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 17
... storm to storm ) . For the random uncertainties , the corresponding distribu- tion functions of 10 , 20 , 50 and 100 years extremes are es- timated , considering a probabilistic model for the number of storms that occur during one year ...
... storm to storm ) . For the random uncertainties , the corresponding distribu- tion functions of 10 , 20 , 50 and 100 years extremes are es- timated , considering a probabilistic model for the number of storms that occur during one year ...
Page 154
... storms , where the marks measure the duration and severity of each storm . The time history and spatial variation of ( Hs , T2 , ) are described here by two random processes : 1. a stochastic sequence of storms of different severity and ...
... storms , where the marks measure the duration and severity of each storm . The time history and spatial variation of ( Hs , T2 , ) are described here by two random processes : 1. a stochastic sequence of storms of different severity and ...
Page 155
... storms occupy disjoint regions in time and space , more than one storm can be active at any given time . Space - Time Variation of H S After the storm parameters have been generated , the space - time variation of H within storms must ...
... storms occupy disjoint regions in time and space , more than one storm can be active at any given time . Space - Time Variation of H S After the storm parameters have been generated , the space - time variation of H within storms must ...
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