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  4. Higher-order 3D-shell elements and anisotropic 3D yield functions for improved sheet metal forming simulations: Part II
 
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2023
Conference Paper
Title

Higher-order 3D-shell elements and anisotropic 3D yield functions for improved sheet metal forming simulations: Part II

Abstract
This two-part series focuses on the industrial application of higher-order 3D-shell elements and anisotropic 3D yield functions in sheet metal forming simulations. In the second part, the effect of plastic anisotropy with respect to the in-plane and out-of-plane behaviour on sheet metal forming simulations is analysed. To this end, parameters of the anisotropic 3D yield function Yld2004-18p were identified by a crystal plasticity modelling approach for an AA6014-T4 aluminium alloy. Different loading conditions related to the plane and full stress state were carried out to study the plastic anisotropy with respect to the in-plane and out-of-plane behaviour.
Author(s)
Wessel, Alexander
Fraunhofer-Institut für Werkstoffmechanik IWM  
Schilling, Maximilian
University of Stuttgart, Institute for Structural Mechanic
Willmann, Tobias
University of Stuttgart, Institute for Structural Mechanic
Butz, Alexander  
Fraunhofer-Institut für Werkstoffmechanik IWM  
Bischoff, Manfred
University of Stuttgart, Institute for Structural Mechanic
Mainwork
14th European LS-DYNA Conference 2023  
Project(s)
Verbesserte Blechumformsimulation durch 3D-Werkstoffmodelle und erweiterte Schalenformulierungen
Verbesserte Blechumformsimulation durch 3D-Werkstoffmodelle und erweiterte Schalenformulierungen – Teil 2
Funder
Bundesministerium für Wirtschaft und Klimaschutz -BMWK-
Bundesministerium für Wirtschaft und Klimaschutz -BMWK-
Conference
European LS-DYNA Conference 2023  
Link
Link
Language
English
Fraunhofer-Institut für Werkstoffmechanik IWM  
Keyword(s)
  • Higher-Order 3D-Shell Element

  • Anisotropic 3D Yield Function

  • Metal Forming Simulation

  • critical forming situation

  • full three-dimensional constitutive model

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