Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American 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
VORTEX SHEDDING AND VIBRATION | 187 |
OCEAN WAVES AND CURRENT | 209 |
COMPUTATIONAL METHODS | 247 |
Copyright | |
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added mass amplitude analysis approximately average body boundary condition cable calculated circular cylinder components computed correlation density diffraction displacement distribution drag coefficient dynamic effects Ekofisk Engineering experimental field Figure finite element floating flow fluid free surface frequency domain function Green function horizontal hydrodynamic hydrodynamic forces incident wave integral equation irregular waves length lift force linear load low-frequency matrix maximum measured method mode mode shapes mooring motion natural frequency nonlinear obtained Ocean Offshore Structures OMAE open boundary oscillation parameters phase velocity platform predicted present pressure problem random waves ratio response Reynolds number riser Sarpkaya seabed second-order ship simulation small forward solitary wave solution spectral spectrum stiffness surge tank tanker tension tether theory transverse values vector velocity potential vertical vessel vibration vortex vortices water depth wave drift damping wave forces wave height wave profile