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 153
... frequency responses . Both theoret- ical and experimental data are provided in an attempt to provide confidence in the use of second order theory and in the concept of wave drift damping . Measurements have been made of the low frequency ...
... frequency responses . Both theoret- ical and experimental data are provided in an attempt to provide confidence in the use of second order theory and in the concept of wave drift damping . Measurements have been made of the low frequency ...
Page 176
... frequency surge , sway and yaw motions , and large semi - submersibles may experience related low - frequency heave , pitch and roll motions . In locations exposed to ocean swell , there may sometimes be enough low - frequency wave ...
... frequency surge , sway and yaw motions , and large semi - submersibles may experience related low - frequency heave , pitch and roll motions . In locations exposed to ocean swell , there may sometimes be enough low - frequency wave ...
Page 301
... frequency is at integral multiples of the natural frequency of the cylin- der concerned ( ie excitation occurs at the natural frequency which is below that of the forcing frequency ) . However this form of excita- tion is not always ...
... frequency is at integral multiples of the natural frequency of the cylin- der concerned ( ie excitation occurs at the natural frequency which is below that of the forcing frequency ) . However this form of excita- tion is not always ...
Contents
A Study on the Stability Criteria of Semisubmersibles | 4 |
Sharan and Praveen Kalra | 6 |
CASE HISTORIES | 7 |
Copyright | |
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added mass amplitude analysis approximately average boundary condition boundary layer cable calculated circular cylinder components computed crest damping coefficient damping ratio density diffraction dimensionless displacement drag coefficient dynamic effects Ekofisk estimates experimental Figure first-order floating fluid force coefficients free surface frequency domain Green function heave horizontal hydrodynamic hydrodynamic forces incident wave inline force integral equation irregular lift force linear loads low frequency low-frequency surge maximum mean drift forces measured method mooring motion natural frequency nonlinear obtained Offshore Technology open boundary oscillation oscillatory flow parameters phase velocity platform predicted pressure random wave ratio regular waves Reynolds number Sarpkaya second order second-order wave shown simulation solitary waves solution spectral spectrum standard deviation surge response tank tanker tests transfer function transverse values velocity potential vertical vortex vortices wave damping wave drift damping wave elevation wave forces wave height wave-current