<b>A methodology for analysis of defective pipeline by introducing stress concentration factor into beam-pipe finite element formulation

Authors

  • Hsu Yang Shang Pontifí­cia Universidade Católica do Paraná

DOI:

https://doi.org/10.4025/actascitechnol.v38i3.27988

Keywords:

Euler-Bernoulli beam element, stress concentration factor, virtual work equation, elastoplastic analysis

Abstract

This work proposes a methodology for defective pipe elastoplastic analysis using the Euler Bernoulli beam-pipe element formulation. The virtual work equation is modified to incorporate the stress concentration factor in beam-pipe element formulation. The stress concentration factor is evaluated a priori by a 2D or 3D finite element model according to the defect profile. In this work, a semicircular defect and a rectangular defect are considered. The stress concentration factor is inserted into the beam-pipe element elastoplastic formulation, and several applications are presented to show the applicability of the proposed method.

 

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Author Biography

Hsu Yang Shang, Pontifí­cia Universidade Católica do Paraná

Pós Graduação em Engenharia Mecânica

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Published

2016-06-22

How to Cite

Shang, H. Y. (2016). <b>A methodology for analysis of defective pipeline by introducing stress concentration factor into beam-pipe finite element formulation. Acta Scientiarum. Technology, 38(3), 313–320. https://doi.org/10.4025/actascitechnol.v38i3.27988

Issue

Vol. 38 No. 3 (2016)

Section

Mechanical Engineering

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