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 | 19 |
Fatigue Loading | 33 |
Copyright | |
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analysis applied approach approximately assessment assumed average basic calculated coefficient component computed considered constant corresponding cost crack growth curve cycles damage defect density depends depth derived described determined developed deviation distribution drag effects Engineering equation equivalent estimated evaluated example expected extreme factor failure failure probability fatigue Figure force fracture frequency function geometry given important included increase indicated initial inspection integration joints limit linear load Lognormal material maximum mean measured mechanics method normal obtained offshore structures operation parameters performed period platform predicted present pressure probabilistic probability procedure random variable range ratio reference relative reliability represent requirements respectively response risk safety shown shows significant simulation standard statistical storm strength stress structure surface Table tension tether tubular uncertainty variables variation wave wave height weld