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 | 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