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 6
... relative threshold levels of a / Hs equal to 0.5 and 0.6 . 0.250 The nonlinear corrections derived for the average time duration and time intervals are evaluated in Figure 6. The ratios TDNL / TD and TIN / TI are plotted since ...
... relative threshold levels of a / Hs equal to 0.5 and 0.6 . 0.250 The nonlinear corrections derived for the average time duration and time intervals are evaluated in Figure 6. The ratios TDNL / TD and TIN / TI are plotted since ...
Page 52
... relative motion of the cylinder end may lead to more complex problems . It has been shown by Yamada and Honda ( 1989 ) that a vor- tex pair moving between two parallel plates gives rise to a new " wall vortex . " The generation of the ...
... relative motion of the cylinder end may lead to more complex problems . It has been shown by Yamada and Honda ( 1989 ) that a vor- tex pair moving between two parallel plates gives rise to a new " wall vortex . " The generation of the ...
Page 283
... relative to incident wave amplitude with kh when tuned to kh≈ 1.15 , with clearance 0.1h . The maximum value of this relative displacement for the cylinder does not in fact occur at the tuned wavenumber but at a lower value . In Fig.3 ...
... relative to incident wave amplitude with kh when tuned to kh≈ 1.15 , with clearance 0.1h . The maximum value of this relative displacement for the cylinder does not in fact occur at the tuned wavenumber but at a lower value . In Fig.3 ...
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