Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, Parts 1-2American Society of Mechanical Engineers, 2004 - Arctic regions |
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Page 150
... Experimental Model Nondimensional equations of motion of a riser are given as cT 2 -EAUT mL Ü + c1Ù - EA 12 m cTow + EI m mL T2 μg = 0 ( 14 ) mL T2 + μgW ' = 0 mL ... Experimental Results of Axial Oscillation Axial oscillation experiment 150.
... Experimental Model Nondimensional equations of motion of a riser are given as cT 2 -EAUT mL Ü + c1Ù - EA 12 m cTow + EI m mL T2 μg = 0 ( 14 ) mL T2 + μgW ' = 0 mL ... Experimental Results of Axial Oscillation Axial oscillation experiment 150.
Page 243
... Experimental and Predicted ( FEA ) Hoop Strain Response for Test Vessel # 1 ( Data from 3 Strain Gages ) Normalized Axial Expansion ( SalShy ) Figure 17 - Experimental and Predicted ( FEA ) Axial Expansion for Test Vessel # 1 Normalized ...
... Experimental and Predicted ( FEA ) Hoop Strain Response for Test Vessel # 1 ( Data from 3 Strain Gages ) Normalized Axial Expansion ( SalShy ) Figure 17 - Experimental and Predicted ( FEA ) Axial Expansion for Test Vessel # 1 Normalized ...
Page 350
... Experimental rig spring constant kc 1000 Damping ratio ! 0.08 Natural frequency in air1 On 4.64 Natural frequency in still water1 Orry 3.97 rad's rad / s Mass ratio m * 2.78 Stability parameter Ks 2.98 1 Corresponding Linear System 73 ...
... Experimental rig spring constant kc 1000 Damping ratio ! 0.08 Natural frequency in air1 On 4.64 Natural frequency in still water1 Orry 3.97 rad's rad / s Mass ratio m * 2.78 Stability parameter Ks 2.98 1 Corresponding Linear System 73 ...
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2DOF amplitude analysis ASME axial barge caisson calculated Campos Basin catenary coefficient computed Conference on Offshore configuration contour line convergence Copyright curve damping deck density diameter displacement distribution drag coefficient dynamic effects equation excitation experimental extrapolation Figure flow fluid force FPSO free surface frequency domain Guide Load heave hot spot stress hull hydrodynamic installation jacket kips lift coefficient linear load transfer located longitudinal maximum measured Mechanics and Arctic mesh refinement method mode model test moon pool mooring lines mooring system motion noise nonlinear obtained Offshore Mechanics operation parameters peak Petrobras pipe platform polyester polyester rope Predicted pressure random waves ratio response Reynolds number riser roll S-N curve seastates shear soil spectral spudcan steel stiffness structure Table tension transverse upstream cylinder velocity velocity potential vertical vessel vibration vortex water depth wave height Weibull distribution weld