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 69
... failure probability of the second tether in 41 years is calculated as 2.30 10-3 ; while that in 40 years is 1.68 10-3 . Therefore , the failure probability of the second tether in a one year repair period is 2.30 · 10-3 - 1.68 · 10 ...
... failure probability of the second tether in 41 years is calculated as 2.30 10-3 ; while that in 40 years is 1.68 10-3 . Therefore , the failure probability of the second tether in a one year repair period is 2.30 · 10-3 - 1.68 · 10 ...
Page 253
... probability level , depending on the damage prediction and input on statistics . Bayesian Format The probability ... failure probability , denoted po , has a beta distribution with mean and variance : a + 1 Hpo a + b + 2 Opo 2 ( a + 1 ) ...
... probability level , depending on the damage prediction and input on statistics . Bayesian Format The probability ... failure probability , denoted po , has a beta distribution with mean and variance : a + 1 Hpo a + b + 2 Opo 2 ( a + 1 ) ...
Page 262
... probability that crack exist , the P.F of existd crack size and the failure probability , in the ith inspection period ( i = 1,2 , ... , M ) . 4. ' Flaw allowance ' model In the case where if the flaw is discovered in the detection ...
... probability that crack exist , the P.F of existd crack size and the failure probability , in the ith inspection period ( i = 1,2 , ... , M ) . 4. ' Flaw allowance ' model In the case where if the flaw is discovered in the detection ...
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