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On the Buckling Response of Offshore Pipelines under Combined Tension, Bending, and External Pressure

Yanbin Wang1,2, Deli Gao1, Jun Fang1

MOE Key Laboratory of Petroleum Engineering, China University of Petroleum, Beijing102249, China
First and corresponding author: Yanbin Wang, Tel: + 86 10 89733702, E-mail:

Computers, Materials & Continua 2015, 48(1), 25-42.


In this paper, the buckling and collapse analysis of offshore pipeline under combined tension, bending moment, and external pressure has been presented with theoretical analysis and FE (finite element) simulation method respectively. Based on the model initially proposed by Kyriakides, a 2-D theoretical model has been further developed. To verify the correctness and accuracy of the model proposed in this paper, numerical simulations have been conducted with 3-D FE model using ABAQUS software. Good consistency has been shown between the calculation results which validate the availability of the theoretical analysis. On this basis, the influence of load path, material properties, and diameter-to-thickness ratio on the buckling behaviors of the pipes have been discussed. Based upon the discussion mentioned above, some significant conclusions have been drawn.


Cite This Article

Y. . Wang, D. . Gao and J. . Fang, "On the buckling response of offshore pipelines under combined tension, bending, and external pressure," Computers, Materials & Continua, vol. 48, no.1, pp. 25–42, 2015.

This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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