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
... Natural modes of the riser when coupled with drillship and template . Initially , the natural frequencies of overall system have been solved . An example of obtained natural periods of each component body of the system is shown in the ...
... Natural modes of the riser when coupled with drillship and template . Initially , the natural frequencies of overall system have been solved . An example of obtained natural periods of each component body of the system is shown in the ...
Page 424
... natural frequency of vertical vibrations and the natural frequency and amplitude of horizontal vibrations were computed following the approach suggested by Novak and El - Sharnouby ( 1983 ) and Prakash and Puri ( 1988 ) and Beredugo and ...
... natural frequency of vertical vibrations and the natural frequency and amplitude of horizontal vibrations were computed following the approach suggested by Novak and El - Sharnouby ( 1983 ) and Prakash and Puri ( 1988 ) and Beredugo and ...
Page 580
... natural period of a surface ship is given by the equation : where Aw.p given by T = 2π HEAVE V ( 1 + A ) gA 33 ' w.p ... natural period . A smaller GMT gives a long natural period , as seen with the SWATH1 , but this lower GMT results in ...
... natural period of a surface ship is given by the equation : where Aw.p given by T = 2π HEAVE V ( 1 + A ) gA 33 ' w.p ... natural period . A smaller GMT gives a long natural period , as seen with the SWATH1 , but this lower GMT results in ...
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