## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, Parts 1-2American Society of Mechanical Engineers, 2004 - Arctic regions |

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Page 83

In the present formulation it is assumed that the flow

inviscid . This allows the estimation of the ... et al equation context . Velocity

potentials are adopted to express the oblique flow

the ...

In the present formulation it is assumed that the flow

**fields**are irrotational andinviscid . This allows the estimation of the ... et al equation context . Velocity

potentials are adopted to express the oblique flow

**fields**in 3D : for a wave**field**inthe ...

Page 84

exists and is here called a wave - current flow

potential is assumed hence to exist and is used to describe this combined wave -

current

exists and is here called a wave - current flow

**field**in the N direction . A velocitypotential is assumed hence to exist and is used to describe this combined wave -

current

**field**. It is given by the following expression to second order in the ...Page 86

expressed respectively , as follows ( see also for example Chakrabarti , 1987 ) :

The pressure distribution in the wave - current

from the dynamic free surface boundary condition as : F , = Cy . 4v Du ( 28 ) pga '

k ...

expressed respectively , as follows ( see also for example Chakrabarti , 1987 ) :

The pressure distribution in the wave - current

**field**to second order is obtainedfrom the dynamic free surface boundary condition as : F , = Cy . 4v Du ( 28 ) pga '

k ...

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