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 61
... performed . The design is first per- formed with respect to minimum tension by varying the pretension level in order to arrive at different levels of target B. Then for the pretension level arrived at for minimum ten- sion the design is ...
... performed . The design is first per- formed with respect to minimum tension by varying the pretension level in order to arrive at different levels of target B. Then for the pretension level arrived at for minimum ten- sion the design is ...
Page 75
... performed at times T , and T2 with no repair at time T , and repair at T2 , the safety margin for failure time t > T2 is a ; Adi i = 1,2 , · · · ‚ r a , A ,, j = 1,2 , ... , s ( 17 ) ( 18 ) In the first case , Eq . 17 , no crack was ...
... performed at times T , and T2 with no repair at time T , and repair at T2 , the safety margin for failure time t > T2 is a ; Adi i = 1,2 , · · · ‚ r a , A ,, j = 1,2 , ... , s ( 17 ) ( 18 ) In the first case , Eq . 17 , no crack was ...
Page 82
... performed by statistical processing on data stored in an Operative Data Bank updated on a regular basis after inspections . A schematic of the data bank used by Tecnomare is shown as an example in fig . 2 together with the integrated ...
... performed by statistical processing on data stored in an Operative Data Bank updated on a regular basis after inspections . A schematic of the data bank used by Tecnomare is shown as an example in fig . 2 together with the integrated ...
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