Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 189
... frequency viscous damping acting on a circular cylinder , a lowerhull - section cylinder of a semisubmersible and a ... frequency oscillation and low - frequency oscillation , reveals that the low- frequency viscous damping is caused by ...
... frequency viscous damping acting on a circular cylinder , a lowerhull - section cylinder of a semisubmersible and a ... frequency oscillation and low - frequency oscillation , reveals that the low- frequency viscous damping is caused by ...
Page 191
... frequency oscillation yields the damping force for a low - frequency oscillation . Figure 3 shows the simplified idea of the mechanism of the occurrence of the low - frequency damping . drag force for low - frequency motion From ...
... frequency oscillation yields the damping force for a low - frequency oscillation . Figure 3 shows the simplified idea of the mechanism of the occurrence of the low - frequency damping . drag force for low - frequency motion From ...
Page 197
... frequency of low - frequency oscillation w : circular frequency of high - frequency oscillation Y amplitude of low - frequency oscillation Y : amplitude of high - frequency oscillati 3 2 44 Δ Δ Δ estimated value of viscous damping 8 8.8 ...
... frequency of low - frequency oscillation w : circular frequency of high - frequency oscillation Y amplitude of low - frequency oscillation Y : amplitude of high - frequency oscillati 3 2 44 Δ Δ Δ estimated value of viscous damping 8 8.8 ...
Contents
OCEAN WAVES | 1 |
OFFSHORE TECHNOLOGY PART A | 17 |
Application of Optical Techniques to Water Surface Measurement | 27 |
Copyright | |
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added mass amplitude analysis calculated circular cylinder computed cosh damping coefficient damping factor density diffraction directional wave domain drag coefficient drag force drift force dynamic effect Engineering equation estimated experimental fluid force coefficients forces acting forward speed free surface heave horizontal hydrodynamic hydrodynamic forces incident wave inertia coefficients inline force integral irregular JONSWAP Kc number lift force linear load low-frequency low-frequency oscillation maximum measured method Moire Topography motion nonlinear obtained offshore structures parameters peak pile predicted quadratic rad/sec radiation condition ratio regular waves response resultant force Reynolds number Sarpkaya second-order semisubmersible shown in Figure simulation solution spectral density spectrum surface elevation surge swing tanker transfer function transverse force velocity potential viscous vortex shedding vortices water depth wave amplitude wave direction wave drift damping wave excitation wave force wave frequency wave height wave number wave period wave power