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
... ship impact is a dynamic phenomenon and the dy- namic global load effects can be significant , especial- ly for small platforms where dynamic loads from the ship impact can be larger than the extreme environ- mental loads and the ship ...
... ship impact is a dynamic phenomenon and the dy- namic global load effects can be significant , especial- ly for small platforms where dynamic loads from the ship impact can be larger than the extreme environ- mental loads and the ship ...
Page 424
... SHIP XG COLLISION FORCE Xi PLATFORM Figure 1 Simplified Ship Collision Model The phases of a ship impact . Phase 1 : The ship hits the platform and accelerates it until ship and platform have the same veloc- ity . Plastic deformation of ...
... SHIP XG COLLISION FORCE Xi PLATFORM Figure 1 Simplified Ship Collision Model The phases of a ship impact . Phase 1 : The ship hits the platform and accelerates it until ship and platform have the same veloc- ity . Plastic deformation of ...
Page 587
... ship in 1961 , had a free - fall height of about six meters and was made of aluminum . The concept again laid dormant until 1973 when two serious ship disasters occurred . After these accidents , the Nordic maritime authorities ...
... ship in 1961 , had a free - fall height of about six meters and was made of aluminum . The concept again laid dormant until 1973 when two serious ship disasters occurred . After these accidents , the Nordic maritime authorities ...
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