Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 132
... velocity to the rotating velocity of separated vortices , where we assumed that the separated vortices rotate round the cylinder with same cycle as wave's . The circulating flow velocity is about 60 percent of the rotating velocity of ...
... velocity to the rotating velocity of separated vortices , where we assumed that the separated vortices rotate round the cylinder with same cycle as wave's . The circulating flow velocity is about 60 percent of the rotating velocity of ...
Page 134
velocity distributions around a circular cylinder in regular waves for Kc = 2.83 Fig.17 8.85 B -8.85 8 C = 8.848 -del To. number N of inviscid vortices located at z with the inviscid vortex component strength I. obtained by N -i 2πT Fv ...
velocity distributions around a circular cylinder in regular waves for Kc = 2.83 Fig.17 8.85 B -8.85 8 C = 8.848 -del To. number N of inviscid vortices located at z with the inviscid vortex component strength I. obtained by N -i 2πT Fv ...
Page 132
... velocity of fluid particle , this circulation causes transverse forces to the incident flow . This is well known as Magnus Effect in potential flow theory . These forces always reduce inertia forces . -6 D orbital notion ( wt- / 2 ) B 8 ...
... velocity of fluid particle , this circulation causes transverse forces to the incident flow . This is well known as Magnus Effect in potential flow theory . These forces always reduce inertia forces . -6 D orbital notion ( wt- / 2 ) B 8 ...
Contents
Simulation of Hurricane Seas in a Multidirectional Wave Basin | 17 |
9 | 38 |
27 | 45 |
Copyright | |
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added mass amplitude analysis array calculated results circular cylinder cosh crane ship crest damping coefficient density directional wave displacement distribution domain drag coefficient drag force dynamic effect Engineering equation estimated experimental results flow fluid force coefficients forces acting forward speed free surface Green's function heave horizontal hydrodynamic hydrodynamic forces incident wave irregular Kc number lift force linear load low-frequency matrix maximum measured method mooring line motion nonlinear obtained offshore structures oscillation parameters pile potential theory predicted pressure random ratio Rayleigh distribution regular waves response Sarpkaya second-order semisubmersible ship motions shown in Figure simulation solution spectra spectral density spectrum spreading function surge tanker transfer function vector velocity potential vertical vessel vortex vortex shedding vortices water depth wave amplitude wave component wave drift wave force wave frequency wave groups wave height wave number wave period wave power