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

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Page 56

One is the lift force and another is the force excited by vertical component (

caused by the vortex shedding and

by many ...

One is the lift force and another is the force excited by vertical component (

**velocity**and acceleration) of wave particle movement. The lift forces Ft ' arecaused by the vortex shedding and

**velocity**gradient phenomena. As mentionedby many ...

Page 94

(20) and applying the second-step BEM, i.e. the integral equation given by Eq.(6),

we can obtain the time derivative of the

surface. Substituting again pt'(t+At) into Eq.(18), d2Xi'/dt2 can be calculated.

(20) and applying the second-step BEM, i.e. the integral equation given by Eq.(6),

we can obtain the time derivative of the

**velocity**potential opt'(t+At) on the bodysurface. Substituting again pt'(t+At) into Eq.(18), d2Xi'/dt2 can be calculated.

Page 268

The dimensionless normal

Eqs. (16) and (17). We have used two different normal

one case, we assume that the normal component of the intake

...

The dimensionless normal

**velocity**, U. , at the pipe entrance, must be specified inEqs. (16) and (17). We have used two different normal

**velocity**distributions. Inone case, we assume that the normal component of the intake

**velocity**is constant...

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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