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 10
... spectrum is reproduced for each simulation , and others are probabilistic , i.e. that the energy spectrum is only reproduced in average . 2.2.1 Random phases with Fast Fourier Transform ( FFT ) The surface elevation is described as a ...
... spectrum is reproduced for each simulation , and others are probabilistic , i.e. that the energy spectrum is only reproduced in average . 2.2.1 Random phases with Fast Fourier Transform ( FFT ) The surface elevation is described as a ...
Page 22
... spectrum is included to indicate the distribution of wave energy with frequency . The mean wave direction is resolved to within 2 deg near the peak of the frequency spectrum . Above 1.5f , the agreement deteriorates . The trend of ...
... spectrum is included to indicate the distribution of wave energy with frequency . The mean wave direction is resolved to within 2 deg near the peak of the frequency spectrum . Above 1.5f , the agreement deteriorates . The trend of ...
Page 58
... spectrum and acceleration spectrum is not evident , and the phase shift between water particle velocity and acceleration can not be used . Therefore , the auto spectrum analysis method is not well suited for determining drag and inertia ...
... spectrum and acceleration spectrum is not evident , and the phase shift between water particle velocity and acceleration can not be used . Therefore , the auto spectrum analysis method is not well suited for determining drag and inertia ...
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