## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1991 - Arctic regions |

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Page 154

In such sea states, the

In such sea states, the

**wave**force f (t) , up to the second order, in any mode on a floating body can be represented by the first two terms of a Volterra series : f(t) h(1)a(r)a(t-r)dr 4 -00 CO 00 + ||h(2)(r1,r2)a(t-T1)a(t-r2)dT1dr2 (1) ...Page 182

An alternative is the 'square root of sum of squares' (SRSS) formula: low

An alternative is the 'square root of sum of squares' (SRSS) formula: low

**wave**frequencies uc may be partly due to spurious ... extreme first-order and second-order forces, both of which tend to be associated with groups of high**waves**.Page 6

5

5

**WAVE**HEIGHTS AND**WAVE**PERIODS 7 , mean of T / Tc , is a function of e close to 1.0 , Te is the mean time interval between successive positive maxima and for a gaussian noise it is defined by 5.1**Wave**steepness m2 Tc = 27 , Fa - 1 ( 32 ) ...### What people are saying - Write a review

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### Contents

CONTENTS | 131 |

High Frequency Hydrodynamic Damping of a TLP | 147 |

A Comparison of Results | 153 |

Copyright | |

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### Common terms and phrases

acceleration added amplitude analysis angle applied approach approximately assumed body boundary cable calculated coefficients compared components computed considered constant coordinate corresponding cylinder damping depth determined developed diffraction direction displacement distribution domain drag drift dynamic effect element Engineering equation estimated experimental experiments expressed field Figure floating flow fluid force free surface frequency function given height hydrodynamic included increase integral length lift force linear load mass maximum mean measured Mechanics method mode mooring motion natural nonlinear obtained Offshore operation oscillation period phase pile platform position potential predicted present pressure problem production range ratio relative represents respectively response second-order separation ship shown shows simulation solution stiffness structure surface surge Table Technology tension tests theory values velocity vertical vessel wave