KANG Xifeng, ZHANG Hong. Analysis on critical buckling load of pipelines based on ANSYS[J]. Oil & Gas Storage and Transportation, 2017, 36(3): 262-266. DOI: 10.6047/j.issn.1000-8241.2017.03.004
Citation: KANG Xifeng, ZHANG Hong. Analysis on critical buckling load of pipelines based on ANSYS[J]. Oil & Gas Storage and Transportation, 2017, 36(3): 262-266. DOI: 10.6047/j.issn.1000-8241.2017.03.004

Analysis on critical buckling load of pipelines based on ANSYS

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  • Received Date: August 12, 2016
  • Revised Date: February 05, 2017
  • Available Online: August 20, 2023
  • Published Date: January 03, 2017
  • In this paper, buckling analysis was performed by numerical analysis method to analyze the influence of initial transversal displacement of pipelines on the critical buckling load. Firstly, buckling solution was obtained by the eigenvalue method, and buckling modal was established and taken as the basic input parameter of initial displacement. Secondly, based on the geometric parameters of pipelines, a pipeline model was set up by ANSYS finite element software. And finally, nonlinear large-deformation model was solved and the influence of initial transversal displacement on the critical buckling load of pipelines was analyzed. It is shown that the initial transverse displacement is negatively correlated with the critical buckling load of pipelines and their relationship is nearly linear. The larger the initial transverse displacement is, the lower the critical buckling load is. The research results can provide the technical support for pipeline design and engineering construction in the future.
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