## 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 155

Assuming that storms move at constant speed from West to East , which is a reasonable assumption for the region of study , the coordinates of a fixed geographical point ( u , v ) in the moving

Assuming that storms move at constant speed from West to East , which is a reasonable assumption for the region of study , the coordinates of a fixed geographical point ( u , v ) in the moving

**reference**frame of storm i at time t are x ...Page 163

SPECIFICATION OF SIGULATED TYPICAL STORMS * Tide and current only Period of maximum maximum crest elevation Significant wave height wave energy ( sec ) above mean sea level ( m ) 3 day storm 6 day storm Platform B ( m )

SPECIFICATION OF SIGULATED TYPICAL STORMS * Tide and current only Period of maximum maximum crest elevation Significant wave height wave energy ( sec ) above mean sea level ( m ) 3 day storm 6 day storm Platform B ( m )

**REFERENCES**1 .Page 170

Each of these functional forms is presented in

Each of these functional forms is presented in

**reference**( 4 ) . Also in**reference**( 4 ) Equation ( 4 ) has been shown to give accurate approximations of J when compared to detailed finite element solutions .### 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 | |

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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