## 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 166

We assumed low - frequency damping is the sum of still water damping and wave

We assumed low - frequency damping is the sum of still water damping and wave

**drift**damping . Still water damping for the DDF was obtained from a numerically simulated extinction test in still water ; for the TPS , by applying Froude ...Page 171

This was , of course , due to the difference in the method of estimating

This was , of course , due to the difference in the method of estimating

**drift**forces . Mean values obtained from the two sets of simulations using Marthinsen's method are practically identical , which was expected since damping did not ...Page 255

The mean second order horizontal

The mean second order horizontal

**drift**forces and the mean second order yaw moment are discussed , and numerical examples are presented for a ship and a platform . The mean**drift**forces are usually increased by a small forward speed ...### What people are saying - Write a review

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### Contents

SPECIAL SESSION HYDRODYNAMICS | 1 |

HYDRODYNAMIC FORCES | 29 |

Simulated High Reynolds Number Flow and Forces on Cylinder Groups | 71 |

Copyright | |

47 other sections not shown

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### Common terms and phrases

acting amplitude analysis angle applied approach approximately assumed average body boundary cable calculated circular cylinder coefficients compared comparison components computed considered constant corresponding cylinder damping depth described determined diffraction direction distribution domain drag drift force effect element Engineering equation estimates experimental experiments expressed field Figure floating flow fluid follows free surface frequency function given height horizontal hydrodynamic included increase integral irregular waves length lift force linear loads mass maximum mean measured method mode mooring motion natural nonlinear obtained Ocean Offshore oscillation period phase platform points position potential predicted present pressure problem random range regular relative represents respectively response second order second-order separation ship shown shows simulation solution spectrum structure surge Table tests theory values velocity vertical vortex wave forces