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
... 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 deviations may ...
... 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 deviations may ...
Page 491
... friction , rotation and torque The internal friction model described in the preceding section in- cludes only the moment - curvature relationship in one plane . In the simplest modelling the friction moment remains unchanged when the ...
... friction , rotation and torque The internal friction model described in the preceding section in- cludes only the moment - curvature relationship in one plane . In the simplest modelling the friction moment remains unchanged when the ...
Page 493
... friction . Simple formulas have been derived to calculate expected rotation and torsion , and examples of results are shown . The existence of internal friction in the form of hysteresis in the bending moment - curvature relationship ...
... friction . Simple formulas have been derived to calculate expected rotation and torsion , and examples of results are shown . The existence of internal friction in the form of hysteresis in the bending moment - curvature relationship ...
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