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Application of an Advanced GTN Model

[+] Author Affiliations
Joseph Fansi, Anne-Marie Habraken

University of Liège, Liège, Belgium

Tudor Balan

Arts et Métiers ParisTech-Metz, Metz, France

Xavier Lemoine

Arts et Métiers ParisTech-Metz, Metz, FranceArcelorMittal R&D Global Maizières S.A., Maizières-lès-Metz, France

Caroline Landron, Eric Maire

Université de Lyon, Villeurbanne, France

Olivier Bouaziz

ArcelorMittal R&D Global Maizières S.A., Maizières-lès-Metz, FranceEcole des Mines de Paris, Evry, France

Mohamed Ben Bettaieb

Université de Caen, Caen, France

Paper No. ESDA2012-82995, pp. 589-597; 9 pages
doi:10.1115/ESDA2012-82995
From:
  • ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis
  • Volume 1: Advanced Computational Mechanics; Advanced Simulation-Based Engineering Sciences; Virtual and Augmented Reality; Applied Solid Mechanics and Material Processing; Dynamical Systems and Control
  • Nantes, France, July 2–4, 2012
  • Conference Sponsors: International
  • ISBN: 978-0-7918-4484-7
  • Copyright © 2012 by ASME

abstract

The present contribution consists of implementing an advanced GTN damage model as a “User Material subroutine” in the Abaqus FE code. This damage model is based on specific nucleation and growth laws. This model is applied to the prediction of the damage evolution and the stress state in notched specimens made of dual phase steel. By comparing numerical predictions with experimental results based on high-resolution X-ray absorption tomography, the numerical approach was improved and validated.

Copyright © 2012 by ASME

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