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 150
... Period Pitch Restoring Moment GML Roll Natural Period Roll Restoring Moment GMT Heave Natural Period Heave Restoring Force 42.4 ft2 1.06 ft2 0.66 ft . 1.08 sec . 522 ft - lbs / deg . 37.1 ft . 1.16 sec . 8.8 ft - lbs / deg . 0.62 ft ...
... Period Pitch Restoring Moment GML Roll Natural Period Roll Restoring Moment GMT Heave Natural Period Heave Restoring Force 42.4 ft2 1.06 ft2 0.66 ft . 1.08 sec . 522 ft - lbs / deg . 37.1 ft . 1.16 sec . 8.8 ft - lbs / deg . 0.62 ft ...
Page 265
... period in regular waves are shown in Fig.5 . There are two peaks ; 1 ) a peak which appears at long period due to the resonance of OWC in the air chamber and 2 ) a peak which exceeds 50 % at short period due to " the harbour resonance ...
... period in regular waves are shown in Fig.5 . There are two peaks ; 1 ) a peak which appears at long period due to the resonance of OWC in the air chamber and 2 ) a peak which exceeds 50 % at short period due to " the harbour resonance ...
Page 269
... Period 1.5 ( sec ) ( sec ) 0 1 2 3 4 5 6 A / B 7 8 10 Fig.11 Significant Full scale Wave Period THS ( sec ) Performance of wave power absorption in the short crested waves 30 JONSWAP spectrum Tp = 1.3 sec Hs 5.2-5.6 cm r = 3.3 ៖ 2 4 8 ...
... Period 1.5 ( sec ) ( sec ) 0 1 2 3 4 5 6 A / B 7 8 10 Fig.11 Significant Full scale Wave Period THS ( sec ) Performance of wave power absorption in the short crested waves 30 JONSWAP spectrum Tp = 1.3 sec Hs 5.2-5.6 cm r = 3.3 ៖ 2 4 8 ...
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