## 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 56

a ID a wave potential is used , the cnoidal wave solution is obtained under the

assumption , ( a ) the linear

coordinate system with the origin at the center of the jth cylinder can be

a ID a wave potential is used , the cnoidal wave solution is obtained under the

assumption , ( a ) the linear

**expression**of ... wave potential * in the localcoordinate system with the origin at the center of the jth cylinder can be

**expressed**as -inat ...Page 624

The dry density po of sediments is

7 ) Z DI Z In this study , Gs is assumed to be constant with depth . ( a ) ( b )

CONSTANTS AND SOIL PARAMETER In Eqs . ( 1 ) to ( 7 ) . The profiles in

relation to ...

The dry density po of sediments is

**expressed**by bottom :: Pa = Gs pw / ( 1 + e ) (7 ) Z DI Z In this study , Gs is assumed to be constant with depth . ( a ) ( b )

CONSTANTS AND SOIL PARAMETER In Eqs . ( 1 ) to ( 7 ) . The profiles in

relation to ...

Page 54

The spectral peak period in the i ' th sea state in the storm model is

a fraction Y ; of the average spectral peak period in the full storm , see Eq . ( 12 ) .

A lognormal distribution is assumed for the fraction Y ;, which can then be ...

The spectral peak period in the i ' th sea state in the storm model is

**expressed**asa fraction Y ; of the average spectral peak period in the full storm , see Eq . ( 12 ) .

A lognormal distribution is assumed for the fraction Y ;, which can then 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