## 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 154

... first order wave force and the second term describes the second order wave

force. By transforming the above equation into the

transform of the wave force F(u) can be expressed as: F(u) - H(1)(u)A(w) H(2)(/i,w

- ...

... first order wave force and the second term describes the second order wave

force. By transforming the above equation into the

**frequency**domain, the Fouriertransform of the wave force F(u) can be expressed as: F(u) - H(1)(u)A(w) H(2)(/i,w

- ...

Page 182

An alternative is the 'square root of sum of squares' (SRSS) formula: low wave

a ship moore Apparent discrepancies between theory can become very In most ...

An alternative is the 'square root of sum of squares' (SRSS) formula: low wave

**frequencies**uc may be partly due to ... Figure 3, for ex the low-**frequency**force ona ship moore Apparent discrepancies between theory can become very In most ...

Page 157

1 line of equivalent of the mean drift operator ( MDO ) the force QTFs . and well

below the

considering only the low

results ...

1 line of equivalent of the mean drift operator ( MDO ) the force QTFs . and well

below the

**frequency**range of the waves . For this reason , we are justified inconsidering only the low

**frequency**forces in the response simulations . a Theresults ...

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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