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Journal of ship and ocean technology v.8 no.3, 2004년, pp.26 - 39   피인용횟수: 2

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

Kim Young-Bok    (Shipbuilding/Plant Research Institute, Samsung Heavy Industries   ); Kim Moo-Hyun    (Civil Engineering Department, Texas A&M University, USA  );
  • 초록

    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.


  • 주제어

    vessel-mooring-riser coupled dynamics .   turret-moored FPSO .   truncated mooring .   OTRC experiment .   GoM non-parallel environmental condition.  

  • 참고문헌 (22)

    1. Garrett, D.L. 1982. Dynamic analysis of slender rods. J. Energy Resources Technology, Trans. of ASME, 104, 302-307 
    2. Kim, M.H. and Y.B. Kim. 2002. Hull/mooring/riser coupled dynamic analysis of a tankerbased turret-moored FPSO in deep water. Proc. 13th Int. Offshore and Polar Eng. Conference, ISOPE 
    3. Lee, C.H. 1999. WAMIT User Manual. Dept. of Ocean Engineering, Massachusetts Institute of Technology, Cambridge, M.A 
    4. Wichers, J.E.W. and P.V. Develin. 2001. Effect of coupling of mooring lines and risers on the design values for a turret moored FPSO in deep water of the gulf of mexico. Proc. l lth Int. Offshore and Polar Eng. Conference, ISOPE, 3, 480-487 
    5. Faltinsen, O.M. 1998. Sea Loads on Ships and Offshore Structures. The Cambridge University Press, Cambridge 
    6. Arcandra, T. 2001. Hull/Mooring/Riser Coupled Dynamic Analysis of a Deepwater Floating Platform with Polyester Lines. Ph.D. Dissertation, Texas A&M University 
    7. Wichers, J.E.W. and C. Ji. 2000a. On the coupling term in the low-frquency viscous reaction forces of moored tankers in deep water. Proc. Offshore Technology Conference, OTC 12086 (CD-ROM), Houston, Texas 
    8. Kim, M.H., T. Arcandra and Y.B. Kim. 2001b. Validability of TLP motion analysis against various design methodologies/parameters. Proc. 12th Int. Offshore and Polar Eng. Conference, ISOPE, 3, 465-473 
    9. Baar, J.J.M, C.N. Heyl and G. Rodenbusch. 2000. Extreme responses of turret moored tankers. Proc. Offshore Technology Conference, OTC 12147 (CD-ROM), Houston, Texas 
    10. OCIMF 1994 Prediction of Wind and Current Loads on VLCCs. 2nd Edition, Witherby & Co. Ltd, London, England 
    11. Arcandra, T., P. Nurtjahyo and M.H. Kim. 2002. Hull/mooring/riser coupled analysis of a turret-moored FPSO 6000 ft: comparison between polyester and buoys-steel mooring lines. Proc. 11th Offshore Symposium, The Texas Section of the Society of Naval Architects and Marine Engineers, SNAME, 1-8 
    12. Wichers, J.E.W. 1988. A Simulation Model for a Single Point Moored Tanker. Ph.D. Dissertation, Delft University of Technology, Delft, The Netherlands 
    13. Dean, R.G. and R.A. Dalrymple. 1992. Water Wave Mechanics for Engineers and Scientists. Advanced Series on Ocean Engineering, 2. World Scientific Press, Dover, D.E 
    14. Kim, M.H. 1992. WINPOST V3.0 Users Manual. Dept. of Ocean Engineering, Texas A&M University 
    15. Wichers, J.E.W and C. Ji. 2000b. Deepstar-CTR 4401- theme structure benchmark analysis for tanker based FPSO-GoM. Technical Rep. 15629-1-0E, MARIN, Wageningen, The Netherlands 
    16. Kim, M.H, R.S. Mercier, G. Gu, C. Wu and D. Botelho. 1993. PC-based wave load computation for large volume multi-column structures. Proc. of the 4th Int. Offshore and Polar Eng. Conference, ISOPE 
    17. Ma, W., M.Y. Lee, J. Zou and E. Huang. 2000. Deep water nonlinear coupled analysis tool. Proc. Offshore Technology Conference, OTC 12085 (CD-ROM), Houston, Texas 
    18. Ran, Z. and M.H. Kim. 1997. Nonlinear coupled responses of a tethered spar platform in waves. Proc. of the 8th Int. Offshore and Polar Eng. Conference, ISOPE 
    19. Kim, M.H., T. Arcandra and Y.B. Kim. 2001a. Validability of spar motion analysis against various design methodologies/parameters. Proc. 20th Offshore Mechanics and Arctic Eng. Conference, OMAE01-OFT1063 (CD-ROM), L.A., Califonia 
    20. Ward, E.G., M.B. Irani and R.P. Johnson. 2001. The behavior of a tanker-based FPSO in hurricane waves, Winds, and Currents. Proc. 11th Int. Offshore and Polar Eng. Conference, ISOPE, 4, 650-653 
    21. Wichers, J.E.W, H.J. Voogt, H.W. Roelofs and P.C.M. Driessen. 2001. Deepstar-CTR 4401- benchmark model test. Technical Rep. 16417-1-0B, MARIN, Wageningen, The Netherlands 
    22. Nordgen, R.P. 1974. On computation of the motions of elastic rods. ASME J. Applied Mechanics, 777-780 
  • 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     

 저자의 다른 논문

  • Kim Moo-Hyun (1)

    1. 2005 "Dynamic Analysis of Multiple-Body Floating Platforms Coupled with Mooring Lines and Risers" Journal of ship and ocean technology 9 (1): 11~26    

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