## 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 547

LUMPED

analysis of tension in towline by using the three ... chain . in this paper , the

towline is divided into the finite number of lumped

without

LUMPED

**MASS**METHOD This paper deals with the study of the dynamicanalysis of tension in towline by using the three ... chain . in this paper , the

towline is divided into the finite number of lumped

**masses**and linear springswithout

**mass**.Page 548

Further , these lumped

coordinate of each

Lumped

in Fig.2 .

Further , these lumped

**masses**are assumed to be non - elastic . ... Thecoordinate of each

**mass**point is obtained from following equations . ... Fig.2Lumped

**mass**j with drag force The local coordinate system is defined as shownin Fig.2 .

Page 592

A

of the CG in the unloaded lifeboat , 0.4 3. A

very nearly to the weight of the 50th percentile male which is 74.4 kg . Launch ...

A

**mass**equal to the**mass**of a person in each of the seats forward of the locationof the CG in the unloaded lifeboat , 0.4 3. A

**mass**... Such a**mass**correspondsvery nearly to the weight of the 50th percentile male which is 74.4 kg . Launch ...

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### Contents

SPECIAL SESSION HYDRODYNAMICS | 1 |

HYDRODYNAMIC FORCES | 29 |

SECONDORDER EFFECTS | 113 |

Copyright | |

47 other sections not shown

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### Common terms and phrases

acting amplitude analysis angle applied approach approximately assumed average body boundary cable calculated circular cylinder coefficients compared comparison components computed considered constant corresponding cylinder damping depth described determined diffraction direction distribution domain drag drift force effect element Engineering equation estimates experimental experiments expressed field Figure floating flow fluid follows free surface frequency function given height horizontal hydrodynamic incident included increase integral irregular waves length lift force linear loads mass maximum mean measured method mode mooring motion natural nonlinear obtained Ocean Offshore oscillation period phase platform points position potential predicted present pressure problem random range regular relative represents respectively response second order second-order separation ship shown shows simulation solution spectrum structure surge Table tests theory values velocity vertical vortex wave forces