Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 220
... Rayleigh distribution 123 Exponential distribution 2 3 5 6 8 10 15 NORMALIZED AMPLITUDE Y - Ymean Oy Fig . 5. Amplitude probability distributions for linear numerical simulation ( triangles and circles ) and for the non - linear crest ...
... Rayleigh distribution 123 Exponential distribution 2 3 5 6 8 10 15 NORMALIZED AMPLITUDE Y - Ymean Oy Fig . 5. Amplitude probability distributions for linear numerical simulation ( triangles and circles ) and for the non - linear crest ...
Page 221
... distribution Rayleigh 104 distribution A .. 103 Exponential distribution Rayleigh 10-5 104 distribution 2 3 4 5 6 8 10 15 10-5 2 2.101 3 4 5 6 8 10 15 TEST NO . 54 . 2.101 TP = 1.2s 101 5-10-2 HM0 = 0.09m HM10 / LP = 0.0401 101 102 ...
... distribution Rayleigh 104 distribution A .. 103 Exponential distribution Rayleigh 10-5 104 distribution 2 3 4 5 6 8 10 15 10-5 2 2.101 3 4 5 6 8 10 15 TEST NO . 54 . 2.101 TP = 1.2s 101 5-10-2 HM0 = 0.09m HM10 / LP = 0.0401 101 102 ...
Page 196
... Rayleigh distributed maxima would give f≈ 4.0 for these cases . From the table it is also observed that the gust factor decreases for decreasing stiffness . ( However , the response level may still increase if the standard deviation 1S ...
... Rayleigh distributed maxima would give f≈ 4.0 for these cases . From the table it is also observed that the gust factor decreases for decreasing stiffness . ( However , the response level may still increase if the standard deviation 1S ...
Contents
VORTEX SHEDDING AND VIBRATION | 187 |
OCEAN WAVES AND CURRENT | 209 |
COMPUTATIONAL METHODS | 247 |
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added mass amplitude analysis approximately average body boundary condition cable calculated circular cylinder components computed correlation density diffraction displacement distribution drag coefficient dynamic effects Ekofisk Engineering experimental field Figure finite element floating flow fluid free surface frequency domain function Green function horizontal hydrodynamic hydrodynamic forces incident wave integral equation irregular waves length lift force linear load low-frequency matrix maximum measured method mode mode shapes mooring motion natural frequency nonlinear obtained Ocean Offshore Structures OMAE open boundary oscillation parameters phase velocity platform predicted present pressure problem random waves ratio response Reynolds number riser Sarpkaya seabed second-order ship simulation small forward solitary wave solution spectral spectrum stiffness surge tank tanker tension tether theory transverse values vector velocity potential vertical vessel vibration vortex vortices water depth wave drift damping wave forces wave height wave profile