Proceedings of the ... International Conference on Offshore Mechanics and Arctic EngineeringAmerican Society of Mechanical Engineers, 1994 - Arctic regions |
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Page 46
... drift force . Similarly , the sum frequency force , F " ( t ) , is N N F " ( t ) = ΣΣA ̧A ̧ H ( f ̧‚Í¡ ) double 1 = 0 3 = 0 exp ( −j ( 2π ( f ̧ + fj ) t + E¿ + Ej ) ] ( 3 ) where H ( f ,, f , ) is the complex quadratic transfer ...
... drift force . Similarly , the sum frequency force , F " ( t ) , is N N F " ( t ) = ΣΣA ̧A ̧ H ( f ̧‚Í¡ ) double 1 = 0 3 = 0 exp ( −j ( 2π ( f ̧ + fj ) t + E¿ + Ej ) ] ( 3 ) where H ( f ,, f , ) is the complex quadratic transfer ...
Page 95
... drift forces calculated by momentum theory , which is extended from Maruo's ( 1960 ) formula based on the conservation of wave momentum to a finite water depth , and by our numerical models are illustrated in Fig . 5. One of our ...
... drift forces calculated by momentum theory , which is extended from Maruo's ( 1960 ) formula based on the conservation of wave momentum to a finite water depth , and by our numerical models are illustrated in Fig . 5. One of our ...
Page 96
... drift oscillations for K22 = 0 ft / m are obviously larger than that for K22-40 tf / m because the difference frequency component in sway force ... drift forces . The heave response for K22-0 tf / m due to the two components wave is larger ...
... drift oscillations for K22 = 0 ft / m are obviously larger than that for K22-40 tf / m because the difference frequency component in sway force ... drift forces . The heave response for K22-0 tf / m due to the two components wave is larger ...
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