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
... wave force and hence the wave pitching moment , and these wave forces govern the tendon and hull structural response . The water particle kinematics around pontoon ( at the connection of the pontoon to the column ) are modified by the ...
... wave force and hence the wave pitching moment , and these wave forces govern the tendon and hull structural response . The water particle kinematics around pontoon ( at the connection of the pontoon to the column ) are modified by the ...
Page 251
Open - Loop control wave thruster wave force output on - off control output wave calculation • pulse timing • pulse width data flow output input Fig . 2 Calculation procedures of feedforward control . In and p into Eq . ( 8 ) , the ...
Open - Loop control wave thruster wave force output on - off control output wave calculation • pulse timing • pulse width data flow output input Fig . 2 Calculation procedures of feedforward control . In and p into Eq . ( 8 ) , the ...
Page 254
... wave force .05 0 05 -.1 السلس 5 on - off 10 15 20 20 Fig . 8 Time ( sec . ) Control results of rigid pipe ( wave period 2.3sec . , wave height = 9cm ) . Displacement at transducer ( m ) 2 .1 -.1 .2 012 السلسالسا free .2 .1 -.1 -.2 .2 ...
... wave force .05 0 05 -.1 السلس 5 on - off 10 15 20 20 Fig . 8 Time ( sec . ) Control results of rigid pipe ( wave period 2.3sec . , wave height = 9cm ) . Displacement at transducer ( m ) 2 .1 -.1 .2 012 السلسالسا free .2 .1 -.1 -.2 .2 ...
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 vane vessel wave weight wire