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 308
... costs while having no real effect upon actual safety levels . 2. LIFETIME COST MODEL imr There are cost components associated with overall failure probability Pf ( t ) within a time period of t . A total number of Nimr major underwater ...
... costs while having no real effect upon actual safety levels . 2. LIFETIME COST MODEL imr There are cost components associated with overall failure probability Pf ( t ) within a time period of t . A total number of Nimr major underwater ...
Page 312
... cost and operation cost account for most of the expected lifetime cost , followed by maintenance cost and decommission cost expenditure . Failure consequential cost is generally very small , with the exception of Case 5 which has a very ...
... cost and operation cost account for most of the expected lifetime cost , followed by maintenance cost and decommission cost expenditure . Failure consequential cost is generally very small , with the exception of Case 5 which has a very ...
Page 314
Cost ( m £ ) Expected Cost Components ( m £ ) Fig . 3 Production rate curves Fig . 7 Effects of safety index on structural design min 10296C 0-7918-461-5. E ( CLO ) P , ( t ) [ Pt ( TL ) ] [ E ( Clot ) ] min opt IMR 1 IMR 2 IMR N ...
Cost ( m £ ) Expected Cost Components ( m £ ) Fig . 3 Production rate curves Fig . 7 Effects of safety index on structural design min 10296C 0-7918-461-5. E ( CLO ) P , ( t ) [ Pt ( TL ) ] [ E ( Clot ) ] min opt IMR 1 IMR 2 IMR N ...
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