Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 10American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 498
... force is much larger , however . Consider for instance Fig . 1a , in which the maximum force during each motion cycle may vary by several hundred percent . In other words : a very irregular hydrodynamic force drives an almost regular ...
... force is much larger , however . Consider for instance Fig . 1a , in which the maximum force during each motion cycle may vary by several hundred percent . In other words : a very irregular hydrodynamic force drives an almost regular ...
Page 658
... force component . A comparison of the calculated results of both frequencies with the linear experimental results shows that with both frequencies there is little agreement ; this is the amplitude effect in the wave exciting force in ...
... force component . A comparison of the calculated results of both frequencies with the linear experimental results shows that with both frequencies there is little agreement ; this is the amplitude effect in the wave exciting force in ...
Page 682
... force in the X ( Y ) axis - current moment about the Z axis - thruster force -time constant of the ship thrusters ( 4 ) : Wave Forces Only the steady drift forces and moments due to waves are considered . The following empirical ...
... force in the X ( Y ) axis - current moment about the Z axis - thruster force -time constant of the ship thrusters ( 4 ) : Wave Forces Only the steady drift forces and moments due to waves are considered . The following empirical ...
Contents
CASE HISTORIES OFFSHORE STRUCTURES | 331 |
OFFSHORE TECHNOLOGY PART | 337 |
OFFSHORE STRUCTURE CONCEPTS | 361 |
Copyright | |
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acceleration accelerometers added mass amplitude axial beam behaviour bending stiffness cable calculated Campos Basin catenary coefficient compliant tower components curvature curves cylinder damping ratio deck deformation developed diameter displacement drag drag coefficient dynamic analysis dynamic response effect Ekofisk elastic Engineering equation finite element finite element method flexible pipe fluid force free-fall lifeboat frequency domain hydrodynamic hydrodynamic damping impact in-span installation jack jacket joint launch length lift force linear load Mathieu Mathieu equation measured Mechanics meters method mode mode shape motion natural frequency nodal nodes nonlinear obtained Offshore Structures OMAE operation oscillation parameters phase pile platform pressure rotation seabed semi-rigid shear shown in Figure skin friction soil solution SPUS static analysis stiffness matrix submarine subsea support point tension tether torque transverse values vector velocity vertical vessel vibration Volume I-B water depth