## 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 705

where s is the directional spreading index , 0 , is the mean

( s ) is set such that the total

The directional spreading index and the mean

where s is the directional spreading index , 0 , is the mean

**wave**direction , and C( s ) is set such that the total

**wave**energy within the spectrum remains constant .The directional spreading index and the mean

**wave**direction are obtained from ...Page 1098

ż = Az + Bu + Ht ,

A = 2n 2n system matrix ; B = 2n x m controller location matrix ; and H 2n xr

external excitation location matrix . Specifically , X ( t ) z ( t ) = under initial

conditions z ...

ż = Az + Bu + Ht ,

**wave**( 5 , 6 ) y = Cz where z ( t ) = n - dimensional state vector ;A = 2n 2n system matrix ; B = 2n x m controller location matrix ; and H 2n xr

external excitation location matrix . Specifically , X ( t ) z ( t ) = under initial

conditions z ...

Page 1107

List of

No. 1 2 3 4 5 6 7 8 9 10 Regular Regular Regular Regular Regular Regular

Regular Regular Regular Regular Hs / H ( m ) 1.8 2.4 3.2 4.0 5.0 6.0 7.2 are 8.0

9.0 ...

List of

**waves**for model tests .**Wave**Type H2 ( m ) Tp / T ( s ) 6.0 T2 ( s ) 7.0**Wave**No. 1 2 3 4 5 6 7 8 9 10 Regular Regular Regular Regular Regular Regular

Regular Regular Regular Regular Hs / H ( m ) 1.8 2.4 3.2 4.0 5.0 6.0 7.2 are 8.0

9.0 ...

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