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An Adaptive Remeshing Procedure for Modeling the Clinch Forming Process

[+] Author Affiliations
Abdallah Sahyoun, Alain Rassineux, Jean-Marc Roëlandt

University of Technology of Compiegne, Compiègne, France

Carl Labergère, Khémais Saanouni

University of Technology of Troyes, Troyes, France

Paper No. ESDA2012-82981, pp. 583-588; 6 pages
doi:10.1115/ESDA2012-82981
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

This work presents the case of a press clinching commonly met in the industry and denoted as TOX. The mechanical strength of the assembly is highly dependent on the final geometry of the clinched joint and among the numerous parameters which govern the process (applied load, lubrication, sheet thickness, friction, mechanical behavior of materials), the tool geometry plays a major role in the evolution of the final shape of the clinched joint. One of the objectives of this work is to provide an accurate numerical evolution of the final geometry of the clinched joint by the use of an adaptive remeshing procedure including error indicators and field variable transfer built by a meshless technique denoted as Diffuse Approximation. The resolution of the updated Lagrangian formulation is based on a static explicit approach (ABAQUS). Our numerical results are validated in comparison with experimental data.

Copyright © 2012 by ASME

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