## 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

**EXAMPLE**STRUCTURE done " objectively " by use of sample statistics . The discrete c.d.f. are also plotted on various probability graph papers to choose a specific type of probability function . # 4 Extreme Value Statistics .Page 67

The failure probability of a tether system with k components can thus be calculated by

The failure probability of a tether system with k components can thus be calculated by

**example**, we assume that the bending stress at the tether midpoint is 70 % of the total stress . The varying scale parameter can thus be expressed as ...Page 78

In this

In this

**example**the prescribed reliability Is JTarge. =3.71 and the expected failure cost is thus significantly less than the inspection and repair costs. In this**example**a reduction in /}Tlrgt, would lead to lower expected costs.### 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