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 490
... curvature . This is implemented in a computer program , see [ 2 ] , as an option for speci- fying different unloading / reloading curves , socalled hysteresis loops , in the bending moment / curvature relation for the cross - section ...
... curvature . This is implemented in a computer program , see [ 2 ] , as an option for speci- fying different unloading / reloading curves , socalled hysteresis loops , in the bending moment / curvature relation for the cross - section ...
Page 491
... curvature change is in the same direction as the last change . If the curvature change is in the opposite direction , the friction moment will change sign . In order to describe the out - of - plane deformation and also rotation of a ...
... curvature change is in the same direction as the last change . If the curvature change is in the opposite direction , the friction moment will change sign . In order to describe the out - of - plane deformation and also rotation of a ...
Page 494
reloading curve B Curve A applied from a hat he you curvature curvature Curve B applied from b unloading A curve 1a 1b 1c MOMENT 45 1.0 0.5 0.0 0.5 -1.0 MOMENT / CURVATURE RELATION Fushc Static position Figure 1 : Modelling of internal ...
reloading curve B Curve A applied from a hat he you curvature curvature Curve B applied from b unloading A curve 1a 1b 1c MOMENT 45 1.0 0.5 0.0 0.5 -1.0 MOMENT / CURVATURE RELATION Fushc Static position Figure 1 : Modelling of internal ...
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