## 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 19

A higher order element discretisation of a novel integral equation is

is shown that this is capable of providing highly accurate first order results based

on a relatively small number of elements . Results are also given for the non ...

A higher order element discretisation of a novel integral equation is

**described**. Itis shown that this is capable of providing highly accurate first order results based

on a relatively small number of elements . Results are also given for the non ...

Page 33

Three different dimensionless time steps ( 0.02 , 0.01 , and 0.005 ) were used ;

the results were indistinguishable for a mesh spacing of 1/64 . and CM , the time -

dependent nondimensional force

...

Three different dimensionless time steps ( 0.02 , 0.01 , and 0.005 ) were used ;

the results were indistinguishable for a mesh spacing of 1/64 . and CM , the time -

dependent nondimensional force

**description**for an oscillating flow is Cp = C , ūIT...

Page 73

Finally , by use of the curvilinear coordinate system , a more detailed

is achieved at interesting locations , see ... behind the pipes a more coarse

model .

Finally , by use of the curvilinear coordinate system , a more detailed

**description**is achieved at interesting locations , see ... behind the pipes a more coarse

**description**is used . turbulent flow is**described**by use of the discrete vortexmodel .

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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