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
... shown in Figure 3 . For a reliability index of 8 = 4.26 importance factors have been derived as shown in Table 3 . It is noted that the material yield strength , the vertical first order and the response uncertainty show the largest ...
... shown in Figure 3 . For a reliability index of 8 = 4.26 importance factors have been derived as shown in Table 3 . It is noted that the material yield strength , the vertical first order and the response uncertainty show the largest ...
Page 104
... shown in Figs . 24 ~ 27 . They are also compared with theoreti- cal estimates for the waves with a mean wave frequency 4.5 or 7.5 rad / sec and a significant waveheight 10 cm , shown in Figs . 28 ~ 31 . Figs . 24 ~ 27 say that the ...
... shown in Figs . 24 ~ 27 . They are also compared with theoreti- cal estimates for the waves with a mean wave frequency 4.5 or 7.5 rad / sec and a significant waveheight 10 cm , shown in Figs . 28 ~ 31 . Figs . 24 ~ 27 say that the ...
Page 166
... shown in figure 7 . They indicate that an averaging period of half an hour or more gives good estimates for Mo. A one half hour initial averaging period is therefore acceptable . The data sampling and averaging procedure used by our ...
... shown in figure 7 . They indicate that an averaging period of half an hour or more gives good estimates for Mo. A one half hour initial averaging period is therefore acceptable . The data sampling and averaging procedure used by our ...
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