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 182
... drag coefficients are assumed to be constants . Different values for the coefficients a and ẞ correspond to different contributions from drag and inertia loading . The ratio a / ẞ is given by α / ẞ = ( π / 2 ) ( Сm / Cd ) D . Typical ...
... drag coefficients are assumed to be constants . Different values for the coefficients a and ẞ correspond to different contributions from drag and inertia loading . The ratio a / ẞ is given by α / ẞ = ( π / 2 ) ( Сm / Cd ) D . Typical ...
Page 184
... drag , inertia and total force on Tern for a SPIT ( surface peak in time ) condition at the centre of the structure . Inertia precedes drag , and peak total force occurs at an intermediate time . The drag force profile is only realistic ...
... drag , inertia and total force on Tern for a SPIT ( surface peak in time ) condition at the centre of the structure . Inertia precedes drag , and peak total force occurs at an intermediate time . The drag force profile is only realistic ...
Page 185
... drag load in a time interval of width ~ 4 seconds centred at the time of peak drag loading at ~ 0.8 seconds from table 2 . We have used the Tern measurements similarly , to estimate this confidence band . The result is shown in figure ...
... drag load in a time interval of width ~ 4 seconds centred at the time of peak drag loading at ~ 0.8 seconds from table 2 . We have used the Tern measurements similarly , to estimate this confidence band . The result is shown in figure ...
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