## 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 17

Variation of fs and Hs with Wind Speed

8 - discus (bridle) Figure 4. Instantaneous Heave Amplitudes and Frequencies in

Sea State 8 for Discus Buoy (Bridle Mooring), Linear Case

Variation of fs and Hs with Wind Speed

**Hilbert transform**- buoy heave - sea state8 - discus (bridle) Figure 4. Instantaneous Heave Amplitudes and Frequencies in

Sea State 8 for Discus Buoy (Bridle Mooring), Linear Case

**Hilbert transform**...Page 46

A second-order wave effect becomes a linear combination of products of these

component time histories and their

the

A second-order wave effect becomes a linear combination of products of these

component time histories and their

**Hilbert transforms**. The decompositions andthe

**Hilbert transforms**can be realized by the fast Fourier transformation (FFT).Page 327

A()=#ppCiv'(0 4 Extracting lift force characteristics For the presumed form of the

lift force (equation 4), the

phase functions as a basis for our model development. Specifically, the envelope

...

A()=#ppCiv'(0 4 Extracting lift force characteristics For the presumed form of the

lift force (equation 4), the

**Hilbert transform**allows us to extract envelope andphase functions as a basis for our model development. Specifically, the envelope

...

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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