## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 13, Parts 1-2American Society of Mechanical Engineers, 1994 - Arctic regions |

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Page 235

4 Added

transverse to the incident flow . This drag always opposes cylinder velocity , and

therefore contributes hydrodynamic damping to the system . For relatively small ...

4 Added

**Mass**and Damping Forces The first term is the component of drag forcetransverse to the incident flow . This drag always opposes cylinder velocity , and

therefore contributes hydrodynamic damping to the system . For relatively small ...

Page 237

The ordinate is the added

in the previous section , these data represent a single frequency approximation to

applied hydrodynamic force on an oscillating cylinder . Sarpkaya ( 1977 ) gives ...

The ordinate is the added

**mass**coefficient , as defined previously . As discussedin the previous section , these data represent a single frequency approximation to

applied hydrodynamic force on an oscillating cylinder . Sarpkaya ( 1977 ) gives ...

Page 238

At frequencies above the lock - in boundary , as either cylinder frequency

increases or flow velocity decreases , added

2 . 0 , analogous to the case of a fluid oscillating about a stationary cylinder .

coefficient ...

At frequencies above the lock - in boundary , as either cylinder frequency

increases or flow velocity decreases , added

**mass**increases to a maximum near2 . 0 , analogous to the case of a fluid oscillating about a stationary cylinder .

coefficient ...

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### Contents

OCEAN WAVES AND ENERGY | 1 |

Load Control Method and Its Realization on an OWC Wave Power Converter | 19 |

Nonlinearity in CrestTrough Statistics of Bretschneider Seas | 27 |

Copyright | |

9 other sections not shown

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### Common terms and phrases

amplitude analysis applied approach assessment assumed boundary calculated coefficient compared components considered correlation corresponding cost crack curve cylinder damping depth determined developed direction distribution drag dynamic effects energy Engineering equation estimated expressed extreme factor failure fatigue field Figure flow fluid frequency function given height hydrodynamic important increase initial inspection installation integration interaction joints length lift force limit linear load mass maximum mean measured Mechanics method modes mooring motion nonlinear normal obtained offshore operation oscillation parameters peak performed period phase platform potential predicted present pressure probability problem procedure random range ratio relative reliability represent respectively response risk safety shown shows significant simulation solution statistical stress structure surface Table tower variables velocity wave wind