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 435
... Force 1 and Force 2 are the spring forces in the collision model , Fig . 3 . Force MN 15 10 5 Force 2 的 Force 1 Time 0.55 1.05 1.55 2.05 0 Fig . 8 Dynamic collision simulation Force 1 is the collision force while the difference between ...
... Force 1 and Force 2 are the spring forces in the collision model , Fig . 3 . Force MN 15 10 5 Force 2 的 Force 1 Time 0.55 1.05 1.55 2.05 0 Fig . 8 Dynamic collision simulation Force 1 is the collision force while the difference between ...
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 ...
Contents
CASE HISTORIES OFFSHORE STRUCTURES | 331 |
OFFSHORE TECHNOLOGY PART | 337 |
OFFSHORE STRUCTURE CONCEPTS | 361 |
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acceleration accelerometers added mass amplitude axial behaviour bending stiffness cable calculated Campos Basin catenary coefficient components coordinate 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 flexible riser fluid free-fall lifeboat frequency domain hydrodynamic hydrodynamic damping impact in-span installation jack jacket joint launch length lifeboat lift force linear load Mathieu Mathieu equation measured Mechanics meters method mode mode shape motion natural frequency nodal nodes nonlinear obtained Offshore Structures Offshore Technology ASME OMAE operation oscillation parameters phase pile platform pressure ratio rotation seabed 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