## Proceedings of the ... International Conference on Offshore Mechanics and Arctic EngineeringAmerican Society of Mechanical Engineers, 1994 - Arctic regions |

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Page 235

5.4

focused exclusively on lift, which is the source of excitation force for vortex-

induced vibrations. Estimating vortex-induced vibrations of marine risers or

cables also ...

5.4

**Added Mass**and Damping Forces The previous sections of this paperfocused exclusively on lift, which is the source of excitation force for vortex-

induced vibrations. Estimating vortex-induced vibrations of marine risers or

cables also ...

Page 237

It is straightforward to extract

data at frequencies outside of the lock-in region. It follows that a simple model for

VIV could be constructed using lift coefficient data from Section 4 through Section

...

It is straightforward to extract

**added mass**and damping coefficients from thesedata at frequencies outside of the lock-in region. It follows that a simple model for

VIV could be constructed using lift coefficient data from Section 4 through Section

...

Page 238

At frequencies above the lock-in boundary, as either cylinder frequency

increases or flow velocity decreases,

2.0, analogous to the case of a fluid oscillating about a stationary cylinder.

At frequencies above the lock-in boundary, as either cylinder frequency

increases or flow velocity decreases,

**added mass**increases to a maximum near2.0, analogous to the case of a fluid oscillating about a stationary cylinder.

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### Contents

OCEAN WAVES AND ENERGY | 1 |

HYDRODYNAMIC FORCES | 45 |

COMPUTATIONAL HYDRODYNAMICS | 91 |

Copyright | |

7 other sections not shown

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### Common terms and phrases

added mass amplitude analysis boundary conditions buoy calculated Circular Cylinder compliant tower components correlation length curve deck diameter diffraction drag coefficient drag force drift force dynamic effects energy Engineering envelope equation experimental Figure fluid Fluid Mechanics free surface heave Hilbert transform horizontal hydrodynamic hydrodynamic force incident wave increase installation interaction irregular waves lift coefficient lift force linear load control lock-in matrix maxima maximum measured method model tests modes mooring line nonlinear obtained Ocean OMAE oscillating cylinder parameters peak phase pipe platform predicted present pressure problem quadratic Quickwave random ratio Reynolds number riser seastate second-order shear shedding frequency shown simulation solution spectral spectrum stationary cylinder stiffeners Strouhal Strouhal number transfer function transverse turbulence uniform flow values vector velocity potential vertical vibration vortex shedding water depth wave force wave frequency wave height wave power wind