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TECHNICAL PAPERS

Maneuvering Model for FPSOs and Stability Analysis of the Offloading Operation

[+] Author and Article Information
Sergio H. Sphaier, Antonio C. Fernandes

COPPE/UFRJ, Brazil

Sylvio H. S. Correa, Gustavo A. V. Castro

E&P/Petrobras, Brazil

J. Offshore Mech. Arct. Eng 124(4), 196-202 (Oct 22, 2002) (7 pages) doi:10.1115/1.1513175 History: Received June 01, 2001; Revised January 01, 2002; Online October 22, 2002
Copyright © 2002 by ASME
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References

Fernandes, A. C., Sphaier, S. H., and Correa, S. H. S., 1998, “The Feasibility of a Central Turret in FPSO Systems,” ASME J. Offshore Mech. Arct. Eng., 121 (77).
Araujo, J. B., 1998, “Sizing of FPSOs and Shuttle Tankers to Develop a Deep Water Oil Field Offshore Brazil,” Proceedings of the 17th International Conference of Offshore Mechanics and Arctic Engineering, OMAE, Lisbon, Portugal.
Parente, C. E., 1999, Private Communication.
Sphaier, S. H., Fernandes, A. C., and Correa, S. H. S., 2000, “Maneuvering Coefficients from Model Test for FPSO’s Station Keeping Behavior,” The XIX International Conference on Offshore Mechanics and Artic Engineering, OMAE 2000, New Orleans, LA.
Newman, J. N., 1978, Marine Hydrodynamics, The MIT Press.
Norrbin, N. H., 1970 “Theory and Observations on the Use of a Mathematical Model for Ship Manoeuvring in Deep and Confined Waters,” Eighth Symposium on Naval Hydrodynamics, Pasadena, CA.
Abkowitz, M. A., 1964, Lectures on Ship Hydrodynamics—Steering Maneuverability, Hydro-Og Aerodydynamisk Laboratorium, Hy-5, Lyngby, Denmark.
Eda, H., and Crane, C. L. Jr., 1965, “Steering Characteristics of Ships in Calm Water and Waves,” Transaction of SNAME.
Roseman, D. P., 1987, “The MARAD Systematic Series of Full-Form Ship Model,” SNAME, Jersey City, NJ.
Sphaier, S. H., Fernandes, A. C., and Correa, S. H. S., 2000, “Maneuvering Model for the FPSO Horizontal Plane Behavior,” X Int. Conf. on Offshore and Polar Engineering, ISOPE’2000, Seattle.
Sphaier, S. H., Fernandes, A. C., Pontes, L. G. S., and Correa, S. H. S., 1998, “Waves and Current Influence in the FPSO Dynamics,” VIII Int. Conf. on Offshore and Polar Engineering, ISOPE’98, Montreal, Canada.
Fernandes, A. C., and Sphaier, S. H., 1997, “Dynamic Analysis of a FPSO System,” Int. Conf. on Offshore and Polar Engineering, ISOPE’97, Honolulu, Hawaii, USA.
Pontes, L. G. S., and Sphaier, S. H., 1996, “SDIN—A System for the Dynamic Analysis of Floating Systems,” XVI Brazilian Congress in Maritime Transportation, Naval and Offshore Engineering (in Portuguese), SOBENA’96, Rio de Janeiro, Brazil.
Sphaier, S. H., Fernandes, A. C., and Correa, S. H. S., 1999, “The Unstable Offloading of a FPSO,” IX Int. Conf. on Offshore and Polar Engineering, ISOPE’99, Brest, France.
Castro, G. A. V., 2001, “Conceptual Design of FPSO Provided with an Internal Turret,” M.Sc. thesis, COPPE/UFRJ, Federal University of Rio de Janeiro, Brazil (in Portuguese).
Leite, A. J. P., 1997, “Current Forces on Tankers and Bifurcation in Turret System,” M.Sc. Thesis, Dept. of Ocean Engineering, University of São Paulo, Brazil (in Portuguese).

Figures

Grahic Jump Location
Stability analysis of a ship model in SPM
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Stability analysis of the offloading operation
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Stability analysis of the offloading operation
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Planar motion of the center of gravity of the FPSO and the shuttle ships, each one in SPM; displacements in meters
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Planar motion of the center of gravity of the FPSO and the shuttle ships in the offloading condition; displacements in meters
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General plan of the new FPSO hull
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Stability test: comparison of experimental data with published theoretical
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Comparison of experimental and adjusted results for the turn moment
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Comparison of experimental and adjusted results for the lateral force
Grahic Jump Location
Stability analysis of a ship model in SPM

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