## 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 295

The 9 - DOF dynamic model incorporated hull motions coupled with nonlinear large - angle

The 9 - DOF dynamic model incorporated hull motions coupled with nonlinear large - angle

**load**swing and elastic stretch of the hoisting rope assembly . Hydrodynamic response forces and wave excitation forces were taken to be frequency ...Page 297

axes , all exclusive of the hook

axes , all exclusive of the hook

**load**. The net external time - varying force components X , Y , Z resolved along axes x , y , z and their moments L , M , N about 0 were postulated as a linear superposition of seven effects : where ...Page 299

For

For

**load**surge , however , correlation seems closer to linearized calculations . ... of values derived from wave packets near resonance , specially if damping is low as was the case for the normal mode associated with**load**swing .### What people are saying - Write a review

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### Contents

CONTENTS | 1 |

OFFSHORE TECHNOLOGY PART | 12 |

Simulation of Hurricane Seas in a Multidirectional Wave Basin | 17 |

Copyright | |

20 other sections not shown

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### Common terms and phrases

acting added amplitude analysis applied array body boundary calculated circular coefficient compared comparison component computed considered constant crest cylinder damping defined depends depth determined direction distribution domain drag drift dynamic effect elevation Engineering equation estimated experimental experiments factor field Figure flow fluid frequency function given horizontal hydrodynamic incident increase integral irregular KC number length lift lift force linear load mass maximum mean measured method moored motion nonlinear obtained Offshore oscillation parameters peak period pile plate potential predicted presented pressure problem radiation random range ratio regular waves relative respectively response second-order ship shown shows simulation solution spectra spectrum speed structure surface surge Table technique term theory tion velocity vertical vessel vortex wave force wave height