution of single mathematical equation of motion for fully integrated-coupled tension leg platform floater with tendons model. Structural modelling of complete tension leg platform is achieved with the help of ABAQUS/Standard finite element tools which is incorporated with ABAQUS/Aqua module for the application of hydrodynamic loadings on the partially submerged tension leg platform hull and fully submerged platform tendons. For the uncoupled tension leg platform model, weight, inertia, hydrodynamic force and damping forces are ignored on the tendons modelled with springs, while the stiffness of the tendons is considered as a static restoring force. The coupled tension leg platform model had all the forces applied on the tendons modelled with beam elements. Conclusively, modelling and analysis of the tension leg platform as uncoupled and coupled models have expanded our understanding to know that surge motion response is fairly predicted by the two models, however, heave and pitch motions, and variations in tendon tension differ significantly; hence, coupled tension leg platform model is recommended. The influence of a removed tendon due to accident or maintenance on the tension leg platform motions is also reported. © IMechE 2018.

Item Type: Article
Funders: University of Malaya Research Grant (UMRG) and Postgraduate Research Grant (PPP) through Project number RP004E-13AET and 225-2014B
Uncontrolled Keywords: Tension leg platform; tendon dynamics; uncoupled; coupled; finite element; ABAQUS/Aqua
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 13 Feb 2020 02:23
Last Modified: 13 Feb 2020 02:23

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