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
... DRILLSHIP -200.0 -400.0 -600.0 - 800.0 4 th 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 ...
... DRILLSHIP -200.0 -400.0 -600.0 - 800.0 4 th 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 ...
Page 406
... DRILLSHIP DEPTH = 1000 m T = 0,925 sec VERTICAL ( m ) HORIZONTAL ( m ) * ( E8 Pa ) RISER DYNAMIC STRESS DRILL SHIP ... drillship . Riser axial stress stress for drillship . and bending RISER DISPLACEMENT SEMISUBMERSIBLE DEPTH = 1000 m T ...
... DRILLSHIP DEPTH = 1000 m T = 0,925 sec VERTICAL ( m ) HORIZONTAL ( m ) * ( E8 Pa ) RISER DYNAMIC STRESS DRILL SHIP ... drillship . Riser axial stress stress for drillship . and bending RISER DISPLACEMENT SEMISUBMERSIBLE DEPTH = 1000 m T ...
Page 407
... drillship . 0.0050- m 0.0040- 0 + / k3 0.0030- 0.0020- 0.0010 20 T ( sec ) when Fig . 11 TEMPLATE VERTICAL MOTION SEMISUBMERSIBLE ( amplitude ) DEPTH = 1000 m 0.60 050- 0.40- 0.30- N 020- 0.10 0.00 . Fig . 9 10 15 10 15 ル T ( sec ) ...
... drillship . 0.0050- m 0.0040- 0 + / k3 0.0030- 0.0020- 0.0010 20 T ( sec ) when Fig . 11 TEMPLATE VERTICAL MOTION SEMISUBMERSIBLE ( amplitude ) DEPTH = 1000 m 0.60 050- 0.40- 0.30- N 020- 0.10 0.00 . Fig . 9 10 15 10 15 ル T ( sec ) ...
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