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 230
... varying const . nul 0.0746 15.41 0.0809 0.0777 16.70 14.39 4.00 Line 3.00 A wwww ..... B C 2.00 1.00 B M▾ time varying const . nul C 0.00 0.00 1.00 2.00 3.00 10-1 4.00 5.00 6.00 7.00 8.00 W Fig.17 Spectrum of a surging motion of semi ...
... varying const . nul 0.0746 15.41 0.0809 0.0777 16.70 14.39 4.00 Line 3.00 A wwww ..... B C 2.00 1.00 B M▾ time varying const . nul C 0.00 0.00 1.00 2.00 3.00 10-1 4.00 5.00 6.00 7.00 8.00 W Fig.17 Spectrum of a surging motion of semi ...
Page 103
... Varying Time Varying . Dw - Const . Ma : Experiment 0.4 0.2 0.0 -3.0 0.0 : Gaussian 3.0 x / 0 x 6.0 Fig.24 Effect of time varying slow motion hydrodynamic force coefficient on p.d.f. peak frequency of wave = 5.0 [ rad / sec ] ( X1 - n ...
... Varying Time Varying . Dw - Const . Ma : Experiment 0.4 0.2 0.0 -3.0 0.0 : Gaussian 3.0 x / 0 x 6.0 Fig.24 Effect of time varying slow motion hydrodynamic force coefficient on p.d.f. peak frequency of wave = 5.0 [ rad / sec ] ( X1 - n ...
Page 107
... varying component at the TLP's surge natural frequency . The wave frequency component is due predominantly to linear potential forces acting on the hull and to a much lesser extent to viscous forces . The mean and slowly - varying ...
... varying component at the TLP's surge natural frequency . The wave frequency component is due predominantly to linear potential forces acting on the hull and to a much lesser extent to viscous forces . The mean and slowly - varying ...
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