Stress analysis of pipelines with small misalignment under internal pressure using fast modelling system ABAP

Autor: Yan Sunting, Liu Zhongqiang, Hu Jiansheng, Chen Yonggui, Shen Xiaoli, Teng Guoyang
Jazyk: English<br />French
Rok vydání: 2022
Předmět:
Zdroj: MATEC Web of Conferences, Vol 358, p 01040 (2022)
Druh dokumentu: article
ISSN: 2261-236X
DOI: 10.1051/matecconf/202235801040
Popis: 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.
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