Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, Parts 1-2American Society of Mechanical Engineers, 2004 - Arctic regions |
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Page 23
... DIRECTION ON VIV OF A STEEL CATENARY RISER C. Le Cunff ' , D. Averbuch , F. Biolley Institut Français du Pétrole , 1 ... direction . Therefore , for current which are not in- plane or out - of - plane , the mode selection is not possible ...
... DIRECTION ON VIV OF A STEEL CATENARY RISER C. Le Cunff ' , D. Averbuch , F. Biolley Institut Français du Pétrole , 1 ... direction . Therefore , for current which are not in- plane or out - of - plane , the mode selection is not possible ...
Page 27
... direction and is well described by the dominant mode in the crossflow direction . 8.E - 03 6.E - 03 Crossflow For the 45 ° current , in - line and crossflow behaviors are similar and the vibration distribution is comparable to the ...
... direction and is well described by the dominant mode in the crossflow direction . 8.E - 03 6.E - 03 Crossflow For the 45 ° current , in - line and crossflow behaviors are similar and the vibration distribution is comparable to the ...
Page 28
... direction . For modes above 10 , the eigenshapes and eigenfrequencies are independent of the Figure 7 : Influence of the current direction at higher current velocity on the amplitude of vibrations . Regarding the in - line vibrations ...
... direction . For modes above 10 , the eigenshapes and eigenfrequencies are independent of the Figure 7 : Influence of the current direction at higher current velocity on the amplitude of vibrations . Regarding the in - line vibrations ...
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amplitude analysis ASME axial barge caisson calculated Campos Basin catenary coefficient comparison computed Conference on Offshore configuration Copyright damping deck diameter diffraction displacement draft drag drag coefficient dynamic effect equations Figure finite element flow fluid force FPSO frequency domain heave hot spot stress hull hydrodynamic installation interaction jacket kips linear load load transfer located longitudinal maximum measured Mechanics and Arctic method mode model test Model-I mooring lines mooring system motion nonlinear numerical obtained Offshore Mechanics offshore structures parameters peak performed Petrobras pipe platform polyester predicted pressure ratio Rayleigh distribution response Reynolds number riser Riser Tensioning S-N curve seastates shear shown in Fig simulation soil spectral spectrum spudcan steel stiffness subsea Table transverse upstream cylinder values velocity velocity potential vertical vessel vibration vortex vortex induced vibrations water depth wave height Weibull distribution Y Force