Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2; Volume 7, Part 2American Society of Mechanical Engineers, 1988 - Arctic regions |
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Page 145
... Ratio of added mass in waves to one in still water of a barge velocity ratio dependence - x191 Catill 5.0 4.8 3.8 2.0 1.0 .8 .8 Fig.17 * 181 PB C 3.0 од 1.8 - 2.8 O Free damping 3.0 Forced oscillation 2x Is B 4.8 Drag coefficient of a ...
... Ratio of added mass in waves to one in still water of a barge velocity ratio dependence - x191 Catill 5.0 4.8 3.8 2.0 1.0 .8 .8 Fig.17 * 181 PB C 3.0 од 1.8 - 2.8 O Free damping 3.0 Forced oscillation 2x Is B 4.8 Drag coefficient of a ...
Page 206
... ratios of approximately 1 to 5. As shown previously the hydrodynamic damping is a function of the response but to a first approximation a damping ratio of 2 to 3 appears reasonable . 4.3 Lift Force The effective lift force has been ...
... ratios of approximately 1 to 5. As shown previously the hydrodynamic damping is a function of the response but to a first approximation a damping ratio of 2 to 3 appears reasonable . 4.3 Lift Force The effective lift force has been ...
Page 330
... ratio . The reference length , S , is given by the following expression S1 = rg / w2 n ( 18 ) where is the acceleration due to gravity and w , is the natural frequency of the platform . The platform system considered herein with 8 ...
... ratio . The reference length , S , is given by the following expression S1 = rg / w2 n ( 18 ) where is the acceleration due to gravity and w , is the natural frequency of the platform . The platform system considered herein with 8 ...
Contents
Catchment Regions of Multiple Dynamic Responses in Nonlinear Problems of Offshore Mechanics | 15 |
OFFSHORE TECHNOLOGY GEOTECHNICAL ENGINEERING | 21 |
Hydrodynamic Forces on a Floating Cylinder in Waves of Finite Depth | 23 |
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added mass amplitude analysis approximately biofouling body boundary breaker breaking waves calculated circular cylinder component computed cylinder damping coefficient diameter diffraction domain drag coefficient drag force dynamic effects exciting force experimental Figure fluid force coefficients forces acting free surface function Green function harmonic Hermite polynomial hindcast hydrodynamic hydrodynamic forces ice mass in-line incident wave inertia integral interaction irregular Kc number linear wave theory load lowerhull maximum measured Mechanics and Arctic method nondimensional nonlinear obtained Ocean Offshore Mechanics offshore structures oscillation parameters platform predicted present ratio Rayleigh distribution regular waves response Reynolds number second order second-order semi-submersible platform semisubmersible shear flow shown simulation solution spectra spectral density spectrum superposition principle surface elevation surge motion tests values velocity potential vibrations vortex shedding w₁ water depth wave drift damping wave drift force wave forces wave frequency wave height wave period