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Evaluation of Deformable Boundary Condition Using Finite Element Method and Impact Test for Steel Tubes

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posted on 2023-07-26, 15:02 authored by Abed Ahmed, Mehrdad Asadi, Jennifer L. B. Martay
Stainless steel pipelines are crucial components to transportation and storage in the oil and gas industry. However, the rise of random attacks and vandalism on these pipes for their valuable transport has led to more security and protection for incoming surface impacts. These surface impacts can lead to large global deformations of the pipe and place the pipe under strain, causing the eventual failure of the pipeline. Therefore, understanding how these surface impact loads affect the pipes is vital to improving the pipes’ security and protection. In this study, experimental test and finite element analysis (FEA) have been carried out on EN3B stainless steel specimens to study the impact behaviour. Low velocity impact tests at 9 m/s with 16 kg dome impactor was used to simulate for high momentum impact for localised failure. FEA models of clamped and deformable boundaries were modelled to study the effect of the boundaries on the pipes impact behaviour on its impact resistance, using experimental and FEA approach. Comparison of experimental and FE simulation shows good correlation to the deformable boundaries in order to validate the robustness of the FE model to be implemented in pipe models with complex anisotropic structure.

History

Refereed

  • Yes

Volume

14

Issue number

6

Page range

225-225

Number of pages

229

Publication title

International Journal of Mechanical and Mechatronics Engineering

ISSN

2077-124X

Publisher

WASET

File version

  • Published version

Language

  • eng

Legacy posted date

2020-06-24

Legacy creation date

2020-06-24

Legacy Faculty/School/Department

Faculty of Science & Engineering

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