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 193
... natural frequency of the system . Eq . ( 6 ) represents a set of uncoupled equations of motion in modal coordinates . The lower natural frequencies are well separated and thus modal coupling effects due to off - diagonal damping terms ...
... natural frequency of the system . Eq . ( 6 ) represents a set of uncoupled equations of motion in modal coordinates . The lower natural frequencies are well separated and thus modal coupling effects due to off - diagonal damping terms ...
Page 455
... natural period ( 37 to 40 seconds ) even in head seas for long crested waves . For this and other reasons this design was not followed up , however it was verified that the general features of the roll response could be explained as a ...
... natural period ( 37 to 40 seconds ) even in head seas for long crested waves . For this and other reasons this design was not followed up , however it was verified that the general features of the roll response could be explained as a ...
Page 459
... natural development . If the required oil storage is not quite so large , as Froude scaling would deliver , additional ballast could be used to reduce the beam ( provided heave natural periods did not then become too long ) . For low ...
... natural development . If the required oil storage is not quite so large , as Froude scaling would deliver , additional ballast could be used to reduce the beam ( provided heave natural periods did not then become too long ) . For low ...
Contents
OFFSHORE MECHANICS AND ARCTIC ENGINEERING | 1 |
VOLUME IB | 9 |
FLOATING AND MOORED SYSTEMS I | 49 |
Copyright | |
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added mass amplitude analysis boundary breakwater buoy calculated coefficient components computed cylinder damping damping ratio deck device direction displacement drag coefficient drag force drift forces dynamic effect environmental equations factor Figueira da Foz 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 Ocean offshore structures OMAE operations optimal oscillating parameters peak platform predicted pressure pump random waves resonant response Reynolds number riser scale sensor ship shown in Figure simulation solution spectral spectral density spectrum stability surface elevation 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