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 114
... first - order programs , cf. Ferrant ( 1988 ) , Korsmeyer et al ( 1988 ) . The more recent comparison of wave loads conducted under the FPS 2000 Project ( Nielsen , 1990 ) reflects this improvement in first - order computations but ...
... first - order programs , cf. Ferrant ( 1988 ) , Korsmeyer et al ( 1988 ) . The more recent comparison of wave loads conducted under the FPS 2000 Project ( Nielsen , 1990 ) reflects this improvement in first - order computations but ...
Page 144
... order motion is given by a X 11 fixed = a X = F + F 11 2 * hull Exwaves * Exwind + F ( 16 ) mooring where k = 2π / u1 = surge velocity from first order solution The drift " transfer function " given by Eqs . ( 10 ) and ( 13 ) was ...
... order motion is given by a X 11 fixed = a X = F + F 11 2 * hull Exwaves * Exwind + F ( 16 ) mooring where k = 2π / u1 = surge velocity from first order solution The drift " transfer function " given by Eqs . ( 10 ) and ( 13 ) was ...
Page 182
... order process . For this reason extreme first and second - order motions are usually calculated independently , and then combined . Various formulae are used for this purpose , such as the ' linear sum ' ( LS ) formula : Z1 + Ž2 + Z2 ...
... order process . For this reason extreme first and second - order motions are usually calculated independently , and then combined . Various formulae are used for this purpose , such as the ' linear sum ' ( LS ) formula : Z1 + Ž2 + Z2 ...
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