## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2American Society of Mechanical Engineers, 2001 - Arctic regions |

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Page 178

+ mo ( 26 ) where mm = Var ( 21 ) , i = 1,2 and mou ) = Var [ Zw ) . vž , ( 0 )

denotes the mean zero upcrossing rate of the Gaussian component 21 , while the

mean upcrossing rates at the reference levels for the slow -

i.e. ...

+ mo ( 26 ) where mm = Var ( 21 ) , i = 1,2 and mou ) = Var [ Zw ) . vž , ( 0 )

denotes the mean zero upcrossing rate of the Gaussian component 21 , while the

mean upcrossing rates at the reference levels for the slow -

**drift**component 22 (i.e. ...

Page 179

cos " distribution 0.8 64 distribution ( cos ( theta ) ) ' s ) 0.6 0.4 The mean

forced on the other hand , which also requires only the first order potential for its

evaluation , is less robust and , in the quite important period range from 9 to 13 ...

cos " distribution 0.8 64 distribution ( cos ( theta ) ) ' s ) 0.6 0.4 The mean

**drift**forced on the other hand , which also requires only the first order potential for its

evaluation , is less robust and , in the quite important period range from 9 to 13 ...

Page 182

For the present environmental conditions , the mean offset due to wind is around

3-4 times the size of the mean

dynamics due to wind is comparable in magnitude to the low frequency wave ...

For the present environmental conditions , the mean offset due to wind is around

3-4 times the size of the mean

**drift**due to waves . Furthermore , the slow**drift**dynamics due to wind is comparable in magnitude to the low frequency wave ...

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