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 50
... described here as they are well known . These are des- cribed in details by several authors e.g. Clough and Penzien / 5 / and Ochi / 6 / . P ( zm ) d ( fz ) 1 fc dz . . . ( 3 ) where f denotes the number of upcrossing per unit time with ...
... described here as they are well known . These are des- cribed in details by several authors e.g. Clough and Penzien / 5 / and Ochi / 6 / . P ( zm ) d ( fz ) 1 fc dz . . . ( 3 ) where f denotes the number of upcrossing per unit time with ...
Page 161
... described , storm data are listed and data interpretation procedures are discussed . We found that theoretically predicted measurement uncertainties were conservative when compared to observed uncertainties . We were able to refine our ...
... described , storm data are listed and data interpretation procedures are discussed . We found that theoretically predicted measurement uncertainties were conservative when compared to observed uncertainties . We were able to refine our ...
Page 277
... described below , parts of the offshore industry are advanced in this respect . The current practice of using risk analyses is described in Section 2 below . Section 3 outlines the main approach to such analyses in field development ...
... described below , parts of the offshore industry are advanced in this respect . The current practice of using risk analyses is described in Section 2 below . Section 3 outlines the main approach to such analyses in field development ...
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