## 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 105

1991 OMAE – Volume 1 - A , Offshore Technology ASME – 1991 NUMERICAL

SIMULATION OF NONLINEAR WAVE

CYLINDER Chi Yang and R. Cengiz Ertekin Department of Ocean Engineering

University of ...

1991 OMAE – Volume 1 - A , Offshore Technology ASME – 1991 NUMERICAL

SIMULATION OF NONLINEAR WAVE

**DIFFRACTION**BY A VERTICALCYLINDER Chi Yang and R. Cengiz Ertekin Department of Ocean Engineering

University of ...

Page 125

In this paper , a theory for nonlinear

mounted , surface - piercing vertical circular cylinders is presented . By

considering that the incident wave field is a stationary random process , the

nonlinear ...

In this paper , a theory for nonlinear

**diffraction**of random waves by a bottom -mounted , surface - piercing vertical circular cylinders is presented . By

considering that the incident wave field is a stationary random process , the

nonlinear ...

Page 132

the second - order

or comparable to that of the first - order at 0.5 Hz , indicating the significance of ...

**diffraction**forces at the corresponding frequencies , and the spectral impulses ofthe second - order

**diffraction**force at frequencies higher than 0.5 Hz are greateror comparable to that of the first - order at 0.5 Hz , indicating the significance of ...

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### Contents

SPECIAL SESSION HYDRODYNAMICS | 1 |

HYDRODYNAMIC FORCES | 29 |

SECONDORDER EFFECTS | 113 |

Copyright | |

47 other sections not shown

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### Common terms and phrases

acting amplitude analysis angle applied approach approximately assumed average body boundary cable calculated circular cylinder coefficients compared comparison components computed considered constant corresponding cylinder damping depth described determined diffraction direction distribution domain drag drift force effect element Engineering equation estimates experimental experiments expressed field Figure floating flow fluid follows free surface frequency function given height horizontal hydrodynamic incident included increase integral irregular waves length lift force linear loads mass maximum mean measured method mode mooring motion natural nonlinear obtained Ocean Offshore oscillation period phase platform points position potential predicted present pressure problem random range regular relative represents respectively response second order second-order separation ship shown shows simulation solution spectrum structure surge Table tests theory values velocity vertical vortex wave forces