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 269
... vertical loads act at the mass point . Since the effect of vertical load eccentricities is significant for TRAP , the lateral force at level i is modified in the form : and - P1 = W1 ( u1 - u2 ) / h1 + P11 / h1 Pi = i - 1 Σ ( B.3 ) ( Ui ...
... vertical loads act at the mass point . Since the effect of vertical load eccentricities is significant for TRAP , the lateral force at level i is modified in the form : and - P1 = W1 ( u1 - u2 ) / h1 + P11 / h1 Pi = i - 1 Σ ( B.3 ) ( Ui ...
Page 376
... vertical coordinate , see Fig . 3 vertical coordinate , shifted origin - horizontal displacement of riser axis , see Fig . 3 - j - th modeshape - see ( 12 ) - see ( 11 ) EB , Et - see ( 24 ) 3 W j , 0 INTRODUCTION - frequency , see ( 9 ) ...
... vertical coordinate , see Fig . 3 vertical coordinate , shifted origin - horizontal displacement of riser axis , see Fig . 3 - j - th modeshape - see ( 12 ) - see ( 11 ) EB , Et - see ( 24 ) 3 W j , 0 INTRODUCTION - frequency , see ( 9 ) ...
Page 425
... vertical plane , which are ( surge - heave - pitch ) motions of the vehicle and oscillation of the cable in vertical plane . The motions are assumed to be so small that we can solve the problem by a linear theory . Referring to Fig . 2 ...
... vertical plane , which are ( surge - heave - pitch ) motions of the vehicle and oscillation of the cable in vertical plane . The motions are assumed to be so small that we can solve the problem by a linear theory . Referring to Fig . 2 ...
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