## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 1; Volume 7, Part 1American Society of Mechanical Engineers, 1988 - Arctic regions |

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Page 305

A method is proposed to extract the mass , damping , and stiffness

A method is proposed to extract the mass , damping , and stiffness

**matrices**of structures from the estimated modal ... Discrete system eigen values : Tower eigen vectors 그 i : Complex modal vectors U : Complex modal**matrix**: Eigen ...Page 308

19 P = diag ( P2 , P2 , ... , Pod O < O < 2 ( 17 ) Using this definition of the complex modal

19 P = diag ( P2 , P2 , ... , Pod O < O < 2 ( 17 ) Using this definition of the complex modal

**matrix**, equations ... We present in next sections a method to estimate the M , C , and K**matrices**from these estimated modal parameters .Page 309

Note that all the elements of these

Note that all the elements of these

**matrices**are contained in the parameter vector which is identified by the recursion of equation ( 13 ) . ... The mass and damping**matrix**of the model of equation ( 1 ) can then be redefined as : 8 .### What people are saying - Write a review

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### Contents

FLOATING PRODUCTION SYSTEMS | 1 |

OFFSHORE MECHANICS | 23 |

Early Production Systems in the North | 31 |

Copyright | |

43 other sections not shown

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analysis anchor applied bending calculations column components Conference connected considerable considered construction cost curve damage depth determined direction displacement distribution drilling dynamic effect element energy Engineering equation equipment excitation fatigue field Figure fixed flexible floating flow forces frequency function geometry included increase inspection installation International joint length limit linear load lower mass matrix maximum mean measured Mechanics method mode model tests mooring mooring system motion natural obtained Offshore operating parameters performance period phase pile pipe pipeline platform position presented pressure production ratio response riser RPIT shear shown shows significant soil static stiffness strength stress structure surface Table technique Technology tension tool tower turbine unit vessel wave weight