Virtual forming based on model calibration from heterogeneous tests
Lisa Germain, Mafalda Gonçalves, Thibault Barret, Antonio Andrade-Campos, Sandrine Thuillier
Abstract. This study focuses on calibrating a mechanical model for a DP600 steel using both quasi-homogeneous and heterogeneous tests. Several sample geometries subject to a uniaxial load were selected and tested experimentally, and a finite element model updating method was used to identify the material parameters of an anisotropic plasticity model, leading to several material parameter sets. Then, the virtual forming of cylindrical cup is considered, using these different parameter sets. The strain and stress states of the mechanical tests used for the model calibration are compared with those of the forming process, to analyse their relevance. The main goal is to check the whole chain from the indicator-based design of heterogeneous tests up to a numerical case study of the forming of cylindrical cups.
Keywords
Heterogeneous Test, Anisotropic Plasticity, Deep Drawing, High Strength Steel
Published online 5/7/2025, 9 pages
Copyright © 2025 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA
Citation: Lisa Germain, Mafalda Gonçalves, Thibault Barret, Antonio Andrade-Campos, Sandrine Thuillier, Virtual forming based on model calibration from heterogeneous tests, Materials Research Proceedings, Vol. 54, pp 1568-1576, 2025
DOI: https://doi.org/10.21741/9781644903599-169
The article was published as article 169 of the book Material Forming
Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
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