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 2 - Measured spectrum Ty ( f ) = ( 2f ) 2 cosh2kz sinh2kd ( 5 ) The theoretically computed spectrum using Eqns . ( 4 ) and ( 5 ) has been plotted with measured spectrum for compari- son , Fig.5 . The spectral density ...
... Computed spectrum 2 - Measured spectrum Ty ( f ) = ( 2f ) 2 cosh2kz sinh2kd ( 5 ) The theoretically computed spectrum using Eqns . ( 4 ) and ( 5 ) has been plotted with measured spectrum for compari- son , Fig.5 . The spectral density ...
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 |
Simulation of Hurricane Seas in a Multidirectional Wave Basin | 17 |
OFFSHORE MECHANICS AND ARCTIC ENGINEERING | 25 |
Copyright | |
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added mass amplitude analysis applied array assumed body boundary calculated circular cylinder coefficient comparison component computed considered constant corresponding crest cylinder damping defined depends depth determined direction distribution domain drag coefficient drift dynamic effect elevation Engineering equation estimated experimental experiments factor field Figure flow fluid forward frequency function given horizontal hydrodynamic incident increase inertia integral irregular Kc number length lift force linear load low-frequency maximum mean measured method moored motion nonlinear obtained Offshore oscillation parameters period pile plate potential predicted presented pressure problem radiation range reference regular waves respectively response second-order ship shown shows simulation solution spectra spectrum speed structure surface surge swing Table theory velocity vertical vessel vortex wave force wave height