Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1992 - Arctic regions |
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Page 25
... wind direction . When normalized by either the friction velocity or the significant wave height , the nondimensional wave spectra from the three cases matched well with each other and were consistent with those obtained by Forristall ...
... wind direction . When normalized by either the friction velocity or the significant wave height , the nondimensional wave spectra from the three cases matched well with each other and were consistent with those obtained by Forristall ...
Page 30
... wind direction . Since a , values were very close to the wind directions at high frequencies , it is believed that the a2 values were not reliable due to high noise / signal ratio . However , since the chances of having multimodal ...
... wind direction . Since a , values were very close to the wind directions at high frequencies , it is believed that the a2 values were not reliable due to high noise / signal ratio . However , since the chances of having multimodal ...
Page 31
... wind 0 1400 1/17 1900 0000 0005 1/17 1/18 1/18 0010 1/18 HOURS ( UTC ) FIGURE 10. DIRECTIONS OF THE WIND AND WAVES AT f = 0.07 , 0.15 , 0.25 , AND 0.30 Hz ( U / C > 1 ) for both f = 0.25 and 0.30 Hz . It seemed that the strong swell ...
... wind 0 1400 1/17 1900 0000 0005 1/17 1/18 1/18 0010 1/18 HOURS ( UTC ) FIGURE 10. DIRECTIONS OF THE WIND AND WAVES AT f = 0.07 , 0.15 , 0.25 , AND 0.30 Hz ( U / C > 1 ) for both f = 0.25 and 0.30 Hz . It seemed that the strong swell ...
Contents
OCEAN WAVES AND CURRENT | 1 |
HYDRODYNAMIC FORCES | 69 |
17 | 90 |
Copyright | |
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added mass amplitude analysis axial behaviour boundary bubble buoy cable calculated Campos Basin coefficients compliant tower components configuration crane vessels cylinder damping model damping ratio developed direction displacement distribution domain drag coefficient drag force dynamic response effect Engineering equation estimated experimental Figure floating flow fluid heave motion hydrodynamic hydrodynamic damping installation interaction internal wave irregular waves Karunakaran length linear load matrix measured method modal mode model testing module natural frequency natural period nondimensional nonlinear obtained Ocean Offshore Structures operations oscillation parameters peak pipe pipeline platform pontoon potential predicted pressure ratio Rayleigh Rayleigh distribution resonant riser rotation second-order semisubmersible ship shown simulation spectra spectrum stiffness Stirling engine subsea surge tank technique tendon tension tethers transfer function values vector velocity velocity potential vertical vessel vibration water depth wave force wave height wave period