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 29
... elevation . water of the instantaneous series of photographs surface elevation convey a more complete impression of the behaviour of the modification of the water waves around a structure than can be obtained from a plot of the wave ...
... elevation . water of the instantaneous series of photographs surface elevation convey a more complete impression of the behaviour of the modification of the water waves around a structure than can be obtained from a plot of the wave ...
Page 69
... Elevation Power Spectrum = T Hs ( inch ) 4.332 wo ( rad / sec ) = 3.685 Gamma 1.4 = Jonswap Measured 0.2 0.1 0.0 0 2 2 4 6 8 10 12 14 16 Frequency ( Hz ) 18 20 4 6 8 10 12 14 16 Rad / sec Fig . 3 Comparison of frequency responses of the ...
... Elevation Power Spectrum = T Hs ( inch ) 4.332 wo ( rad / sec ) = 3.685 Gamma 1.4 = Jonswap Measured 0.2 0.1 0.0 0 2 2 4 6 8 10 12 14 16 Frequency ( Hz ) 18 20 4 6 8 10 12 14 16 Rad / sec Fig . 3 Comparison of frequency responses of the ...
Page 122
... Elevation and Wave Force For the three frequency ranges chosen to simulate P.M. spectrum , four different runs ( four different rms values of wave height ) were made in each range . From the measured water surface elevations , water ...
... Elevation and Wave Force For the three frequency ranges chosen to simulate P.M. spectrum , four different runs ( four different rms values of wave height ) were made in each range . From the measured water surface elevations , water ...
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