Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 14American Society of Mechanical Engineers, 1995 - Arctic regions |
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Page 22
... hydrodynamic forces and frequency dependent hydrodynamic coefficients from which the retardation functions are constructed are calculated using three- dimensional linear diffraction theory and two - dimensional strip theory approach ...
... hydrodynamic forces and frequency dependent hydrodynamic coefficients from which the retardation functions are constructed are calculated using three- dimensional linear diffraction theory and two - dimensional strip theory approach ...
Page 89
... hydrodynamic damping matrix are derived from the force component due to structural deformations . It is demonstrated that the mean value hydrodynamic damping ratios which are calculated in the paper are more realistic than those ...
... hydrodynamic damping matrix are derived from the force component due to structural deformations . It is demonstrated that the mean value hydrodynamic damping ratios which are calculated in the paper are more realistic than those ...
Page 93
... hydrodynamic damping which is taken as time dependent . In this paper , a finite element modelling of the tower with 10 elements is used . The lowest natural frequency is obtained as @ _ = 1.139 rad / sec . whereas the one degree of ...
... hydrodynamic damping which is taken as time dependent . In this paper , a finite element modelling of the tower with 10 elements is used . The lowest natural frequency is obtained as @ _ = 1.139 rad / sec . whereas the one degree of ...
Contents
DESIGN OF OFFSHORE STRUCTURES | 1 |
Aarsnes | 11 |
A Novel Design Procedure for Jacket Installations | 19 |
Copyright | |
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acceptance criteria added mass ALARP amplitude analysis angle Axial load barge behaviour bending buckling buoy calculated Campos Basin catastrophe sets coefficients collision compliant tower components computed configuration crack crane crane vessel cycles cyclic cylinder damping damping ratio Designer Wave diameter displacement drilling dynamic effects element equation fatigue flexjoint function global heave horizontal hydrodynamic installation ISSC TLP jacket joint lift lift forces linear load kN maximum measured mesh mode model test mooring line motion natural frequency nonlinear obtained Ocean Ocean Ranger Offshore Technology operation oscillation panel parameters platform predicted Quickwave ratio response riser risk shear simulation specimen SSCV Statoil steel stiffness strain stress surge tanker tension tension leg platform transverse tube tubular USFOS values velocity vertical vessel vibration vortex induced vibrations vortex shedding water depth wave forces wave height wave period weight weld toe wellhead wind windspeed