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 111
... disturbance in the vicinity of the cylinder , the solution , at later time steps , is expected to be stable . For such an incoming wave , the initial condition can be described as where refers to the number of waves modulated , e.g. ...
... disturbance in the vicinity of the cylinder , the solution , at later time steps , is expected to be stable . For such an incoming wave , the initial condition can be described as where refers to the number of waves modulated , e.g. ...
Page 225
... disturbances . One wave gage was positioned at the LDV station , it was displaced from the wave tank's centerline 0.34 m to avoid disturbance to the flow in the vicinity of the LDV measurement point . The wave generator control signal ...
... disturbances . One wave gage was positioned at the LDV station , it was displaced from the wave tank's centerline 0.34 m to avoid disturbance to the flow in the vicinity of the LDV measurement point . The wave generator control signal ...
Page 258
... disturbance x is usually neglected , leading to integral equations containing a waterline integral . In our case , this in- tegral vanishes because the steady potential UX , satisfies the correct boundary condition ( 4 ) on the body ...
... disturbance x is usually neglected , leading to integral equations containing a waterline integral . In our case , this in- tegral vanishes because the steady potential UX , satisfies the correct boundary condition ( 4 ) on the body ...
Contents
VORTEX SHEDDING AND VIBRATION | 187 |
OCEAN WAVES AND CURRENT | 209 |
COMPUTATIONAL METHODS | 247 |
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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