Analytical and numerical analysis of the dynamics of a marine riser connected to a floating platform |
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| Authors: | AS Atadan SM Calisal VJ Modi Y Guo |
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| Institution: | aS.Q.U., Dept. of Electrical and Electronics Engineering, P.O. Box 33, Muscat 123, Oman;bU.B.C., Dept. of Mechanical Engineering, Vancouver, B.C., V6T 1Z4 Canada |
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| Abstract: | Forced dynamics of the system comprised of a riser, connected to a floating platform and conveying fluid, is studied in the presence of ocean waves and ocean currents. Shear effects based on nonlinear elastic theory are included in the formulation. The effects of the structural and hydrodynamic parameters on motion amplitude are evaluated and analytically studied based on an approach developed by Butenin. It is demonstrated that when the nonlinearities are small, the solutions obtained using Butenin's method match the numerical results. |
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