## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9American Society of Mechanical Engineers, 1990 - Arctic regions |

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Page 321

ABSTRACT B = Femax The

to the combined action of current , wind and waves . In this paper the

orientation and corresponding mooring line loads are examined in terms of the ...

ABSTRACT B = Femax The

**vessel**moored to a single point mooring is subjectedto the combined action of current , wind and waves . In this paper the

**vessel**orientation and corresponding mooring line loads are examined in terms of the ...

Page 322

Since the moored

, « F Xwxwa + F it is possible to neglect it in this study . Fi = Fxc + FxW + Fxwa ( 3 .

3 ) XW xwa 3 . 3 CURRENT FORCE The current is defined for the calculation ...

Since the moored

**vessel**propeller or tug force denoted by F . is relatively small F, « F Xwxwa + F it is possible to neglect it in this study . Fi = Fxc + FxW + Fxwa ( 3 .

3 ) XW xwa 3 . 3 CURRENT FORCE The current is defined for the calculation ...

Page 403

The hydrodynamic wave exciting forces on the riser are estimated by the

following Morison ' s equation ; Mathematical Model Six degrees of freedom are

considered to the

4 ) [ Mg ] ...

The hydrodynamic wave exciting forces on the riser are estimated by the

following Morison ' s equation ; Mathematical Model Six degrees of freedom are

considered to the

**vessel**motions as follows ; Fue - Cm DA 0 , + 0 . 5 CP Dulu , ! (4 ) [ Mg ] ...

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### Contents

Identification of NonLinear Effects in Predicting the Motion Response of Mobile Platforms | 337 |

RISERSMOORINGSCABLES | 345 |

HYDRODYNAMIC FORCES | 347 |

Copyright | |

13 other sections not shown

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### Common terms and phrases

alternative amplitude analysis applied approach array axial barge bending brace buoyancy cable calculated coefficient combination compared configuration considered corresponding curvature curve damage damping defined deflection determined developed direction displacement distribution drag dynamic effects elements Engineering environmental equation estimated extreme factor fatigue Figure flexible riser flow force frequency function given height important increase indicate installation length linear load marine mass matrix maximum mean measured method mode mooring motion natural nonlinear normal obtained offshore operation parameters performed period phase pile platform position predicted present problem production relative represent respectively response riser rotating selection shown shows simulation soil solution static stiffness storage strain stress structure surface Table tension tests values vertical vessel water depth wave wind