## 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

Results 1-3 of 94

Page 255

Coupling between the oscillatory wave field and the steady flow around the

is accounted for . Friction and separation effects are disregarded , and the fluid

flow is modelled by potential theory . The boundary value problem for the velocity

...

Coupling between the oscillatory wave field and the steady flow around the

**body**is accounted for . Friction and separation effects are disregarded , and the fluid

flow is modelled by potential theory . The boundary value problem for the velocity

...

Page 256

3 The boundary value problem Let us consider the problem in the frame of

reference translating with the steady forward speed of the

introduce a coordinate system ( -xyz with the x- and y - axes in the mean free

surface and ...

3 The boundary value problem Let us consider the problem in the frame of

reference translating with the steady forward speed of the

**body**, and let usintroduce a coordinate system ( -xyz with the x- and y - axes in the mean free

surface and ...

Page 485

Finite element meshes for twin -

0 3 4 5 6 7 10 Fig . 4. Damping coefficient for the upwave

Au A22 A33 -20 TIITTITTTTTTTTTTTTTTTTTTTTTTTTTTTTTT шшш Heave 2 ...

Finite element meshes for twin -

**body**problem ( R / D = 1 : 2 , R / L = 1 : 2 ) . 0 hus0 3 4 5 6 7 10 Fig . 4. Damping coefficient for the upwave

**body**of twinbody . 5 -10Au A22 A33 -20 TIITTITTTTTTTTTTTTTTTTTTTTTTTTTTTTTT шшш Heave 2 ...

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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