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

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Page 109

INTRODUCTION A general technique for investigating the relative importance of

modelling

...

INTRODUCTION A general technique for investigating the relative importance of

**uncertainties**is described . ... NOMENCLATURE A factor for appurtenancemodelling

**uncertainty**bf factor for total**uncertainty**in Cd bh factor for wave height...

Page 110

2.2.2 Definition of the

defined by equation ( 1 ) in terms of

further defined as the difference between the 95th and 5th percentiles of the top ...

2.2.2 Definition of the

**Uncertainty**Index some a or The**uncertainty**index ( UI ) isdefined by equation ( 1 ) in terms of

**uncertainty**ranges , where a ' range ' isfurther defined as the difference between the 95th and 5th percentiles of the top ...

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 . It may be noted that Monte ...### What people are saying - Write a review

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### 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

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### 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