A numerical and semi-analytical comparison for structural analysis of fault-crossing pipelines

Omar González; Alberto Fraile; Lutz Hermanns

doi:10.1016/j.crme.2015.06.003

A numerical and semi-analytical comparison for structural analysis of fault-crossing pipelines

Omar González ¹ ; Alberto Fraile ¹ ; Lutz Hermanns ¹

¹ Centro de Modelado en Ingeniería Mecánica (CEMIM), Universidad Politécnica de Madrid (UPM), José Gutiérrez Abascal 2, 28006 Madrid, Spain

Comptes Rendus. Mécanique, Volume 343 (2015) no. 7-8, pp. 397-409.

Résumé

Structural analysis of pipelines is a well-established topic in engineering practice. Different professional societies or national and international authorities have provided Design Codes with procedures that, in spite of being well accepted, contain assumptions whose implications are not always well understood.

In this paper, we present a comparison between a simplified well-established method to compute the safety of gas pipes when crossing faults, and a more refined approach: the Finite Element Method (FEM) that enables us to consider large displacements and nonlinear material properties and shows some discrepancies relative to the classical approach.

Reçu le : 2015-04-30
Accepté le : 2015-06-11
Publié le : 2015-07-01

DOI : 10.1016/j.crme.2015.06.003

Mots clés : Pipeline, Earthquake, Finite element method, Nonlinear analysis, Fault, Design criteria

Affiliations des auteurs :

Omar González ¹ ; Alberto Fraile ¹ ; Lutz Hermanns ¹

¹ Centro de Modelado en Ingeniería Mecánica (CEMIM), Universidad Politécnica de Madrid (UPM), José Gutiérrez Abascal 2, 28006 Madrid, Spain

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     title = {A numerical and semi-analytical comparison for structural analysis of fault-crossing pipelines},
     journal = {Comptes Rendus. M\'ecanique},
     pages = {397--409},
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     volume = {343},
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     year = {2015},
     doi = {10.1016/j.crme.2015.06.003},
     language = {en},
}

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Omar González; Alberto Fraile; Lutz Hermanns. A numerical and semi-analytical comparison for structural analysis of fault-crossing pipelines. Comptes Rendus. Mécanique, Volume 343 (2015) no. 7-8, pp. 397-409. doi : 10.1016/j.crme.2015.06.003. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2015.06.003/

Bibliographie
Cité par

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