Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 341
... motion motion equations 6 , 7 and 8 were also solved in the frequency domain by calculating wave and rigid - body motion induced forces and moments on the buoys at the still water level and thus ignoring the non - linearities and ...
... motion motion equations 6 , 7 and 8 were also solved in the frequency domain by calculating wave and rigid - body motion induced forces and moments on the buoys at the still water level and thus ignoring the non - linearities and ...
Page 405
... MOTION TOP 1,20- X = 90 ° SEMI SUBMERSIBLE DRILLSHIP -200.0 -400.0 -600.0 - 800.0 4 th mode 3rd mode 2 nd mode 1 st ... motion response for semisubmersible and drillship in beam waves . shown in those Figures are in calculated in the ...
... MOTION TOP 1,20- X = 90 ° SEMI SUBMERSIBLE DRILLSHIP -200.0 -400.0 -600.0 - 800.0 4 th mode 3rd mode 2 nd mode 1 st ... motion response for semisubmersible and drillship in beam waves . shown in those Figures are in calculated in the ...
Page 497
... motion amplitudes , damping ratios in the range of 0.5 % to 3 % were estimated . This result is for one specific accelerometer and natural frequency . However , very similar results were obtained from the other measurements . It should ...
... motion amplitudes , damping ratios in the range of 0.5 % to 3 % were estimated . This result is for one specific accelerometer and natural frequency . However , very similar results were obtained from the other measurements . It should ...
Contents
COMPLIANT STRUCTURES | 313 |
Identification of NonLinear Effects in Predicting the Motion Response of Mobile Platforms | 337 |
RISERSMOORINGSCABLES | 345 |
Copyright | |
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amplitude analysis array axial beam Beaufort Sea behaviour bending moment bow quartering brace buoy buoyancy cable calculated compliant towers configuration curvature curve damping deck deflection developed diesel displacement distribution drag coefficient drillship dynamic Engineering environmental equation fatigue flexible riser force function heave horizontal hydrodynamic in-plane installation interaction jacket length linear load combination marine riser matrix maximum measured method mode mooring system Non-dim nonlinear obtained offshore structures Oseberg parameters phase pipe platform predicted problem Prudhoe Bay pycnocline ratio Rayleigh distribution relative response riser system riser tensioner rotating rubber fender seastates shaft shown in Figure simulation soil solution static stiffness Stirling Stirling Engine storage barge strain submarine surface Table template tension tests tion tower trawl Trondheim truss underwater values vector velocity vertical vessel water depth wave height wave load wave period