Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 123
... Computed spectrum - Measured spectrum The theoretically computed spectrum using Eqns . ( 4 ) and ( 5 ) has been plotted with measured spectrum for compari- son , Fig.5 . The spectral density of total horizontal wave force S = ( f ) for ...
... Computed spectrum - Measured spectrum The theoretically computed spectrum using Eqns . ( 4 ) and ( 5 ) has been plotted with measured spectrum for compari- son , Fig.5 . The spectral density of total horizontal wave force S = ( f ) for ...
Page 124
... ( Computed ) = 88.239 kg . 0-600 0.700 Frequency , Hz 0-800 0.90C SINGLE CYLINDER TOTAL FORCE SPECTRUM ( COMPUTED ) SPECTRAL RANGE : 0.5-2.5 Hz 4. ARRAY OF CYLINDERS The results from the evaluated data of the experi- ments and theoretical ...
... ( Computed ) = 88.239 kg . 0-600 0.700 Frequency , Hz 0-800 0.90C SINGLE CYLINDER TOTAL FORCE SPECTRUM ( COMPUTED ) SPECTRAL RANGE : 0.5-2.5 Hz 4. ARRAY OF CYLINDERS The results from the evaluated data of the experi- ments and theoretical ...
Page 146
... computed values by the linear diffraction / radiation theory . The overall comparison of the added mass coefficients was reasonably good . The computed radiation damping was subtracted from the measured values . The residual viscous ...
... computed values by the linear diffraction / radiation theory . The overall comparison of the added mass coefficients was reasonably good . The computed radiation damping was subtracted from the measured values . The residual viscous ...
Contents
OCEAN WAVES | 1 |
OFFSHORE TECHNOLOGY PART A | 17 |
Application of Optical Techniques to Water Surface Measurement | 27 |
Copyright | |
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added mass amplitude analysis calculated circular cylinder computed cosh damping coefficient damping factor density diffraction directional wave domain drag coefficient drag force drift force dynamic effect Engineering equation estimated experimental fluid force coefficients forces acting forward speed free surface heave horizontal hydrodynamic hydrodynamic forces incident wave inertia coefficients inline force integral irregular JONSWAP Kc number lift force linear load low-frequency low-frequency oscillation maximum measured method Moire Topography motion nonlinear obtained offshore structures parameters peak pile predicted quadratic rad/sec radiation condition ratio regular waves response resultant force Reynolds number Sarpkaya second-order semisubmersible shown in Figure simulation solution spectral density spectrum surface elevation surge swing tanker transfer function transverse force velocity potential viscous vortex shedding vortices water depth wave amplitude wave direction wave drift damping wave excitation wave force wave frequency wave height wave number wave period wave power