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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adsorber amplitude analysis angle Arctic Engineering axial bending buoyancy cable calculated coefficient compliant tower components Conference on Offshore curve damage diameter displacement drag coefficient drilling dynamic effect equation equipment fatigue finite element flexible floating production flow function horizontal hydrodynamic installation jacket kips length linear liquid limit load marine mass matrix maximum measured Mechanics and Arctic method mode mode shapes model tests modulus mooring line mooring system motion natural frequency nonlinear obtained Offshore Mechanics Offshore Technology Conference operation parameters performance pile pipe pipe materials pipeline platform pressure production riser random wave ratio response rope rotation RPIT shear shear modulus shear strength shown in Figure simulation soil static stiffness strength stress structure subsea surface syntactic foam tendon turbine uranium vane velocity vertical vessel water depth wave forces wave height wave power weight wellhead wire