## 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 110

2.2.2

further

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 ' isfurther

**defined**as the difference between the 95th and 5th percentiles of the top ...Page 155

r dr 12 where , s is the maximum value of the integer n which makes the value of

the right hand side of Eq . ( 17 ) to be negative , and in ' is

The solutions of Eq . ( 18 ) satisfying the radiation condition can be written as ...

r dr 12 where , s is the maximum value of the integer n which makes the value of

the right hand side of Eq . ( 17 ) to be negative , and in ' is

**defined**by dn ' = idniThe solutions of Eq . ( 18 ) satisfying the radiation condition can be written as ...

Page 506

Then a " form factor in oscillatory flow " is

used in traditional ship resistance theory . This

one in Ref . 6 . Basic hypotheses of this paper now are : The value of kosc will not

...

Then a " form factor in oscillatory flow " is

**defined**in analogy with the form factorused in traditional ship resistance theory . This

**definition**is consistent with theone in Ref . 6 . Basic hypotheses of this paper now are : The value of kosc will not

...

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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