Title: Forming forces in single point incremental forming: Prediction by finite element simulations, validation and sensitivity
Authors: Henrard, C ×
Bouffioux, C
Eyckens, Philip
Soly, Hugo
Duflou, Joost
Van Houtte, Paul
Van Bael, Albert
Duchêne, L
Habraken, A. M #
Issue Date: May-2011
Publisher: Springer-Verlag
Series Title: Computational Mechanics vol:47 issue:5 pages:573-590
Abstract: The aim of this article is to study the accuracy of finite element simulations in predicting the tool force occurring during the single point incremental forming (SPIF) process. The forming of two cones in soft aluminum was studied with two finite element (FE) codes and several constitutive laws (an elastic-plastic law coupled with various hardening models). The parameters of these laws were identified using several combinations of a tensile test, shear tests, and an inverse modeling approach taking into account a test similar to the incremental forming process. Comparisons between measured and predicted force values are performed. This article shows that three factors have an influence on force prediction: the type of finite element, the constitutive law and the identification procedure for the material parameters. In addition, it confirms that a detailed description of the behavior occurring across the thickness of the metal sheet is crucial for an accurate force prediction by FE simulations, even though a simple analytical formula could provide an otherwise acceptable answer.
ISSN: 0178-7675
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Production Engineering, Machine Design and Automation (PMA) Section
Mechanical Metallurgy Section (-)
Department of Materials Engineering - miscellaneous
Faculty of Science - miscellaneous
Centre for Industrial Management / Traffic & Infrastructure
Technologiecluster Materialentechnologie
Materials Technology TC, Technology Campus Diepenbeek
× corresponding author
# (joint) last author

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