Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 11, Part 1American Society of Mechanical Engineers, 1992 - Arctic regions |
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Page 244
... normal to the member axis , { wn } is the relative velocity vector , { Un } and { v } are respectively water and structural acceleration vectors in the normal direction to the member axis , see Fig.3 , | . | denotes the modulus of a ...
... normal to the member axis , { wn } is the relative velocity vector , { Un } and { v } are respectively water and structural acceleration vectors in the normal direction to the member axis , see Fig.3 , | . | denotes the modulus of a ...
Page 305
... Normal- 8 1.4 1.1 0.85 0.57 0.50 to - plane 2nd mode f ( Hz ) 2.78 2.04 2.97 8 0.80 0.80 0.70 In - plane 1st mode f ( Hz ) 1.72 2.00 2.08 22 Yes No 8 1.5 0.92 0.90 D Catenary 3 1st mode f ( Hz ) 0.625 0.655 0.690 0.725 0.769 0.781 Normal ...
... Normal- 8 1.4 1.1 0.85 0.57 0.50 to - plane 2nd mode f ( Hz ) 2.78 2.04 2.97 8 0.80 0.80 0.70 In - plane 1st mode f ( Hz ) 1.72 2.00 2.08 22 Yes No 8 1.5 0.92 0.90 D Catenary 3 1st mode f ( Hz ) 0.625 0.655 0.690 0.725 0.769 0.781 Normal ...
Page 306
... normal - to - plane and in- plane directions , the logarithmic decrements 8 increased with increasing amplitude over the amplitude range tested . Whilst for the second normal - to - plane mode , & first increased with amplitude and then ...
... normal - to - plane and in- plane directions , the logarithmic decrements 8 increased with increasing amplitude over the amplitude range tested . Whilst for the second normal - to - plane mode , & first increased with amplitude and then ...
Contents
OCEAN WAVES AND CURRENT | 1 |
Directional Wave Observations During High Sea States From an NDBC Discus Buoy | 25 |
Vortex Trajectories Around a Circular Cylinder in Oscillatory Plus Mean Flows | 69 |
Copyright | |
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added mass added resistance analysis body buoy cable calculated catenary components computed configuration convective cylinder damping ratio density displacement distribution domain drag coefficient drag force drift forces dynamic response effect energy Engineering estimated experimental extreme Figure floating flow fluid force coefficients free surface function Green's function heave motion horizontal hydrodynamic hydrodynamic damping incident wave inertia integral internal wave irregular waves KC number lift force linear load low-frequency damping matrix maximum measured method mode mooring Morison equation nondimensional nonlinear obtained Ocean Ocean Engineering Offshore Technology oscillation parameters peak phase velocity platform pontoon potential prediction Rayleigh Rayleigh distribution region resonant rotation second-order ship shown simulation solitary wave spectra spectrum submerged surge tension tethers values vector velocity velocity potential vertical vibration vortex water depth wave crest wave forces wave frequency wave height wave period Wavenumber wind