## 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 74

Expressed in terms of discrete vortices : ' the flow and forces are highly dependent on the movement of the individual vortices close to the

Expressed in terms of discrete vortices : ' the flow and forces are highly dependent on the movement of the individual vortices close to the

**boundary**' . In the present model an integrated**boundary**layer model is used for determining ...Page 75

Hydraulic Rough

Hydraulic Rough

**Boundary**Layer In the case of the rough**boundary**layer the velocity profile is described by : vin , 11 +1 ) ( 21 ) V = Vilni y 30 +1 ] kg ( 15 ) к which is a good approximation to the velocity profile through all of the ...Page 230

The

The

**boundary**value problem governed by Poisson's equation can be converted into an integral equation via Green's second identity . Thus the potential at point P is given by waves are αφ ( Ρ ) Sg10 ( 0 ) - Gobojds + 62900 ) jas + S9Gdv ...### 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