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 | 19 |
Fatigue Loading | 33 |
Copyright | |
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Common terms and phrases
analysis applied approach approximately assessment assumed average basic calculated coefficient component computed considered constant corresponding cost crack growth curve cycles damage defect density depends depth derived described determined developed deviation distribution drag effects Engineering equation equivalent estimated evaluated example expected extreme factor failure failure probability fatigue Figure force fracture frequency function geometry given important included increase indicated initial inspection integration joints limit linear load Lognormal material maximum mean measured mechanics method normal obtained offshore structures operation parameters performed period platform predicted present pressure probabilistic probability procedure random variable range ratio reference relative reliability represent requirements respectively response risk safety shown shows significant simulation standard statistical storm strength stress structure surface Table tension tether tubular uncertainty variables variation wave wave height weld