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논문 상세정보

Hull/Mooring/Riser Coupled Dynamic Analysis of a Turret-Moored FPSO Compared with OTRC Experiment

Abstract

A vessel/mooring/riser coupled dynamic analysis program in time domain is developed for the global motion simulation of a turret-moored, tanker based FPSO designed for 6000-ft water depth. The vessel global motions and mooring tension are simulated for the non-parallel wind-wave-current 100-year hurricane condition in the Gulf of Mexico. The wind and current forces and moments are estimated from the OCIMF empirical data base for the given loading condition. The numerical results are compared with the OTRC(Offshore Technology Research Center: Model Basin for Offshore Platforms in Texas A&M University) 1:60 model-testing results with truncated mooring system. The system's stiffness and line tension as well as natural periods and damping obtained from the OTRC measurement are checked through numerically simulated static-offset and free-decay tests. The global vessel motion simulations in the hurricane condition were conducted by varying lateral and longitudinal hull drag coefficients, different mooring and riser set up, and wind-exposed areas to better understand the sensitivity of the FPSO responses against empirical parameters. It is particularly stressed that the dynamic mooring tension can be greatly underestimated when truncated mooring system is used.

저자의 다른 논문

참고문헌 (22)

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이 논문을 인용한 문헌 (2)

  1. Kim, Young-Bok ; Kim, Moo-Hyun ; Kim, Yong-Yook 2009. "Dynamic Analysis of Floating Bodies Considering Multi-body Interaction Effect" 大韓造船學會 論文集 = Journal of the Society of Naval Architects of Korea, 46(6): 659~666 
  2. Kim, Young-Bok ; Jeong, Tae-Gweon ; Kim, Se-Won ; Kim, Jung-Yeop ; Kim, Young-Hun 2010. "Dynamic Analysis for the Mooring Safety at KwangYang Port" 한국해안·해양공학회논문집 = Journal of Korean Society of Coastal and Ocean Engineers, 22(6): 423~428 

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