## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2; Volume 8, Part 2American Society of Mechanical Engineers, 1989 - Arctic regions |

### From inside the book

Results 1-3 of 51

Page 109

ASSESSMENT OF

ASSESSMENT OF

**UNCERTAINTIES**IN ENVIRONMENTAL LOADING ON OFFSHORE STRUCTURES P. Carr Atkins Oil and Gas Engineering ... NOMENCLATURE A factor for appurtenance modelling**uncertainty**bf factor for total**uncertainty**in Cd bh factor for wave ...Page 110

2.2.2 Definition of the

2.2.2 Definition of the

**Uncertainty**Index some a or The**uncertainty**index ( UI ) is defined by equation ( 1 ) in terms of**uncertainty**ranges , where a ' range ' is further defined as the difference between the 95th and 5th percentiles ...Page 111

In the work to date , a minimum of 20,000 iterations per input parameter has been used , which ensures that the range estimates more than sufficiently accurate for the purpose of evaluating the

In the work to date , a minimum of 20,000 iterations per input parameter has been used , which ensures that the range estimates more than sufficiently accurate for the purpose of evaluating the

**uncertainty**indices .### What people are saying - Write a review

We haven't found any reviews in the usual places.

### Contents

HYDRODYNAMIC FORCES | 1 |

WaveCurrent Force on Horizontal Cylinder | 7 |

DoubleFactor Method for the Linearization of Drag Force | 39 |

Copyright | |

45 other sections not shown

### Other editions - View all

### Common terms and phrases

added mass amplitude analysis applied approach approximately assumed body boundary calculated circular compared components computed considered correlation corresponding cylinder damping defined depends depth described determined direction distribution drag coefficient drift force effect elements Engineering equation estimate experimental experiments expressed extreme factor failure Figure flow fluid free surface frequency function given horizontal hydrodynamic important in-line included increase indicate integral length lift lift force linear load maximum mean measured Mechanics method mode motion nonlinear normal obtained Offshore oscillation parameters period pipeline potential predicted present pressure probability problem random range ratio reference relative reliability represented respectively response second order separation shear ship shown shows simulation solution structure surface Table term tests theory transverse uncertainty variables varying velocity vertical vortex wave force wave height