The topic of this paper is the roll motion prediction of ship-shaped FPSO’s, designed for continuous operation at site location. The maximum roll amplitude is a critical operability parameter which is difficult to predict accurately due to the nonlinear roll damping associated with the appendages. This paper contributes to the understanding of roll damping physics through model test results, CFD simulations and potential flow predictions. The model tests discussed concern two different Floating Production, Storage and Offloading (FPSO) units, designed by SBM as spread-moored units for operation offshore Brazil. The relevant roll damping appendages are the bilge keels on both sides and the submerged riser balcony on one side of the vessel. In particular the riser balcony complicates the motion prediction and was a main reason for the model tests and CFD investigation. The results presented focus on roll motion prediction in the frequency domain.
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ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering
June 19–24, 2011
Rotterdam, The Netherlands
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-4438-0
PROCEEDINGS PAPER
On Roll Hydrodynamics of FPSO’s Fitted With Bilge Keels and Riser Balcony
R. van ’t Veer,
R. van ’t Veer
GustoMSC, Schiedam, The Netherlands
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J. G. Kherian
J. G. Kherian
GustoMSC, Schiedam, The Netherlands
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R. van ’t Veer
GustoMSC, Schiedam, The Netherlands
F. Fathi
GustoMSC, Schiedam, The Netherlands
J. G. Kherian
GustoMSC, Schiedam, The Netherlands
Paper No:
OMAE2011-49356, pp. 257-268; 12 pages
Published Online:
October 31, 2011
Citation
van ’t Veer, R, Fathi, F, & Kherian, JG. "On Roll Hydrodynamics of FPSO’s Fitted With Bilge Keels and Riser Balcony." Proceedings of the ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. Volume 6: Ocean Engineering. Rotterdam, The Netherlands. June 19–24, 2011. pp. 257-268. ASME. https://doi.org/10.1115/OMAE2011-49356
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