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TECHNICAL PAPERS

A Consistent Analytical Model to Predict the Structural Behavior of Flexible Risers Subjected to Combined Loads

[+] Author and Article Information
Roberto Ramos, Celso Pupo Pesce

Department of Mechanical Engineering, Escola Politécnica, University of São Paulo, Av. Prof. Mello Moraes, 2231, Cidade Universitária São Paulo, SP, 05508-900, Brazil

J. Offshore Mech. Arct. Eng 126(2), 141-146 (May 18, 2004) (6 pages) doi:10.1115/1.1710869 History: Received August 12, 2002; Revised August 01, 2003; Online May 18, 2004
Copyright © 2004 by ASME
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References

Witz,  J. A., 1996, “A Case Study in the Cross-Section Analysis of Flexible Risers,” Mar. Struct., 9, pp. 885–904.
Knapp,  R. H., 1979, “Derivation of a New Stiffness Matrix for Helically Armoured Cables Considering Tension and Torsion,” Int. J. Numer. Methods Eng., 14, pp. 515–529.
Lanteigne,  J., 1985, “Theoretical Estimation of the Response of Helically Armored Cables to Tension, Torsion, and Bending,” ASME J. Appl. Mech., 52, pp. 423–432.
Féret,  J. J., and Bournazel,  C. L., 1987, “Calculation of Stresses and Slip in Structural Layers of Unbonded Flexible Pipes,” ASME J. Offshore Mech. Arct. Eng., 109, pp. 263–269.
Witz,  J. A., and Tan,  Z., 1992, “On the Axial-Torsional Structural Behavior of Flexible Pipes, Umbilicals and Marine Cables,” Mar. Struct., 5, pp. 205–227.
Ramos Jr., R., Pesce, C. P., and Martins, C. A., 2000, “A Comparative Analysis Between Analytical and FE-Based Models for Flexible Pipes Subjected to Axisymmetric Loads,” Proc. of 10th (2000) Int. Offshore and Polar Eng. Conference, ISOPE 2000, Seattle, May 28–June 2, pp. 80–88.
7Ramos Jr., R., and Pesce, C. P., 2001, “Structural Mechanics of Flexible Risers Subjected to Combined Loads,” Proc. of the 16th Brazilian Congress of Mechanical Eng., COBEM 2001, Uberlandia, pp.140–148.
Ramos Jr., R., 2001, “Analytical Models for the Study of Structural Behavior of Flexible Pipes and Umbilical Cables” (in Portuguese), Ph.D. thesis, University of São Paulo, São Paulo.
Juvinall, R. C., and Marshek, K. M., 2000, Fundamentals of Machine Component Design, 3rd edition, John Wiley & Sons, Inc.
Timoshenko, S. P., and Goodier, J. N., 1970, Theory of Elasticity, McGraw-Hill, Inc.
Witz,  J. A., and Tan,  Z., 1992, “On the Flexural Structural Behavior of Flexible Pipes, Umbilicals and Marine Cables,” Mar. Struct., 5, pp. 229–249.
Ramos Jr., R., and Pesce, C. P., 2002, “A Review on the Flexural Structural Behavior of Flexible Risers,” Proc. of 3rd Workshop on Subsea Pipelines, Rio de Janeiro, Dec. 3–4, Rio de Janeiro, Brazil.

Figures

Grahic Jump Location
Typical flexible pipe structure
Grahic Jump Location
Bending moment × Curvature curve (pi=0 MPa)
Grahic Jump Location
Bending moment × Curvature curve (pi=30 MPa)

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