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 280
... SURGE. stiffness coefficients of lower and upper columns , respectively centre of mass from ith joint of lower and upper columns , respectively length of the ith column mass of ship added - mass Oscillation of ship in surge added - mass ...
... SURGE. stiffness coefficients of lower and upper columns , respectively centre of mass from ith joint of lower and upper columns , respectively length of the ith column mass of ship added - mass Oscillation of ship in surge added - mass ...
Page 287
Surge ( m / m ) 2.0 1.5 1.0 5 - DOF Surge 2 - DOF Surge Exper.Set 1 Exper . Set 2 0.5 Pitch ( degrees / m ) 1.0 0.8 0.6 0.4 0.2 0.0 0.0 0.0 0.2 0.4 0.0 0.2 0.4 0.6 0.8 1.0 Angular Freq . ( rad / s ) wave direction Fig.13 Surge r.a.o. of ...
Surge ( m / m ) 2.0 1.5 1.0 5 - DOF Surge 2 - DOF Surge Exper.Set 1 Exper . Set 2 0.5 Pitch ( degrees / m ) 1.0 0.8 0.6 0.4 0.2 0.0 0.0 0.0 0.2 0.4 0.0 0.2 0.4 0.6 0.8 1.0 Angular Freq . ( rad / s ) wave direction Fig.13 Surge r.a.o. of ...
Page 359
... ( surge and sway ) of the vessel are considered important . Time histories of surge motion can be transformed inversely from the surge motion spectrum X ( w ) by the Fourier analysis techniques , if the realistic time history data of surge ...
... ( surge and sway ) of the vessel are considered important . Time histories of surge motion can be transformed inversely from the surge motion spectrum X ( w ) by the Fourier analysis techniques , if the realistic time history data of surge ...
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