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 250
... thrust become a sequence of thrust pulses against the continuously fluctuating wave force , and the entire wave force can not be compensated . In the experimental system , narrow band spectrum of wave is assumed , and a wave height ...
... thrust become a sequence of thrust pulses against the continuously fluctuating wave force , and the entire wave force can not be compensated . In the experimental system , narrow band spectrum of wave is assumed , and a wave height ...
Page 252
... thrust is calculated from the surface elevation and is output Start Input ⚫ wave condition Calculation coefficient ... thrust and feedforward thrust is superposed and output when the wave reaches the model . Output timing of feedforward ...
... thrust is calculated from the surface elevation and is output Start Input ⚫ wave condition Calculation coefficient ... thrust and feedforward thrust is superposed and output when the wave reaches the model . Output timing of feedforward ...
Page 254
... thrust and the negative sign means the thrust is applied in the direction of wave travel . The bottom diagram shows the surface elevation at the model . Inertial force is dominant in this model and wave condition . Comparison between ...
... thrust and the negative sign means the thrust is applied in the direction of wave travel . The bottom diagram shows the surface elevation at the model . Inertial force is dominant in this model and wave condition . Comparison between ...
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