## 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 345

The resulting stiffness

The resulting stiffness

**matrix**is time dependent due to fluctuations in the riser top tension . Further , Morison's equation is used for estimating the hydrodynamic load on the riser . Due to the nonlinearity of the drag term appearing ...Page 346

Riser layout and modeling Stiffness and Damping

Riser layout and modeling Stiffness and Damping

**Matrices**In practice the lateral deflection of the riser system is ... Further , following Spanos and Chen ( 1980 ) , the time dependent combined stiffness**matrix**( KCT ) is written as ...Page 401

ABSTRACT NOMENCLATURE A of 2 r · projected area vessel potential damping coeff .

ABSTRACT NOMENCLATURE A of 2 r · projected area vessel potential damping coeff .

**matrix**- vessel viscous damping coeff ... stiffness**matrix**case ( B ] 1t of S [ C ] r are ] - cables stiffness coefficient**matrix**mass coefficient for beam ...### What people are saying - Write a review

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### Contents

COMPLIANT STRUCTURES | 313 |

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

RISERSMOORINGSCABLES | 345 |

Copyright | |

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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 curve 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 installation length linear load marine mass matrix maximum mean measured method mode mooring motion natural nonlinear obtained offshore operation parameters performed period phase pile platform position predicted present problem production ratio relative represents respectively response riser rotating selection shown shows significant simulation soil solution static stiffness storage strain stress structure surface Table tension tests values vertical vessel water depth wave wind