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 57
... forces on three kinds of inclined cylinders are measured . By the revised cross spectrum method proposed in this paper , the force coefficients CD and C are estimated . From the experimental results , it is found that the wave direction ...
... forces on three kinds of inclined cylinders are measured . By the revised cross spectrum method proposed in this paper , the force coefficients CD and C are estimated . From the experimental results , it is found that the wave direction ...
Page 59
... force coefficients with the wave direction has some regularity . The drag force coefficient Cp decreases with the increase of angle ( Fig . 4 , 90 ° -7 ) . The inertia force coefficient Cx is symmetric about the axis of d = 0 ° . From ...
... force coefficients with the wave direction has some regularity . The drag force coefficient Cp decreases with the increase of angle ( Fig . 4 , 90 ° -7 ) . The inertia force coefficient Cx is symmetric about the axis of d = 0 ° . From ...
Page 66
... force coefficients can be estimated from a measured force spectrum SFM ( w ) and the measured wave profile spectrum S ,, ( w ) . In this study the force coefficients were estimated using three different methods : ( a ) Least - squares ...
... force coefficients can be estimated from a measured force spectrum SFM ( w ) and the measured wave profile spectrum S ,, ( w ) . In this study the force coefficients were estimated using three different methods : ( a ) Least - squares ...
Contents
OCEAN WAVES | 1 |
Simulation of Hurricane Seas in a Multidirectional Wave Basin | 17 |
OFFSHORE MECHANICS AND ARCTIC ENGINEERING | 25 |
Copyright | |
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acceleration added mass amplitude analysis boundary conditions calculated circular cylinder computed cosh crest cylinder array damping coefficient damping factor density diffraction domain drag coefficient drag force drift force dynamic effect equation estimated flow fluid force coefficients forces acting forward speed free surface heave horizontal hydrodynamic hydrodynamic forces incident wave inertia coefficients integral irregular Kc number lift force linear load low-frequency low-frequency oscillation maximum measured method motion nonlinear obtained offshore structures oscillatory parameters pile plate potential flow predicted quadratic rad/sec radiation condition ratio regular waves response Sarpkaya second order second-order semisubmersible shown in Figure simulation solution spectral density spectrum surface elevation surge swing tank tanker transfer function vector velocity potential viscous vortex shedding vortices water depth wave amplitude wave drift damping wave excitation wave force wave frequency wave groups wave height wave number wave period wave power