## 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

( 1986 ) , for example , showed that waves significantly effect low - frequency hydrodynamic force coefficients in surge , and investigations by Saito and Takagi ( 1988 ) demonstrated that

( 1986 ) , for example , showed that waves significantly effect low - frequency hydrodynamic force coefficients in surge , and investigations by Saito and Takagi ( 1988 ) demonstrated that

**wave drift**forces based on potential theory as ...Page 168

N fi ( t ) = { A ; sgn [ D ( w ; ) ] VID ( w ; ) | exp [ i ( w ; t + € ; ) ] j = 1 and N fz ( t ) = { AxVID ( wx ) / exp ( -i ( wat + € x ) ] k = 1 2.1 Low - Frequency

N fi ( t ) = { A ; sgn [ D ( w ; ) ] VID ( w ; ) | exp [ i ( w ; t + € ; ) ] j = 1 and N fz ( t ) = { AxVID ( wx ) / exp ( -i ( wat + € x ) ] k = 1 2.1 Low - Frequency

**Wave Drift**Force The irregular , long - crested wave train was ...Page 170

drift damping coefficients were plotted against damping ratios based on mean

drift damping coefficients were plotted against damping ratios based on mean

**wave drift**damping constants . ... Sample results of simulations using the geo - mean approach for the DDF and the TPS in waves corresponding to design and ...### What people are saying - Write a review

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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