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

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Page 221

Furthermore, the lift

equivalent stationary cylinder. ... At resonance in water, lift

risers are generally equilibrated by

Furthermore, the lift

**force**may be substantially different from that measured on anequivalent stationary cylinder. ... At resonance in water, lift

**forces**on cables andrisers are generally equilibrated by

**hydrodynamic**damping, meaning that ...Page 235

Estimating vortex-induced vibrations of marine risers or cables also requires

modeling

dynamic equilibrium. For example, consider a cable in shear flow over part of its

length.

Estimating vortex-induced vibrations of marine risers or cables also requires

modeling

**hydrodynamic forces**other than lift in order to realistically representdynamic equilibrium. For example, consider a cable in shear flow over part of its

length.

Page 236

Oscillated cylinder experiments generally collect force data for a variety of

oscillation frequencies and amplitudes, conducted ... While details of the

procedure vary, the Fourier series for the

typically computed ...

Oscillated cylinder experiments generally collect force data for a variety of

oscillation frequencies and amplitudes, conducted ... While details of the

procedure vary, the Fourier series for the

**hydrodynamic force**time history istypically computed ...

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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