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 405
... mode 3rd mode 2 nd mode 1 st mode 213 0,90- 0,60- 0,30- 2 3 5 6 7 8 97 / L DEGREE 180- 90- PHASE 0- 90- 180+ 2 3 4 5 6 7 8 97/1 -1000.0 Fig . 3 RISER BOTTON Fig . 2 Natural modes of the riser when coupled with drillship and template ...
... mode 3rd mode 2 nd mode 1 st mode 213 0,90- 0,60- 0,30- 2 3 5 6 7 8 97 / L DEGREE 180- 90- PHASE 0- 90- 180+ 2 3 4 5 6 7 8 97/1 -1000.0 Fig . 3 RISER BOTTON Fig . 2 Natural modes of the riser when coupled with drillship and template ...
Page 472
... mode periods significantly were base width , pile length and pile area . In later work ( Morrison et al 1989 ) it was concluded that these parameters influenced sway - type modes just as significantly in shallower ( 1350ft , 410m ) ...
... mode periods significantly were base width , pile length and pile area . In later work ( Morrison et al 1989 ) it was concluded that these parameters influenced sway - type modes just as significantly in shallower ( 1350ft , 410m ) ...
Page 529
... mode allows the user to transfer physical characteristics from the system to the system model . In this mode a network model of the system could be defined in 3D space using true physical distances . Each defined system figure is a 2D ...
... mode allows the user to transfer physical characteristics from the system to the system model . In this mode a network model of the system could be defined in 3D space using true physical distances . Each defined system figure is a 2D ...
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