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 167
... Drift Force The irregular , long - crested wave train was assumed propagating in the x - direction . We approximated the incident wave system by the Pierson - Moskowitz spectrum ( e.g. Germanischer Lloyd , 1990 ) and simulated the ...
... Drift Force The irregular , long - crested wave train was assumed propagating in the x - direction . We approximated the incident wave system by the Pierson - Moskowitz spectrum ( e.g. Germanischer Lloyd , 1990 ) and simulated the ...
Page 171
... drift forces . Mean values obtained from the two sets of simulations using Marthinsen's method are practically ... force and using constant wave drift damping were almost identical to cor- responding standard deviations from fequency ...
... drift forces . Mean values obtained from the two sets of simulations using Marthinsen's method are practically ... force and using constant wave drift damping were almost identical to cor- responding standard deviations from fequency ...
Page 255
... drift forces and the mean second order yaw moment are discussed , and ... force and the mean yaw moment may be changed by 100 % even for a small ... drift force acting on the floating body , which is proportional to the square of the ...
... drift forces and the mean second order yaw moment are discussed , and ... force and the mean yaw moment may be changed by 100 % even for a small ... drift force acting on the floating body , which is proportional to the square of the ...
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