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

### From inside the book

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Page 147

HIGH FREQUENCY HYDRODYNAMIC

Chakrabarti Chicago Bridge and Iron Technical Services Company Plainfield ,

Illinois S. Y. Hanna Conoco Incorporated Houston , Texas 2.5 ft . 6.0 ft . 575 lbs .

1,273.

HIGH FREQUENCY HYDRODYNAMIC

**DAMPING**OF A TLP LEG S. K.Chakrabarti Chicago Bridge and Iron Technical Services Company Plainfield ,

Illinois S. Y. Hanna Conoco Incorporated Houston , Texas 2.5 ft . 6.0 ft . 575 lbs .

1,273.

Page 149

The computed values of the added mass coefficient was higher , while the

computed

Since the

measured ...

The computed values of the added mass coefficient was higher , while the

computed

**damping**factor was considerably small than the measured ones .Since the

**damping**was found to be mostly linear , the difference between themeasured ...

Page 159

The radiation

cylinder motion . On the assumption of an essentially potential flow even in the

vicinity of the cylinder , this

theory ...

The radiation

**damping**originates from the radiated waves generated from thecylinder motion . On the assumption of an essentially potential flow even in the

vicinity of the cylinder , this

**damping**has been computed by linear diffractiontheory ...

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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