Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 15American Society of Mechanical Engineers, 1996 - Arctic regions |
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Page 55
MOTION SUPPRESSION AND HEAVE COMPENSATOR STROKE REDUCTION FOR FLOATING PRODUCTION SYSTEMS David T Brown , Minoo H Patel and Joel A Witz University College London Department of Mechanical Engineering Torrington Place , London WC1E 7JE ...
MOTION SUPPRESSION AND HEAVE COMPENSATOR STROKE REDUCTION FOR FLOATING PRODUCTION SYSTEMS David T Brown , Minoo H Patel and Joel A Witz University College London Department of Mechanical Engineering Torrington Place , London WC1E 7JE ...
Page 82
... motions are applied . Low frequency motion is simulated by a steady velocity of 0 , 1 , 2ms for simplicity . Wave frequency motion is simulated by consideration of wave heights of 4 , 8 , 12m , and periods of 6 , 10 , 14 , and 18s ...
... motions are applied . Low frequency motion is simulated by a steady velocity of 0 , 1 , 2ms for simplicity . Wave frequency motion is simulated by consideration of wave heights of 4 , 8 , 12m , and periods of 6 , 10 , 14 , and 18s ...
Page 377
... motion are due to the component of tension at the attachment point , see Fig . 1,2 . Let G t Xc Ꮎ Zc S = G2 ( @ 1 ... Motion response of buoy The equations of the motion of buoy in frequency domain are given as [ A ] = | = 0 X + Xw M ZN ...
... motion are due to the component of tension at the attachment point , see Fig . 1,2 . Let G t Xc Ꮎ Zc S = G2 ( @ 1 ... Motion response of buoy The equations of the motion of buoy in frequency domain are given as [ A ] = | = 0 X + Xw M ZN ...
Contents
OFFSHORE MECHANICS AND ARCTIC ENGINEERING | 1 |
Structural Mechanics | 31 |
VOLUME IB OFFSHORE TECHNOLOGY | 41 |
Copyright | |
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added mass amplitude analysis angle boundary breakwater buoy calculated coefficient components computed cylinder damping damping ratio deck device displacement drag coefficient drag force drift forces dynamic effect environmental equations factor Figueira da Foz floating breakwater floating structure flow fluid free surface function hawser heave horizontal hydrodynamic incident wave increase inertia length linear maximum method mooring line mooring system natural frequency nonlinear North Sea obtained offshore structures OMAE operations optimal oscillating parameters peak platform predicted pressure pump random waves resonant response Reynolds number riser sensor ship shown in Figure simulation solution spectral spectral density stability surface elevation surge Table tanker tension theory TPM system transmission coefficient turbine values velocity velocity potential verification vertical vessel water depth wave drift wave energy wave forces wave frequency wave height wave loading wave period wave power wind wire rope