## 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 106

Uncertainties in Ap can be considered in the

growths increase member diameters in a random fashion as it can be expressed ,

Du = D + 2 Xbuch ) ( 17 ) Damping ratios : Since the modal analysis technique is

...

Uncertainties in Ap can be considered in the

**drag**force coefficient . Marinegrowths increase member diameters in a random fashion as it can be expressed ,

Du = D + 2 Xbuch ) ( 17 ) Damping ratios : Since the modal analysis technique is

...

Page 301

... 1 ) ( 7 ) where V a and B is the wind velocity , g is the gravity acceleration , are

the constant parameters Que = 0 . 0081 , Behe = 0 . 74 ( 3a ) , ( 36 ) where C , is

the Morison

... 1 ) ( 7 ) where V a and B is the wind velocity , g is the gravity acceleration , are

the constant parameters Que = 0 . 0081 , Behe = 0 . 74 ( 3a ) , ( 36 ) where C , is

the Morison

**drag**coefficient and U . ( z ) is the current velocity at depth z . In eq .Page 305

Note that in this case , the Morison

relative fluid - structure velocity v ( 3 , 1 ) . Therefore , as first proven in reference (

19 ) , the computed quadratic terms in the equivalent

21 ) ...

Note that in this case , the Morison

**drag**force is a symmetric function of therelative fluid - structure velocity v ( 3 , 1 ) . Therefore , as first proven in reference (

19 ) , the computed quadratic terms in the equivalent

**drag**force , given by eq . (21 ) ...

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