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 318
I ( x ) Galloping Amplitude ( Ft . ) 15 . ( U / Uc ) Fig . 3. Structural dimensions and mode shape Fig . 4. Galloping amplitude from first order analysis 20 . follows : = = pD 2ml Col2647.75 u2 ( x6 ) ] 61 - D C1 [ 1353.47 U ( x ...
I ( x ) Galloping Amplitude ( Ft . ) 15 . ( U / Uc ) Fig . 3. Structural dimensions and mode shape Fig . 4. Galloping amplitude from first order analysis 20 . follows : = = pD 2ml Col2647.75 u2 ( x6 ) ] 61 - D C1 [ 1353.47 U ( x ...
Page 319
... amplitude T ( Second ) Fig . 9. Galloping amplitude when U ( x ) = 40 fps using numerical integration 100 156 200 U ( FPS ) CONCLUSION One can depend on the first order perturbation analysis in evaluating the galloping amplitude of ...
... amplitude T ( Second ) Fig . 9. Galloping amplitude when U ( x ) = 40 fps using numerical integration 100 156 200 U ( FPS ) CONCLUSION One can depend on the first order perturbation analysis in evaluating the galloping amplitude of ...
Page 497
amplitude is sufficiently small the motion will stop due to friction . It can further be shown that this occurs as a ... amplitude interval as experienced during the submarine impact . Extrapolations to other motion amplitude intervals ...
amplitude is sufficiently small the motion will stop due to friction . It can further be shown that this occurs as a ... amplitude interval as experienced during the submarine impact . Extrapolations to other motion amplitude intervals ...
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