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 579
... heave and pitch coupling effect in speeds can be seen in the pitch responses ( Figs 27 , 30 , 33 and 36 ) but this seems to be negligible at zero speed ( Figs.3 and 8 ) . The magnitude of the coupling effect increases with the increase ...
... heave and pitch coupling effect in speeds can be seen in the pitch responses ( Figs 27 , 30 , 33 and 36 ) but this seems to be negligible at zero speed ( Figs.3 and 8 ) . The magnitude of the coupling effect increases with the increase ...
Page 580
... heave natural period of a surface ship is given by the equation : V ( 1 + A33 ) T HEAVE = 2π gA w.P ( 19 ) where Aw.p is the waterplane area and A'33 - A33 / M . The pitch period is given by TPITCH = 2π g 123 + 1'55 8 GML where rp is ...
... heave natural period of a surface ship is given by the equation : V ( 1 + A33 ) T HEAVE = 2π gA w.P ( 19 ) where Aw.p is the waterplane area and A'33 - A33 / M . The pitch period is given by TPITCH = 2π g 123 + 1'55 8 GML where rp is ...
Page 585
... Heave Response Non - dim . Heave Response Non - dim . Pitch Response Non - dim . Heave Response BUCKLING OF SHORT , THIN - WALLED CYLINDERS UNDER COMBINED. 3.5 3.5 3.0 2.5 2.0 1.5 1.0- 0.5 0.0 Measured Potential Inc. Viscous 0.50 0.75 ...
... Heave Response Non - dim . Heave Response Non - dim . Pitch Response Non - dim . Heave Response BUCKLING OF SHORT , THIN - WALLED CYLINDERS UNDER COMBINED. 3.5 3.5 3.0 2.5 2.0 1.5 1.0- 0.5 0.0 Measured Potential Inc. Viscous 0.50 0.75 ...
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