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 52
... vortex . " The generation of the wall vortex is attributed to the boundary layer separation that is caused by the characteristic flow field of the vortex pair itself . Clearly , the flow field about the escaping vortex pair near the ...
... vortex . " The generation of the wall vortex is attributed to the boundary layer separation that is caused by the characteristic flow field of the vortex pair itself . Clearly , the flow field about the escaping vortex pair near the ...
Page 134
... vortex component strength I. obtained by N -i 2πT Fv ( z ) = Σ [ Γ_log n n = 1 ( z - zon ) ( Z - Z3n ) ( Z - Z5n ) On ( z - zın ) ( Z - Z2n ) ( Z - Z4n ) Ο can be ] . ( 9 ) by velocity using From the equations ( 6 ) , ( 8 ) and ( 9 ) ...
... vortex component strength I. obtained by N -i 2πT Fv ( z ) = Σ [ Γ_log n n = 1 ( z - zon ) ( Z - Z3n ) ( Z - Z5n ) On ( z - zın ) ( Z - Z2n ) ( Z - Z4n ) Ο can be ] . ( 9 ) by velocity using From the equations ( 6 ) , ( 8 ) and ( 9 ) ...
Page 577
... vortex force function V can be expressed in the form of a Morison equation whose coefficients have been evaluated by Graham , ( 13 ) and so the vortex force and moment can be written respectively as z = e 25d 3 52 - så = e - 12 ( all ) ...
... vortex force function V can be expressed in the form of a Morison equation whose coefficients have been evaluated by Graham , ( 13 ) and so the vortex force and moment can be written respectively as z = e 25d 3 52 - så = e - 12 ( all ) ...
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