Proceedings of the ... International Conference on Offshore Mechanics and Arctic EngineeringAmerican Society of Mechanical Engineers, 1994 - Arctic regions |
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Page 29
... spectral moments given in terms of the spectral density S ( w ) by ∞ w " S ( w ) dw = ] mn = ( 10 ) The above equations apply for linear waves with arbitrary thresh- old level ao . When nonlinear waves are introduced , we ask what must ...
... spectral moments given in terms of the spectral density S ( w ) by ∞ w " S ( w ) dw = ] mn = ( 10 ) The above equations apply for linear waves with arbitrary thresh- old level ao . When nonlinear waves are introduced , we ask what must ...
Page 30
Values of the spectral coefficient C , determined from equation ( 12 ) with R set equal to zero , are shown in Figure 2 as a function of the relative threshold level a / Hs . It can be seen that some de- pendence of the spectral ...
Values of the spectral coefficient C , determined from equation ( 12 ) with R set equal to zero , are shown in Figure 2 as a function of the relative threshold level a / Hs . It can be seen that some de- pendence of the spectral ...
Page 352
Spectral Amplitude ( ft3 ) 2.00 DOIOH72 HEAVE DISPLACEMENT Spectral Amplitude ( ft3 ) 30 1.00 8 0.00 0.00 0.50 0.00 Frequency ( Hz ) 2.00 DDIOH72 HEAVE DISPLACEMENT KBLOYN SIMULATION ३ 1.00 30 0.00 0.00 0.30 1.00 Frequency ( Hz ) ...
Spectral Amplitude ( ft3 ) 2.00 DOIOH72 HEAVE DISPLACEMENT Spectral Amplitude ( ft3 ) 30 1.00 8 0.00 0.00 0.50 0.00 Frequency ( Hz ) 2.00 DDIOH72 HEAVE DISPLACEMENT KBLOYN SIMULATION ३ 1.00 30 0.00 0.00 0.30 1.00 Frequency ( Hz ) ...
Contents
OCEAN WAVES AND ENERGY | 1 |
Load Control Method and Its Realization on an OWC Wave Power Converter | 19 |
Nonlinearity in CrestTrough Statistics of Bretschneider Seas | 27 |
Copyright | |
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added mass amplitude analysis ASME boundary conditions buoy calculated Circular Cylinder compliant tower components correlation length curve deck diameter diffraction dimensionless drag coefficient drag force drift force dynamic effects Engineering envelope equation experimental Figure fluid Fluid Mechanics free surface heave Hilbert transform horizontal hydrodynamic hydrodynamic force incident wave increase installation interaction irregular waves lift coefficient lift force linear load control lock-in matrix maximum measured method model tests modes mooring line nonlinear obtained Ocean Offshore Technology OMAE oscillating cylinder parameters peak phase pipe platform predicted present pressure problem quadratic Quickwave random ratio response Reynolds number riser seastate second-order shear shedding frequency shown simulation solution spectral spectrum stationary cylinder stiffeners Strouhal Strouhal number transfer function transverse turbulence uniform flow values velocity potential vertical vibration vortex shedding water depth Wave Force wave frequency wave power