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 152
... frequency is gradually changed to half the frequency of the axial excitation . This was also typical for other unstable cases . Fig . 9 shows the comparison of lateral response between horizontally and axially excited cases . The ...
... frequency is gradually changed to half the frequency of the axial excitation . This was also typical for other unstable cases . Fig . 9 shows the comparison of lateral response between horizontally and axially excited cases . The ...
Page 307
... frequencies and squares indicate the second peak frequencies . Apparently two lines crosses in Fig . 8. One is the vortex shedding frequency and the other is the natural frequency of this structure . The natural frequency n1 / 2π is ...
... frequencies and squares indicate the second peak frequencies . Apparently two lines crosses in Fig . 8. One is the vortex shedding frequency and the other is the natural frequency of this structure . The natural frequency n1 / 2π is ...
Page 308
... frequency f , to the natural frequency f , of the structure . In the same manner in Fig . 10. , diamonds indicate C estimated by using natural frequency , squares indicate C2 estimated by using shedding frequency , and circles are ...
... frequency f , to the natural frequency f , of the structure . In the same manner in Fig . 10. , diamonds indicate C estimated by using natural frequency , squares indicate C2 estimated by using shedding frequency , and circles are ...
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Common terms and phrases
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