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 244
TOWER OSCILLATION ( DEG / FT ) 10 15 20 25 Figure 2 Figure 3 VERTICAL PIN LOAD ( LB / FT ) HORIZONTAL PIN LOAD ( LBS / FT ) ENERGY 0.05 DENSITY UNITS 0.04 0.03 2 * 2 SECOMA. Mooring line OSCILLATION Fender NO WAVE DIRECTION PRECESSION ...
TOWER OSCILLATION ( DEG / FT ) 10 15 20 25 Figure 2 Figure 3 VERTICAL PIN LOAD ( LB / FT ) HORIZONTAL PIN LOAD ( LBS / FT ) ENERGY 0.05 DENSITY UNITS 0.04 0.03 2 * 2 SECOMA. Mooring line OSCILLATION Fender NO WAVE DIRECTION PRECESSION ...
Page 385
... oscillation ( logarithmic scale ) versus the upstream flow velocity , U , for ☀ - 258 ° , i.e. , for the flexible cylinder as shown in the in- set diagram vis - à - vis the current vector ; m - 295 , 8 = 0.011 . Q Ø Fig . 4 Strouhal ...
... oscillation ( logarithmic scale ) versus the upstream flow velocity , U , for ☀ - 258 ° , i.e. , for the flexible cylinder as shown in the in- set diagram vis - à - vis the current vector ; m - 295 , 8 = 0.011 . Q Ø Fig . 4 Strouhal ...
Page 426
... oscillation mode of the cable at = 52.5 is shown for variable drag coefficients . It can be regarded as a two node oscillation in which one node is located near the towed vehicle . This is caused by large values of inertia force and ...
... oscillation mode of the cable at = 52.5 is shown for variable drag coefficients . It can be regarded as a two node oscillation in which one node is located near the towed vehicle . This is caused by large values of inertia force and ...
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