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 437
... damping introduced by fairings . The average period is 1.12 seconds . For comparison purposes , the in - water damping ratio for the cylinder without fairings is below 0.05 , based on similar tests . Period ( s ) Damping Ratio Record 1 ...
... damping introduced by fairings . The average period is 1.12 seconds . For comparison purposes , the in - water damping ratio for the cylinder without fairings is below 0.05 , based on similar tests . Period ( s ) Damping Ratio Record 1 ...
Page 496
... Damping Factors for the Elastic Mooring System It was necessary to estimate damping in the system for the six DOF , which may be applicable to the design of the mooring system . Analytical estimate of this damping is a difficult task ...
... Damping Factors for the Elastic Mooring System It was necessary to estimate damping in the system for the six DOF , which may be applicable to the design of the mooring system . Analytical estimate of this damping is a difficult task ...
Page 497
Table 1 Recommended Estimated Total % Damping Factor in the System Mode Total Damping SURGE 6.0 SWAY 7.0 HEAVE 5.0 ROLL 5.0 PITCH YAW 7.0 5.0 It is recognized that these model values are expected to suffer from scale effects . The main ...
Table 1 Recommended Estimated Total % Damping Factor in the System Mode Total Damping SURGE 6.0 SWAY 7.0 HEAVE 5.0 ROLL 5.0 PITCH YAW 7.0 5.0 It is recognized that these model values are expected to suffer from scale effects . The main ...
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2DOF amplitude analysis ASME axial barge caisson calculated Campos Basin catenary coefficient computed Conference on Offshore configuration contour line convergence Copyright curve damping deck density diameter displacement distribution drag coefficient dynamic effects equation excitation experimental extrapolation Figure flow fluid force FPSO free surface frequency domain Guide Load heave hot spot stress hull hydrodynamic installation jacket kips lift coefficient linear load transfer located longitudinal maximum measured Mechanics and Arctic mesh refinement method mode model test moon pool mooring lines mooring system motion noise nonlinear obtained Offshore Mechanics operation parameters peak Petrobras pipe platform polyester polyester rope Predicted pressure random waves ratio response Reynolds number riser roll S-N curve seastates shear soil spectral spudcan steel stiffness structure Table tension transverse upstream cylinder velocity velocity potential vertical vessel vibration vortex water depth wave height Weibull distribution weld