## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1991 - Arctic regions |

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Page 168

We did not simulate

We did not simulate

**drift**force and**drift**damping by this method , because we were unable to find two filters needed to produce time series that are Hilbert ...Page 168

The wave system described by equation ( 2 ) exerts a second - order wave (

The wave system described by equation ( 2 ) exerts a second - order wave (

**drift**) force on the platform that can be expressed by the double summation : WL ...Page 171

This was , of course , due to the difference in the imental investigation of the low frequency motions of a single method of estimating

This was , of course , due to the difference in the imental investigation of the low frequency motions of a single method of estimating

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### Contents

CONTENTS | 131 |

High Frequency Hydrodynamic Damping of a TLP | 147 |

A Comparison of Results | 153 |

Copyright | |

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### Common terms and phrases

acceleration added amplitude analysis angle applied approach approximately assumed body boundary cable calculated coefficients compared components computed considered constant coordinate corresponding cylinder damping depth determined developed diffraction direction displacement distribution domain drag drift dynamic effect element Engineering equation estimated experimental experiments expressed field Figure floating flow fluid force free surface frequency function given height hydrodynamic included increase integral length lift force linear load mass maximum mean measured Mechanics method mode mooring motion natural nonlinear obtained Offshore operation oscillation period phase pile platform position potential predicted present pressure problem production range ratio relative represents respectively response second-order separation ship shown shows simulation solution stiffness structure surface surge Table Technology tension tests theory values velocity vertical vessel wave