## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1990 - Arctic regions |

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Page 148

The added mass coefficient of the semisubmersible is seen to be a

times larger than for the tanker . A typical X - Y relationship using Eq . 13 is

presented in Fig . 6. With reference to this figure , the Y intercept is the damping

The added mass coefficient of the semisubmersible is seen to be a

**factor**of 2 to 3times larger than for the tanker . A typical X - Y relationship using Eq . 13 is

presented in Fig . 6. With reference to this figure , the Y intercept is the damping

**factor**...Page 225

Hence an accurate determination of Yw is not attempted here . Instead , empirical

equations given by Gurney et al . 1979 ) have been used . For a 45 ' non - load

carrying fillet weld the Yw

Hence an accurate determination of Yw is not attempted here . Instead , empirical

equations given by Gurney et al . 1979 ) have been used . For a 45 ' non - load

carrying fillet weld the Yw

**factor**is given by Yw – 0.7297 ( lv / T ) 0.063 ( a / T ) ...Page 231

... the important

fracture or plastic collapse are discussed . ... plate thickness ( brace or chord )

effective stress intensity

outcome of ...

... the important

**factors**which govern the failure of the joint either by fatigue ,fracture or plastic collapse are discussed . ... plate thickness ( brace or chord )

effective stress intensity

**factor**ratio ; also , standard normal random variableoutcome of ...

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### Contents

Simulation of Hurricane Seas in a Multidirectional Wave Basin | 17 |

HYDRODYNAMIC FORCES | 47 |

The Force Coefficients on Inclined Cylinder in Random Wave and Current | 57 |

Copyright | |

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### Common terms and phrases

acting added mass amplitude analysis applied array assumed body boundary calculated circular coefficient compared comparison component considered constant corresponding crest cylinder damping defined dependent depth determined direction distribution domain drag drift dynamic effect element elevation Engineering equation estimated experimental experiments expressed Figure flow fluid forward speed frequency function given heave horizontal hydrodynamic increase integral irregular length lift force linear load maximum mean measured method mooring motion nonlinear obtained Offshore oscillation parameters period phase pile plate potential predicted present pressure problem radiation range ratio reference regular waves relative respectively response riser second-order ship shown shown in Fig simulation solution spectra spectrum structure surface surge Table theory velocity vertical vessel wave force wave height wind