## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1992 - Arctic regions |

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Page 225

20 << 1 , we where obtain for the quadratic T ( 10 ) Again , assuming x

20 << 1 , we where obtain for the quadratic T ( 10 ) Again , assuming x

**damping**model : the B For a linear defined as : system the critical**damping**ratio is 1 - It 쑖 3л Qa ( 17 ) cer 3 2mw . ( 11 ) and the relative**damping**ratio is ...Page 233

The

The

**damping**matrix includes structural**damping**, soil - structure interaction and hydrodynamic potential**damping**. Normal modelling practice for the structural**damping**is to use a linear and viscous**damping**model .Page 301

SELF

SELF

**DAMPING**OF FLEXIBLE RISERS G. J. Lyons and J. Fang Department of Mechanical Engineering University College London London , United Kingdom 21 Table 2 Measured free vibration frequency and logarithmic dectement as.### What people are saying - Write a review

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### Contents

HYDRODYNAMIC FORCES | 69 |

WaveCurrent Forces on Slender Circular Cylinder | 117 |

DYNAMICS OF STRUCTURES | 127 |

Copyright | |

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### Common terms and phrases

added amplitude analysis angle applied body boundary buoy calculated coefficients compared components considered corresponding cylinder damping dependent depth determined developed direction displacement distribution drag dynamic effect energy Engineering equation estimated excitation experimental experiments expressed extreme field Figure floating flow fluid force frequency function given heave height hydrodynamic increase installation integration International length lift force linear load mass mean measured Mechanics method mode motion natural nonlinear normal observed obtained Ocean Offshore operation oscillation parameters peak period pipe platform position potential predicted present pressure problem production range reduced reference region relative Research respectively response riser second-order ship shown shows significant simulation solution spectrum speed structure surface surge Table technique Technology values velocity vertical vessel wave