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 210
... obtained by applying any one of a number of available numerical integration routines A rainflow cycle counting routine is then usually employed [ 5 ] to extract the fatigue damaging content of the stress time series at each critical ...
... obtained by applying any one of a number of available numerical integration routines A rainflow cycle counting routine is then usually employed [ 5 ] to extract the fatigue damaging content of the stress time series at each critical ...
Page 393
... obtained in the previous iteration a trial time history of the loading and hence its harmonics are computed incorporating the nonlinear and the variable stiffness effects . For the resulting linear system ( with augmented damping ) the ...
... obtained in the previous iteration a trial time history of the loading and hence its harmonics are computed incorporating the nonlinear and the variable stiffness effects . For the resulting linear system ( with augmented damping ) the ...
Page 405
... obtained . The system natural period in surge direction is about 200 seconds . For a JONSWAP spectrum with H , = 20 ft and T - 12 second , the total vessel offset is about 245 ft . when risers are not included in the analysis . Drift ...
... obtained . The system natural period in surge direction is about 200 seconds . For a JONSWAP spectrum with H , = 20 ft and T - 12 second , the total vessel offset is about 245 ft . when risers are not included in the analysis . Drift ...
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