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 76
... grid point . Ω ( 8 ) = ***** wdy = -V , ( 24 ) The total flux of vorticity in the boundary layer is given by : fo *** vw dy = v ? 2 ( 25 ) δ y Vs dt From Eqs . ( 24 ) and ( 25 ) , it appears that the total rotation is moved with a ...
... grid point . Ω ( 8 ) = ***** wdy = -V , ( 24 ) The total flux of vorticity in the boundary layer is given by : fo *** vw dy = v ? 2 ( 25 ) δ y Vs dt From Eqs . ( 24 ) and ( 25 ) , it appears that the total rotation is moved with a ...
Page 77
... grid points are 50 * 50 in the course and medium grids , and 40 * 30 points in the fine grid . A simulation with 2 cylinders requires 60-70 cpu minutes on the Rs 6000 , while a simulation with one cylinder requires 40-50 cpu minutes ...
... grid points are 50 * 50 in the course and medium grids , and 40 * 30 points in the fine grid . A simulation with 2 cylinders requires 60-70 cpu minutes on the Rs 6000 , while a simulation with one cylinder requires 40-50 cpu minutes ...
Page 356
... grid . Tor bathymetric For our summer 1990 bathymetry survey we have used a " Hippy 120 " heave compensator for an even better survey accuracy . The recording interval is about every 5 meters . This is too dence for our mapping grid ...
... grid . Tor bathymetric For our summer 1990 bathymetry survey we have used a " Hippy 120 " heave compensator for an even better survey accuracy . The recording interval is about every 5 meters . This is too dence for our mapping grid ...
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