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 7
... cylinder is located at Position 4 and the third cylinder Position A. The effect of the relative position on the drags of the downstream cylinders can be demonstrated by comparing Figure 6 with Figure 7 where the second cylinder is moved ...
... cylinder is located at Position 4 and the third cylinder Position A. The effect of the relative position on the drags of the downstream cylinders can be demonstrated by comparing Figure 6 with Figure 7 where the second cylinder is moved ...
Page 227
... cylinder , for a pure tandem ( no offset ) configuration , experiences less vibration than the upstream cylinder when the upstream cylinder rms displacement is larger than about 0.35D . Offsets of 0.5 and 1.0 times the outside diameter ...
... cylinder , for a pure tandem ( no offset ) configuration , experiences less vibration than the upstream cylinder when the upstream cylinder rms displacement is larger than about 0.35D . Offsets of 0.5 and 1.0 times the outside diameter ...
Page 231
... cylinders . The first is that the downstream cylinder experiences forces at frequencies from both its own " irregular " vortex shedding as well as from vortices shed by the upstream cylinder ; the second is that when the upstream cylinder ...
... cylinders . The first is that the downstream cylinder experiences forces at frequencies from both its own " irregular " vortex shedding as well as from vortices shed by the upstream cylinder ; the second is that when the upstream cylinder ...
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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