## 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 39

A two - input / singleoutput frequency domain model for the inline force is used to

directly identify frequency -

was also used to show the relative strength of the inertia and drag components ...

A two - input / singleoutput frequency domain model for the inline force is used to

directly identify frequency -

**dependent**inertia and drag coefficients . This modelwas also used to show the relative strength of the inertia and drag components ...

Page 457

1991 OMAE – Volume 1 - B , Offshore Technology ASME – 1991 ABSTRACT

INTRODUCTION This paper investigates theoretical formulations for the radiation

and ' drag '

1991 OMAE – Volume 1 - B , Offshore Technology ASME – 1991 ABSTRACT

INTRODUCTION This paper investigates theoretical formulations for the radiation

and ' drag '

**dependent**hydrodynamic damping mechanisms for vertical bottom ...Page 459

DRAG '

for a time length of record T = Ndt and for which fn = n / T and on is a random

angle 0-2n , with df = 1 / T . Trace n ( t ) when generated in this way would be ...

DRAG '

**DEPENDENT**DAMPING where n ( t ) is defined at regular time steps of dtfor a time length of record T = Ndt and for which fn = n / T and on is a random

angle 0-2n , with df = 1 / T . Trace n ( t ) when generated in this way would be ...

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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