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 TORQUE STIFFNESS ON THE GLOBAL BEHAVIOR OF FLEXIBLE RISERS AND UMBILICALS Ivar Fylling Marintek A / S Trondheim , Norway Arild Bech Sintef Structural Engineering Trondheim , Norway 1 Abstract Flexible risers and ...
... INTERNAL FRICTION AND TORQUE STIFFNESS ON THE GLOBAL BEHAVIOR OF FLEXIBLE RISERS AND UMBILICALS Ivar Fylling Marintek A / S Trondheim , Norway Arild Bech Sintef Structural Engineering Trondheim , Norway 1 Abstract Flexible risers and ...
Page 490
... Internal friction related to bending 4.1 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 4.1 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 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