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 489
... internal friction and demonstrates by FEM calculations how the internal friction affects the global behaviour when the surface vessel is moving . Further , the effects of boundary conditions , in particular clamping angles and swivel ...
... internal friction and demonstrates by FEM calculations how the internal friction affects the global behaviour when the surface vessel is moving . Further , the effects of boundary conditions , in particular clamping angles and swivel ...
Page 490
... Internal friction related to bending Numerical modelling of internal friction The present models for internal friction are prepared in order to model expected deviations from elastic bending moment - curvature relations . Such ...
... Internal friction related to bending Numerical modelling of internal friction The present models for internal friction are prepared in order to model expected deviations from elastic bending moment - curvature relations . Such ...
Page 564
... internal damping mechanisms , experiments on a free hanging unpressurised flexible pipe ( Lyons and Fang , 1989 ) have shown that at least two sources of damping can be identified during vibrations : ( a ) Coulomb friction damping ...
... internal damping mechanisms , experiments on a free hanging unpressurised flexible pipe ( Lyons and Fang , 1989 ) have shown that at least two sources of damping can be identified during vibrations : ( a ) Coulomb friction damping ...
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 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