## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9, Part 2American Society of Mechanical Engineers, 1990 - Arctic regions |

### From inside the book

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Page 9

moFor

moFor

**given**storm peak , the largest crest height during the event , c , will also random variable . For a Gaussian process , the distribution function is reasonably well delled by , Madsen et al . ( 1986 ) : Fc | ht ( c | h , t ) exp ...Page 51

ma ' are function is The corresponding probability density

ma ' are function is The corresponding probability density

**given**as : and and mo ma zeroth and second spectral moment's respectively of x and y random Gaussian variables and may be easily obtained from the properties of spectrum .Page 219

This analysis yields an acceptable reliability level with a characteristic value

This analysis yields an acceptable reliability level with a characteristic value

**given**by the 5 % fractile with a material factor of 1.15 . It is recommended to apply the same definitions of characteristic CTOD value for both methods .### What people are saying - Write a review

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### 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 | |

15 other sections not shown

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### Common terms and phrases

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 sensitivity shown shows significant simulation standard statistical storm strength stress structure surface Table tension tether tubular uncertainty variables variation wave wave height weld