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 423
... vessel during the im- pact , and a realistic description of the local deformation zone at the point of impact . The equations of motion for the vessel and the platform are solved simultaneously in the time domain , and the overall ...
... vessel during the im- pact , and a realistic description of the local deformation zone at the point of impact . The equations of motion for the vessel and the platform are solved simultaneously in the time domain , and the overall ...
Page 424
... Vessel The equations of motion for the vessel are ex- pressed in a coordinate system moving with the vessel and with its origin at midship , see Fig . 2 . SHIP XG COLLISION FORCE Xi PLATFORM Figure 1 Simplified Ship Collision Model The ...
... Vessel The equations of motion for the vessel are ex- pressed in a coordinate system moving with the vessel and with its origin at midship , see Fig . 2 . SHIP XG COLLISION FORCE Xi PLATFORM Figure 1 Simplified Ship Collision Model The ...
Page 492
... vessel or by lateral , out - of - plane loads on a curved riser . In this paper we will only discuss effects of vessel movement . Three types of vessel movement may be considered : Translation in the line plane This will only cause ...
... vessel or by lateral , out - of - plane loads on a curved riser . In this paper we will only discuss effects of vessel movement . Three types of vessel movement may be considered : Translation in the line plane This will only cause ...
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