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 68
... assumed to be a normal variable with a mean value of 144 MPa and a standard deviation of 7.2 MPa [ 9 ] . The one year maximum stress range is predicted as 97.4 MPa based on the previously assumed long - term Weibull dis- tribution ...
... assumed to be a normal variable with a mean value of 144 MPa and a standard deviation of 7.2 MPa [ 9 ] . The one year maximum stress range is predicted as 97.4 MPa based on the previously assumed long - term Weibull dis- tribution ...
Page 157
... assumed to be a function only of the timelag at and the second expectation is a function only of at .. Both are assumed of an exponential type . Hence , -1/2 Ct - to ( at ) = exp ( - 1 At At ( 15 ) This correlation function can be used ...
... assumed to be a function only of the timelag at and the second expectation is a function only of at .. Both are assumed of an exponential type . Hence , -1/2 Ct - to ( at ) = exp ( - 1 At At ( 15 ) This correlation function can be used ...
Page 251
... assumed herein that the probability of detection of a failure is 1.0 . It is also assumed that the probability of a false positive is zero . In other words , inspector or procedure error is neglected . Sample Probability Inspection of a ...
... assumed herein that the probability of detection of a failure is 1.0 . It is also assumed that the probability of a false positive is zero . In other words , inspector or procedure error is neglected . Sample Probability Inspection of a ...
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