Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 10American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 40
... function , Gff ( f ) , by linearizing the drag term yielding : 8 Kd2 ou2 Gff ( f ) Π Guu ( f ) + Ki2 Gaa ( f ) ( 2 ) where Guu ( f ) and Gaa ( f ) are the one - sided power spectral density functions of the flow velocity and ...
... function , Gff ( f ) , by linearizing the drag term yielding : 8 Kd2 ou2 Gff ( f ) Π Guu ( f ) + Ki2 Gaa ( f ) ( 2 ) where Guu ( f ) and Gaa ( f ) are the one - sided power spectral density functions of the flow velocity and ...
Page 169
... function was analogously determined as a function of the enve- lope of the slowly varying wave train as follows : bw ( t ) = 2Bw ( wL ) ( 20 ) with local wave frequency w determined according to equation . ( 9 ) . To reduce transient ...
... function was analogously determined as a function of the enve- lope of the slowly varying wave train as follows : bw ( t ) = 2Bw ( wL ) ( 20 ) with local wave frequency w determined according to equation . ( 9 ) . To reduce transient ...
Page 309
... function , stream - function component Vorticity source function , potential component Vorticity source function , stream - function component Regular part of G1 Moment about body origin O ' Number of segments of body contour Inertial ...
... function , stream - function component Vorticity source function , potential component Vorticity source function , stream - function component Regular part of G1 Moment about body origin O ' Number of segments of body contour Inertial ...
Contents
A Study on the Stability Criteria of Semisubmersibles | 4 |
Sharan and Praveen Kalra | 6 |
CASE HISTORIES | 7 |
Copyright | |
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added mass amplitude analysis approximately average boundary condition boundary layer cable calculated circular cylinder components computed crest damping coefficient damping ratio density diffraction dimensionless displacement drag coefficient dynamic effects Ekofisk estimates experimental Figure first-order floating fluid force coefficients free surface frequency domain Green function heave horizontal hydrodynamic hydrodynamic forces incident wave inline force integral equation irregular lift force linear loads low frequency low-frequency surge maximum mean drift forces measured method mooring motion natural frequency nonlinear obtained Offshore Technology open boundary oscillation oscillatory flow parameters phase velocity platform predicted pressure random wave ratio regular waves Reynolds number Sarpkaya second order second-order wave shown simulation solitary waves solution spectral spectrum standard deviation surge response tank tanker tests transfer function transverse values velocity potential vertical vortex vortices wave damping wave drift damping wave elevation wave forces wave height wave-current