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

### From inside the book

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Page 215

Lift force frequency is widely characterized by the

nondimensional parameter of the form where f is a frequency associated with

vortex-shedding, D is cylinder diameter, and V is the incident flow velocity. Note

that the ...

Lift force frequency is widely characterized by the

**Strouhal**number, anondimensional parameter of the form where f is a frequency associated with

vortex-shedding, D is cylinder diameter, and V is the incident flow velocity. Note

that the ...

Page 217

In the subcritical flow regime the unsteady lift spectrum is fairly narrow band, with

a center

regime the peak lift frequency can shift dramatically to higher

In the subcritical flow regime the unsteady lift spectrum is fairly narrow band, with

a center

**Strouhal**number (at the spectral peak) of about 0.2. In the transitionalregime the peak lift frequency can shift dramatically to higher

**Strouhal**values ...Page 228

D 4US„ XDSC where \ is velocity gradient, D is cylinder diameter, a is cylinder

amplitude, Sc is cylinder frequency, and Ss is the nominal

The constant 4 is derived from Stansby's data at subcritical Reynolds numbers.

D 4US„ XDSC where \ is velocity gradient, D is cylinder diameter, a is cylinder

amplitude, Sc is cylinder frequency, and Ss is the nominal

**Strouhal**frequency.The constant 4 is derived from Stansby's data at subcritical Reynolds numbers.

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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