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Numerical modelling and experimental validation of a threaded pipe connection under axial tension

Jeroen Van Wittenberghe, Timothy Galle UGent, Patrick De Baets UGent and Wim De Waele UGent (2011) Synergy in the technical development of agriculture and food industry (Synergy2011).
abstract
In order to improve a threaded pipe connection’s fatigue life, accurate knowledge is necessary of the acting stresses and strains while subjected to external loads. In this study the stress distribution over an API Line Pipe threaded connection subjected to an axial load is studied using a 2D axisymmetric finite element model. It is shown that a non-uniform load distribution over the different threads causes a high stress concentration factor at the last engaged thread of the male part of the connection. The simulated results are compared to strain gauges measurements obtained during a quasistatic axial tensile test on a 4.5” API Line Pipe connection. A good correspondence is found between the two data sets, which proves the validity of the 2D axisymmetric model. Following the quasi-static tensile test, a fatigue test is carried out on the sample in the same test setup. A fatigue crack initiated at the root of the LET thread of the male part of the connection, which is the location where the highest stress concentration appears in the simulations.
Please use this url to cite or link to this publication:
author
organization
year
type
conference
publication status
published
subject
keyword
threaded pipe connection, experiment, pipeline, finite element model
in
Synergy in the technical development of agriculture and food industry (Synergy2011)
editor
Zoltán Kurják and László Magó
article number
o6_130
pages
5 pages
publisher
Szent István University. Faculty of Mechanical Engineering
place of publication
Gödöllö, Hungary
conference name
2nd International conference on Agricultural Engineering (Synergy 2011) : Synergy in the technical development of agriculture and food industry
conference location
Gödöllö, Hungary
conference start
2011-10-09
conference end
2011-10-15
ISBN
9789632692500
language
English
UGent publication?
yes
classification
C1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1935907
handle
http://hdl.handle.net/1854/LU-1935907
date created
2011-10-27 08:12:40
date last changed
2017-01-02 09:53:15
@inproceedings{1935907,
  abstract     = {In order to improve a threaded pipe connection{\textquoteright}s fatigue life, accurate knowledge is necessary of the acting stresses and strains while subjected to external loads. In this study the stress distribution over an API Line Pipe threaded connection subjected to an axial load is studied using a 2D axisymmetric finite element model. It is shown that a non-uniform load distribution over the different threads causes a high stress concentration factor at the last engaged thread of the male part of the connection. The simulated results are compared to strain gauges measurements obtained during a quasistatic axial tensile test on a 4.5{\textquotedblright} API Line Pipe connection. A good correspondence is found between the two data sets, which proves the validity of the 2D axisymmetric model. Following the quasi-static tensile test, a fatigue test is carried out on the sample in the same test setup. A fatigue crack initiated at the root of the LET thread of the male part of the connection, which is the location where the highest stress concentration appears in the simulations.},
  articleno    = {o6\_130},
  author       = {Van Wittenberghe, Jeroen and Galle, Timothy and De Baets, Patrick and De Waele, Wim},
  booktitle    = {Synergy in the technical development of agriculture and food industry (Synergy2011)},
  editor       = {Kurj{\'a}k, Zolt{\'a}n and Mag{\'o}, L{\'a}szl{\'o}},
  isbn         = {9789632692500},
  keyword      = {threaded pipe connection,experiment,pipeline,finite element model},
  language     = {eng},
  location     = {G{\"o}d{\"o}ll{\"o}, Hungary},
  pages        = {5},
  publisher    = {Szent Istv{\'a}n University. Faculty of Mechanical Engineering},
  title        = {Numerical modelling and experimental validation of a threaded pipe connection under axial tension},
  year         = {2011},
}

Chicago
Van Wittenberghe, Jeroen, Timothy Galle, Patrick De Baets, and Wim De Waele. 2011. “Numerical Modelling and Experimental Validation of a Threaded Pipe Connection Under Axial Tension.” In Synergy in the Technical Development of Agriculture and Food Industry (Synergy2011), ed. Zoltán Kurják and László Magó. Gödöllö, Hungary: Szent István University. Faculty of Mechanical Engineering.
APA
Van Wittenberghe, J., Galle, T., De Baets, P., & De Waele, W. (2011). Numerical modelling and experimental validation of a threaded pipe connection under axial tension. In Z. Kurják & L. Magó (Eds.), Synergy in the technical development of agriculture and food industry (Synergy2011). Presented at the 2nd International conference on Agricultural Engineering (Synergy 2011) : Synergy in the technical development of agriculture and food industry, Gödöllö, Hungary: Szent István University. Faculty of Mechanical Engineering.
Vancouver
1.
Van Wittenberghe J, Galle T, De Baets P, De Waele W. Numerical modelling and experimental validation of a threaded pipe connection under axial tension. In: Kurják Z, Magó L, editors. Synergy in the technical development of agriculture and food industry (Synergy2011). Gödöllö, Hungary: Szent István University. Faculty of Mechanical Engineering; 2011.
MLA
Van Wittenberghe, Jeroen, Timothy Galle, Patrick De Baets, et al. “Numerical Modelling and Experimental Validation of a Threaded Pipe Connection Under Axial Tension.” Synergy in the Technical Development of Agriculture and Food Industry (Synergy2011). Ed. Zoltán Kurják & László Magó. Gödöllö, Hungary: Szent István University. Faculty of Mechanical Engineering, 2011. Print.