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

### From inside the book

Results 1-3 of 90

Page 95

Through comparison of experimental results with calculated data , it is clear that

the method for calculating hydrodynamic forces

current co - existing field under irregular waves is feasible . Uw = velocity of water

...

Through comparison of experimental results with calculated data , it is clear that

the method for calculating hydrodynamic forces

**acting**on cylinder in the wavecurrent co - existing field under irregular waves is feasible . Uw = velocity of water

...

Page 96

The total force

( t ) = S70 ( 2 , t ) * dz + SO4 , ( 2 , t ) * dz ( 4 ) Frequency Domain Analysis Firstly

the auto - spectrum of force or cross - spectrum between force and surface ...

The total force

**acting**on the whole length of cylinder can be calculated by Eq.4 F( t ) = S70 ( 2 , t ) * dz + SO4 , ( 2 , t ) * dz ( 4 ) Frequency Domain Analysis Firstly

the auto - spectrum of force or cross - spectrum between force and surface ...

Page 109

The total force

F ( t ) = 5,40 ( 2 , t ) * dz + SO4 , ( 2 , t ) * dz ( 4 ) Frequency Domain Analysis

Firstly the auto - spectrum of force or cross - spectrum between force and surface

...

The total force

**acting**on the whole length of cylinder can be calcu . lated by Eq.4F ( t ) = 5,40 ( 2 , t ) * dz + SO4 , ( 2 , t ) * dz ( 4 ) Frequency Domain Analysis

Firstly the auto - spectrum of force or cross - spectrum between force and surface

...

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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