## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2; Volume 8, Part 2American Society of Mechanical Engineers, 1989 - Arctic regions |

### From inside the book

Results 1-3 of 78

Page 319

ON THE

PIPELINE A. Torum Norwegian Institute of Technology / Norwegian

Hydrotechnical Laboratory B. Bostrom and A. B. Sandey Norwegian Institute of

Technology ...

ON THE

**DAMPING**OF AND FORCES ON A CURRENT INDUCED VIBRATINGPIPELINE A. Torum Norwegian Institute of Technology / Norwegian

Hydrotechnical Laboratory B. Bostrom and A. B. Sandey Norwegian Institute of

Technology ...

Page 321

8 . ms fn , Hz f , Hz in air in water S / ms kg Ks ma kg Since all the data in Griffin's

diagram were for cylinders vibrating far from any fixed boundary . it was felt useful

to investigate how the structural

8 . ms fn , Hz f , Hz in air in water S / ms kg Ks ma kg Since all the data in Griffin's

diagram were for cylinders vibrating far from any fixed boundary . it was felt useful

to investigate how the structural

**damping**would effect the vibration amplitude ...Page 510

X1 / 3 = significant value of lowfrequency motion From the above expressions we

get be as much as one order of magnitude higher than the viscous hull

In carefully conducted model tests these contributions will not be subject to ...

X1 / 3 = significant value of lowfrequency motion From the above expressions we

get be as much as one order of magnitude higher than the viscous hull

**damping**.In carefully conducted model tests these contributions will not be subject to ...

### What people are saying - Write a review

We haven't found any reviews in the usual places.

### Contents

HYDRODYNAMIC FORCES | 1 |

WaveCurrent Force on Horizontal Cylinder | 7 |

DoubleFactor Method for the Linearization of Drag Force | 39 |

Copyright | |

45 other sections not shown

### Other editions - View all

### Common terms and phrases

added mass amplitude analysis applied approach approximately assumed body boundary calculated circular compared components computed considered correlation corresponding cylinder damping defined depends depth described determined direction distribution drag coefficient drift force effect elements Engineering equation estimate experimental experiments expressed extreme factor failure Figure flow fluid free surface frequency function given horizontal hydrodynamic important in-line included increase indicate integral length lift lift force linear load maximum mean measured Mechanics method mode motion nonlinear normal obtained Offshore oscillation parameters period pipeline potential predicted present pressure probability problem random range ratio reference relative reliability represented respectively response second order separation shear ship shown shows simulation solution structure surface Table term tests theory transverse uncertainty variables varying velocity vertical vortex wave force wave height