## 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 Cf = C UT ...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

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