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 18
... measured and observed damage data ( 8 ) . The ratio between measured and hindcast 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 ...
... measured and observed damage data ( 8 ) . The ratio between measured and hindcast 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 ...
Page 96
... measured results of PDF of maxima & minima and 1 / n th highest expected away amplitude of VB - 2A 10 15 23 30 20 25 FIG . 6 FIG . 5 The calculated . and measured The calculated and measured results of PDP of maxima à minima and 1 / n ...
... measured results of PDF of maxima & minima and 1 / n th highest expected away amplitude of VB - 2A 10 15 23 30 20 25 FIG . 6 FIG . 5 The calculated . and measured The calculated and measured results of PDP of maxima à minima and 1 / n ...
Page 99
... ( measured ) 1.128 0.8484 7.0 0.6905 0.7675 Semi - sub . [ sec ] Significant Waveheight 0.0387 0.0312 0.0277 w2 [ rad / sec ] 0 8.0 ( measured ) Semi - sub . [ m ] Average Period ( measured ) 1.046 0.9538 0.8698 0.8014 7.0 Tanker [ sec ] ...
... ( measured ) 1.128 0.8484 7.0 0.6905 0.7675 Semi - sub . [ sec ] Significant Waveheight 0.0387 0.0312 0.0277 w2 [ rad / sec ] 0 8.0 ( measured ) Semi - sub . [ m ] Average Period ( measured ) 1.046 0.9538 0.8698 0.8014 7.0 Tanker [ sec ] ...
Contents
Investigation of the Ergodicity Assumption for Sea States in the Reliability Assessment of Offshore | 1 |
OFFSHORE TECHNOLOGY PART A | 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 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 vector Weibull distribution weld weldments