Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 1; Volume 7, Part 1American Society of Mechanical Engineers, 1988 - Arctic regions |
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Page 130
These interactions affect the surge and heave wave force and hence the wave pitching moment , and these wave forces govern the tendon and hull structural response . The water particle kinematics around the pontoon ( at the connection of ...
These interactions affect the surge and heave wave force and hence the wave pitching moment , and these wave forces govern the tendon and hull structural response . The water particle kinematics around the pontoon ( at the connection of ...
Page 251
Open - Loop control wave wave thruster calculation o pulse timing o pulse width the other is on - off control to compensate the principal Fourier component of wave force . In the on - off feedforward control , as shown in Figure 2 ...
Open - Loop control wave wave thruster calculation o pulse timing o pulse width the other is on - off control to compensate the principal Fourier component of wave force . In the on - off feedforward control , as shown in Figure 2 ...
Page 254
1 0 -.1 -.2 .2 .1 0 -.1 2 0 سلسالسيليسيا whole wave force whole wave force · 05 on - oft דייזי 0 .05 -.1 0 و لسلسلسل on - oft 1 5 10 15 20 5 10 15 20 Time ( sec . ) Time ( sec . ) Fig . 8 Control results of rigid pipe ( wave period ...
1 0 -.1 -.2 .2 .1 0 -.1 2 0 سلسالسيليسيا whole wave force whole wave force · 05 on - oft דייזי 0 .05 -.1 0 و لسلسلسل on - oft 1 5 10 15 20 5 10 15 20 Time ( sec . ) Time ( sec . ) Fig . 8 Control results of rigid pipe ( wave period ...
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Contents
FLOATING PRODUCTION SYSTEMS | 1 |
OFFSHORE MECHANICS | 23 |
Early Production Systems in the North | 31 |
Copyright | |
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analysis angle applied axial bending cable calculated characteristics coefficient components Conference connected considered construction cost curve damage depth determined diameter direction displacement distribution dynamic effect element energy Engineering equation equipment fatigue field Figure flexible flow forces frequency function geometry given important included increase installation International joint length limit linear load lower mass material matrix maximum mean measured Mechanics method mode mooring motion natural normal obtained Offshore operation parameters performance period pile pipe pipeline platform position presented pressure problem production range ratio response riser shear shown shows significant soil static stiffness strength stress structure surface Table Technology tension tower turbine unit vane vessel wave weight wire