## 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 28

PRELIMINARY CONSIDERATIONS Bretschneider seas are those wind-driven

seas in deep water whose amplitude

equation, or its equivalent (Bretschneider, 1959): S= — HsJexP(- 4 u> (1) where

5 ...

PRELIMINARY CONSIDERATIONS Bretschneider seas are those wind-driven

seas in deep water whose amplitude

**spectra**are described by the followingequation, or its equivalent (Bretschneider, 1959): S= — HsJexP(- 4 u> (1) where

5 ...

Page 29

In particular, linear theory (Longuet-Higgins, 1984) provides the following

equations: NDE = C- and Nib = N, DE where P denotes the Rayleigh cumulative

probability defined by i> = exp(-8-^) "s and C denotes a

defined by ...

In particular, linear theory (Longuet-Higgins, 1984) provides the following

equations: NDE = C- and Nib = N, DE where P denotes the Rayleigh cumulative

probability defined by i> = exp(-8-^) "s and C denotes a

**spectral**coefficientdefined by ...

Page 30

Values of the

equal to zero, are shown in Figure 2 as a function of the relative threshold level a/

H$. It can be seen that some dependence of the

Values of the

**spectral**coefficient C, determined from equation (12) with R setequal to zero, are shown in Figure 2 as a function of the relative threshold level a/

H$. It can be seen that some dependence of the

**spectral**coefficient on the ...### What people are saying - Write a review

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### Contents

OCEAN WAVES AND ENERGY | 1 |

HYDRODYNAMIC FORCES | 45 |

COMPUTATIONAL HYDRODYNAMICS | 91 |

Copyright | |

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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