| Issue |
MATEC Web Conf.
Volume 358, 2022
3rd International Symposium on Mechanics, Structures and Materials Science (MSMS 2022)
|
|
|---|---|---|
| Article Number | 01040 | |
| Number of page(s) | 4 | |
| DOI | https://doi.org/10.1051/matecconf/202235801040 | |
| Published online | 19 May 2022 | |
Stress analysis of pipelines with small misalignment under internal pressure using fast modelling system ABAP
1 Zhejiang Academy of special equipment science China
2 Key Laboratory of Special Equipment Safety Testing Technology of Zhejiang Province China
3 Zhejiang institute of mechanical & electrical engineering co. LTD., China
* Corresponding author: yansunting@zju.edu.cn
This paper presents a numerical finite element analysis of pipelines with small misalignment under internal pressure using a developed fast pipeline modelling system ABAP using Python development environment of ABAQUS. The effect of small misalignment is shown to affect at most 10% of stress levels. Extensive parametric analyses have been conducted on the pipe length, pipe thickness. Pipe length has trival effect on non-uniform stress distribution when length/diameter ratio is greater than 1. For thinner pipe, misalignment amplifies the circumferential non-uniformity more significantly than thicker pipe. This paper serves to enhance the understanding of pipes with small installation misalignment defects under pure internal pressure.
© The Authors, published by EDP Sciences, 2022
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