Low-Frequency Motions of Tankers on Tandem Offloading Condition

AuthorsFeikema, G.J., Huijsmans, R.H.M., Aalbers, A.B.
Conference/JournalOffshore Technology Conference (OTC), Houston, Texas, USA
DateMay 1, 1992
DOIhttps://doi.org/10.4043/6945-MS
In this paper a number of hydrodynamic aspects of tandem mooring operations of floating VLCCS will be discussed. The effect of shielding of the wind and current on the export tanker are established by means of model test experiments. The interaction of two floating vessels on the wave drift forces exerted on each other is treated by means of potential theory calculation methods. One of the findings of this study is that the current loads and wave drift forces on the export tanker are reduced with respect to the undisturbed case, provided that the F(P)SO heading angle is close to 180 deg. However, for larger heading angles even an increase of the longitudinal forces on the export tanker can be observed.

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Tags
stability, seakeeping and ocean engineeringwaves, impacts and hydrostructuralcfd developmentcfd/simulation/desk studiesmeasurements and controldata sciencetime-domain simulationsrenewablesoil and gasinfrastructuremarine systemslife at seatransport and shippingmodel testingmooring and offloadingmotionsoffloadingsimulationwavesoffshore engineering