## 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 2

Hydrodynamic

below EL ( - ) 40m is used so that the drag damping in the dynamic response

analysis is minimal , Ref [ 4 ) . A value of drag

used in the ...

Hydrodynamic

**Coefficients**A lower value of drag**coefficient**is used for riserbelow EL ( - ) 40m is used so that the drag damping in the dynamic response

analysis is minimal , Ref [ 4 ) . A value of drag

**coefficient**Cd = 1 . 0 has beenused in the ...

Page 300

... BO j - th order Fourier

Fourier

Morison ' s drag

water ...

... BO j - th order Fourier

**coefficients**of Volterra series total force A ( z ) , B ( z )Fourier

**coefficients**of the water particle velocity column spacing modal dampingMorison ' s drag

**coefficient**equivalent damping**coefficient**inertia**coefficient**water ...

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 drag

... 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 .### What people are saying - Write a review

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acceptable analysis applied approach assessment associated assumed calculated coefficient combined components considered corresponding corrosion cost crack criteria damage defined dependent depth determined developed direction distribution dynamic effect element Engineering environmental equation estimate evaluated event example expressed extreme factor failure fatigue Figure force frequency function fuzzy given important increase initial inspection International limit load loss maintenance maximum mean measured Mechanics method motion normal obtained offshore operational parameters peak performed period pipe pipeline platform possible predicted present probability probability of failure procedure production random range relative reliability represents response return period riser risk safety ship shown shows simulation spectral spectrum statistical storm strength stress structure surface Table theory typical ultimate uncertainties variables wave height wind