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Discussion

Discussion of “Mechanics of Confined Thin-Walled Cylinders Subjected to External Pressure,” (Vasilikis, D., and Karamanos, S., 2014, Appl. Mech. Rev., 66(1), p. 010801)

[+] Author and Article Information
Arnold M. Gresnigt

Mem. ASME
Faculty of Civil Engineering and Geosciences,
Delft University of Technology,
P.O. Box 5048,
2600 GA Delft, The Netherlands
e-mail: a.m.gresnigt@tudelft.nl

Manuscript received September 30, 2013; final manuscript received November 22, 2013; published online December 23, 2013. Editor: Harry Dankowicz.

Appl. Mech. Rev 66(1), 015502 (Dec 23, 2013) (2 pages) Paper No: AMR-13-1077; doi: 10.1115/1.4026185 History: Received September 30, 2013; Revised November 22, 2013

The collapse pressure of confined cylinders depends on many factors. In addition to the thorough investigations of Vasilikis and Karamanos, more factors can be candidates for further investigation, such as the effect of variations in the material mechanical properties of the liner pipe in compression and the effect of residual stresses. The mechanical response of the materials in compression depends on the type of steel and the stress-strain history, which depends on the fabrication method of the cylinder. This is illustrated with theoretical and experimental results on pipes under external pressure, as used in offshore applications. There is a need for more experimental test results for validation. More applications of confined cylinders are mentioned that are worth investigation.

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References

Hilberink, A., Gresnigt, A. M., and Sluys, L. J., 2011, “Mechanical Behavior of Lined Pipe During Bending, Numerical and Experimental Results Compared,” Proceedings of International Conference on Ocean, Offshore and Arctic Engineering (OMAE), Rotterdam, The Netherlands, Paper No. OMAE2011-49434.
Vasilikis, D., and Karamanos, S. A., 2012, “Mechanical Behavior and Wrinkling of Lined Pipes,” Int. J. Solids Struct., 49(23–24), pp. 3432–3446. [CrossRef]
Herynk, M. D., Kyriakides, S., Onoufriou, A., and Yun, H. D., 2007, “Effects of the UOE/UOC Pipe Manufacturing Processes on Pipe Collapse Pressure,” Int. J. Mech. Sci., 49, pp. 533–553. [CrossRef]
van Foeken, R. J., and Gresnigt, A. M., 1998, “Buckling and Collapse of UOE Manufactured Steel Pipes,” Offshore and Onshore Design Applications Supervisory Committee of PRC International at the American Gas Association, Arlington, VA, Report No. PRCI PR-238-9423.
Gresnigt, A. M., van Foeken, R. J., and Shilin, C., 2000, “Collapse of UOE Manufactured Steel Pipes,” Proceedings of the Tenth International Offshore and Polar Engineering Conference, Seattle, WA.
DeGeer, D., Marewski, U., Hillenbrand, H.-G., Weber, B., and Crawford, M., 2004, “Collapse Testing of Thermally Treated Line Pipe for Ultra-Deepwater Applications,” 4th International Conference on Pipeline Technology, Ostend, Belgium.
Tsuru, E., and Asahi, H., 2004, “Collapse Pressure Prediction and Measurement Methodology of UOE Pipe,” Int. J. Offshore Polar Eng., 14(1), pp. 52–59.
Tsuru, E., and Asahi, H., 2007, “Methodology for Measurement of Mechanical Properties to Predict Collapse Pressure of UOE Pipes,” Proceedings of the Seventeenth International Offshore and Polar Engineering Conference, Lisbon, Portugal, pp. 3172–3178.
Bruschi, R., Torselletti, E., Vitali, L., and Santicchia, A., 2007, “UOE Pipes for Ultra-Deep Water Application: Collapse Strength Capacity vs. Material Characteristics, State-of-the-Art,” Proceedings of the Seventeenth International Offshore and Polar Engineering Conference, Lisbon , Portugal, pp. 3292–3300.
Liessem, A., Groß-Weege, J., Knauf, G., and Wimmerman, S., 2007, “UOE Pipes for Ultra Deep Water Application: An Analytical and FE Collapse Strength Prediction vs. Full Scale Tests of Thermally Treated Line Pipe,” Proceedings of the Seventeenth International Offshore and Polar Engineering Conference, Lisbon, Portugal, pp. 3276–3283.

Figures

Grahic Jump Location
Fig. 1

Wrinkling in lined pipes due to bending [1,2]

Grahic Jump Location
Fig. 2

Pipe ovalization due to surcharge

Grahic Jump Location
Fig. 3

Stress-strain behavior of stainless steel (liner), compared to carbon steel (the outer pipe, the strongest) [1]

Grahic Jump Location
Fig. 4

Compressive stress-strain diagrams of seamless pipe (left, no Bauschinger effect) and UOE pipe (right, Bauschinger effect) [4,5]

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