## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1990 - Arctic regions |

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Page 15

2.2.4 ARMA

2.2.4 ARMA

**methods**These**methods**are based on an approximation of the target spectrum . ... cos ( 2πί Δft + Φ :) ( 1 ) The interest of the**method**is that the sea elevation at a time step is obtained by linear combination of few terms ...Page 379

DYNAMIC ANALYSIS OF FLEXIBLE RISERS : A COMPARISON WITH A RANDOM VORTEX

DYNAMIC ANALYSIS OF FLEXIBLE RISERS : A COMPARISON WITH A RANDOM VORTEX

**METHOD**AND THE MORISON'S EQUATION P. Teigen and S. Loseth STATOIL Trondheim , Norway N. G. Skomedal Veritas Research Hovik , Norway et.al.Page 107

As an improvement to equivalent stochastic linearization of the drag force , an equivalent stochastic " quadratization "

As an improvement to equivalent stochastic linearization of the drag force , an equivalent stochastic " quadratization "

**method**is proposed , in which the drag force nonlinearity is replaced by an " equivalent " quadratic nonlinearity .### What people are saying - Write a review

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### Contents

DESIGN METHODS OF STRUCTURES | 10 |

OCEAN WAVES | 11 |

Simulation of Hurricane Seas in a Multidirectional Wave Basin | 17 |

Copyright | |

30 other sections not shown

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### Common terms and phrases

added amplitude analysis applied array bending body boundary calculated coefficient compared comparison component considered corresponding crest curve cylinder damping defined dependent depth determined developed direction displacement distribution drag dynamic effect element Engineering equation estimated experimental experiments factor field Figure flow forward frequency function given hydrodynamic increase integral interval length lift force linear load mass maximum mean measured method mooring motion natural nonlinear obtained Offshore oscillation parameters period pile plate platform potential predicted present pressure problem range ratio relative respectively response riser ship shown simulation solution spectra spectrum speed stress structure surface surge Table tension theory values velocity vertical vessel vortex wave force wave height wind