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 34
... cycles using some cycle counting method . The rain - flow cycle counting method is found to give the best results for fatigue damage assessment . However , this approach is extremely expensive and is not suitable for routine design ...
... cycles using some cycle counting method . The rain - flow cycle counting method is found to give the best results for fatigue damage assessment . However , this approach is extremely expensive and is not suitable for routine design ...
Page 183
... cycles . In this paper , we describe the probabilistic determination of the number of cycles associated to the crack length in cruciform joints submitted to random fatigue constant amplitude loading . I. Introduction For a constant ...
... cycles . In this paper , we describe the probabilistic determination of the number of cycles associated to the crack length in cruciform joints submitted to random fatigue constant amplitude loading . I. Introduction For a constant ...
Page 188
... cycles daN / mm Failure 16 0,438 0,398 6,70 Root 32 0,438 0,398 5,00 Root 16 0,125 0,619 10,50 Toe Ouchida 32 0,125 ... cycles Figure - 8 : Reliability index as function of the mode of cracking and the number of cycles to failure 10 5 t ...
... cycles daN / mm Failure 16 0,438 0,398 6,70 Root 32 0,438 0,398 5,00 Root 16 0,125 0,619 10,50 Toe Ouchida 32 0,125 ... cycles Figure - 8 : Reliability index as function of the mode of cracking and the number of cycles to failure 10 5 t ...
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