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 223
... weld defect size crack size after time t critical crack size at failure weld toe plastic zone size model uncertainty in fatigue crack growth calculation semi - crack length Paris ' law constant diameter of brace member diameter of chord ...
... weld defect size crack size after time t critical crack size at failure weld toe plastic zone size model uncertainty in fatigue crack growth calculation semi - crack length Paris ' law constant diameter of brace member diameter of chord ...
Page 225
... weld geometry The presence of a weld at the surface of the plate gives rise to a non - linear notch stress distribution as shown in Fig . 1. Το account for this non - linear stress a weld toe correction factor Yw is used . If the notch ...
... weld geometry The presence of a weld at the surface of the plate gives rise to a non - linear notch stress distribution as shown in Fig . 1. Το account for this non - linear stress a weld toe correction factor Yw is used . If the notch ...
Page 234
... weld notch stresses ; from the approximate way of averaging geometric stresses ; from the approximations made in modelling of short crack behaviour in the weld notch plastic zone ; and from the relaxation of geometric stress ...
... weld notch stresses ; from the approximate way of averaging geometric stresses ; from the approximations made in modelling of short crack behaviour in the weld notch plastic zone ; and from the relaxation of geometric stress ...
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