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 307
... vertical displacement Figure 6. shows a result of Fourier transform of a time history of force acting on the cylinder in Fig . 4. Figure 7 . shows the corresponding result of Fourier transform of a time history of vertical displacement ...
... vertical displacement Figure 6. shows a result of Fourier transform of a time history of force acting on the cylinder in Fig . 4. Figure 7 . shows the corresponding result of Fourier transform of a time history of vertical displacement ...
Page 308
... ( vertical ) force , i.e. , lift coefficient during VIV can be estimated by using amplitude of vertical displacement at the top peak frequency . The estimated lift coefficients similar to the measured lift coefficients with the vertical ...
... ( vertical ) force , i.e. , lift coefficient during VIV can be estimated by using amplitude of vertical displacement at the top peak frequency . The estimated lift coefficients similar to the measured lift coefficients with the vertical ...
Page 401
... vertical force · Fw - weight of riser FVIV force caused by the VIV · Gg - pressure gradient due to gravity Gu - pressure gradient due to viscous friction Ga - pressure gradient due to acceleration of the fluid along the flowline G1 ...
... vertical force · Fw - weight of riser FVIV force caused by the VIV · Gg - pressure gradient due to gravity Gu - pressure gradient due to viscous friction Ga - pressure gradient due to acceleration of the fluid along the flowline G1 ...
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Common terms and phrases
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