FINITE ELEMENT MODELING OF COLLAPSE PROPAGATION IN OFFSHORE PIPELINE

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TALEB POUR R.; ABEDI K.; MOSTAFA GHARABAGHI A.R.

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Journal: JOURNAL OF MARINE ENGINEERING Year:2007 | Volume:3 | Issue:5 Page(s): 23-36

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Information Journal Paper

Title

FINITE ELEMENT MODELING OF COLLAPSE PROPAGATION IN OFFSHORE PIPELINE

Author(s)

TALEB POUR R. | ABEDI K. | MOSTAFA GHARABAGHI A.R. | Issue Writer Certificate

Keywords

MARINE STRUCTURESQ4

OFFSHORE PIPELINESQ3

LOCAL BUCKLINGQ4

COLLAPSEQ4

COLLAPSE PROPAGATIONQ4

FINITE ELEMENT MODELINGQ4

Abstract

In the design of marine pipelines, like other thin-walled structures, structural stability plays major role. Generally, two kinds of instabilities, namely global buckling and LOCAL BUCKLING (collapse) may occur in marine pipelines. However, for deep water pipelines in addition to occurrence of COLLAPSE, another concern is the potential occurrence of propagating of this COLLAPSE along the pipe due to high external pressure.In the present study, details of 2-D and 3-D FINITE ELEMENT MODELING for COLLAPSE propagation simulation are outlined. In order to verify the accuracy and validity of the FINITE ELEMENT MODELING, the numerical results, obtained from nonlinear finite element analyses for severalpipe samples have been compared with the experimental results. These proposed 2-D and 3-D modeling methods are easily applicable. Also, the comparison shows that the results of these methods have very close agreement with the experimental behavior. Using nominal geometric properties, finding minimum required imperfections to eliminate bifurcation points and using corrected Ramberg-Osgood material behavior for steel pipe are the main characteristics of the present 3-D method. The study shows that this method gives more appropriate results than the previous proposed method by Toscano et al. (2002).

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APA: Copy

TALEB POUR, R., ABEDI, K., & MOSTAFA GHARABAGHI, A.R.. (2007). FINITE ELEMENT MODELING OF COLLAPSE PROPAGATION IN OFFSHORE PIPELINE. JOURNAL OF MARINE ENGINEERING, 3(5), 23-36. SID. https://sid.ir/paper/60865/en

Vancouver: Copy

TALEB POUR R., ABEDI K., MOSTAFA GHARABAGHI A.R.. FINITE ELEMENT MODELING OF COLLAPSE PROPAGATION IN OFFSHORE PIPELINE. JOURNAL OF MARINE ENGINEERING[Internet]. 2007;3(5):23-36. Available from: https://sid.ir/paper/60865/en

IEEE: Copy

R. TALEB POUR, K. ABEDI, and A.R. MOSTAFA GHARABAGHI, “FINITE ELEMENT MODELING OF COLLAPSE PROPAGATION IN OFFSHORE PIPELINE,” JOURNAL OF MARINE ENGINEERING, vol. 3, no. 5, pp. 23–36, 2007, [Online]. Available: https://sid.ir/paper/60865/en

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