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 146
... limit state We note that the dominating parameters are the tension load from vertical motion for the minimum tension limit state and Tension Depth 300 m Depth = 600 m 0.06 0.16 = = To 0.09 450 m Depth 0.07 T1 0.03 0.07 T2 0.02 0.02 0.01 ...
... limit state We note that the dominating parameters are the tension load from vertical motion for the minimum tension limit state and Tension Depth 300 m Depth = 600 m 0.06 0.16 = = To 0.09 450 m Depth 0.07 T1 0.03 0.07 T2 0.02 0.02 0.01 ...
Page 232
... limit state of offshore tubular joints is presented . Use is made of fracture mechanics methods in quantifying accumulated fatigue damage . Two of the essential steps in the analysis , namely the quantification of fatigue loading and ...
... limit state of offshore tubular joints is presented . Use is made of fracture mechanics methods in quantifying accumulated fatigue damage . Two of the essential steps in the analysis , namely the quantification of fatigue loading and ...
Page 268
... limit state functions . Some important factors to be considered are : 1 ) Mechanical properties ( i.e. yield strength and fracture toughness ) of LBZ's zones and surrounding s . [ S S , Then the limit state function in terms of the ...
... limit state functions . Some important factors to be considered are : 1 ) Mechanical properties ( i.e. yield strength and fracture toughness ) of LBZ's zones and surrounding s . [ S S , Then the limit state function in terms of the ...
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