Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9, Part 2American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 16
... Wave Conditions . Extreme wave heights for the Gulf of Mexico ( GOM ) and extreme signifi- cant wave height for the North Sea ( NS ) are both fitted Extreme I ( Gumbel ) distributions ( section 4 ) . The wave energy content in each ...
... Wave Conditions . Extreme wave heights for the Gulf of Mexico ( GOM ) and extreme signifi- cant wave height for the North Sea ( NS ) are both fitted Extreme I ( Gumbel ) distributions ( section 4 ) . The wave energy content in each ...
Page 18
... wave heights ( BHm ) is described acceptably by a Lognormal distribution with a mean value and a standard deviation equal to 0.85 and 0.20 , respectively . The wave height hindcast reliability associated with the second model also was ...
... wave heights ( BHm ) is described acceptably by a Lognormal distribution with a mean value and a standard deviation equal to 0.85 and 0.20 , respectively . The wave height hindcast reliability associated with the second model also was ...
Page 310
... wave direction a the significant wave height H , the mean zero up crossing wave period T2 the mean wind direction ẞ · the mean wind velocity Vw · · the mean current direction the mean current velocity Vc . A common assumption about sea ...
... wave direction a the significant wave height H , the mean zero up crossing wave period T2 the mean wind direction ẞ · the mean wind velocity Vw · · the mean current direction the mean current velocity Vc . A common assumption about sea ...
Contents
Investigation of the Ergodicity Assumption for Sea States in the Reliability Assessment of Offshore | 1 |
OFFSHORE TECHNOLOGY PART | 33 |
Extreme Forces on Large AxiSymmetric Offshore Structures in Directional Seas | 49 |
Copyright | |
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amplitude applied assessment assumed axial basic variables behaviour calculated coefficient component computed considered corrosion cost crack depth crack growth rate CTOD curve defect deterministic drag force effects Engineering environmental equation estimated evaluated extreme failure mode failure probability fatigue crack growth fatigue damage fatigue failure fatigue reliability fatigue strength Figure fracture mechanics fracture toughness frequency Gaussian geometry hindcast initial inspection instability load integration limit state function linear Lognormal LRFD material maxima maximum mean value method nonlinear normal normal distribution North Sea obtained offshore structures parameters platform predicted pressure probabilistic probability density function probability distribution quadratic random variable ratio reliability analysis reliability index residual stresses response risk S-N curve safety sea-state significant wave height simulation spectral standard deviation statistical stochastic storm stress intensity factor stress range Table tension tether tubular joints variation vector weld weldments