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 394
... corresponding simulations , two observed situations are selected for detailed analysis . For these cases , the measured ( numerical ) wave spectra and the observed wave directions ( i.e. ship heading ) are used as input to the ...
... corresponding simulations , two observed situations are selected for detailed analysis . For these cases , the measured ( numerical ) wave spectra and the observed wave directions ( i.e. ship heading ) are used as input to the ...
Page 395
... corresponding to 20 % of critical damping at eigenfrequency No. 7 ( i.e. T 11.28 sec . ) . This is assumed to be high , but may well be higher . Increasing this damping to 50 % reduces the corresponding standard deviations with approx ...
... corresponding to 20 % of critical damping at eigenfrequency No. 7 ( i.e. T 11.28 sec . ) . This is assumed to be high , but may well be higher . Increasing this damping to 50 % reduces the corresponding standard deviations with approx ...
Page 607
... corresponding boundary conditions for the right end plastic hinge would be M y2 = p sing 2 P cost , ( 9a ) ( 9b ) Additional deformation at the location of a plastic hinge would cause slope discontinuity on both flexural planes as a ...
... corresponding boundary conditions for the right end plastic hinge would be M y2 = p sing 2 P cost , ( 9a ) ( 9b ) Additional deformation at the location of a plastic hinge would cause slope discontinuity on both flexural planes as a ...
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