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  4. Using Lagrangian particles to efficiently describe microstructure evolution in metal forming - Application to texture-induced mechanical anisotropy
 
research article

Using Lagrangian particles to efficiently describe microstructure evolution in metal forming - Application to texture-induced mechanical anisotropy

Béringhier, M.
•
Delannay, L.
•
Chastel, Y.
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2007
Modelling and Simulation in Materials Science and Engineering

The paper proposes an original use of the Lagrangian particles concept for finite element computation of microstructure evolution in metal forming. The method amounts to distributing incomplete representations of the microstructure among the integration points of the mesh while a complete microstructure is associated with each Lagrangian particle. This decreases the computation time and enables the transport of microstructural variables when remeshing. While the method is presented for any kind of discretized microstructure, it is applied here to the prediction of mechanical anisotropy induced by crystallographic texture. In this specific case, the numerical predictions are validated against experiment by considering compression of a textured aluminium alloy (AA7175). The model accuracy is assessed with respect to both mechanical anisotropy and texture evolution. © 2007 IOP Publishing Ltd.

  • Details
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Type
research article
DOI
10.1088/0965-0393/15/3/001
Author(s)
Béringhier, M.
Delannay, L.
Chastel, Y.
Logé, R.  
Date Issued

2007

Published in
Modelling and Simulation in Materials Science and Engineering
Volume

15

Start page

191

End page

204

Subjects

Anisotropy

•

Computation theory

•

Crystallography

•

Finite element computation

•

Finite element method

•

Lagrangian particles

•

Mathematical models

•

Mechanical anisotropy

•

Metal forming

•

Microstructure

•

Microstructure evolution

Editorial or Peer reviewed

REVIEWED

Written at

OTHER

EPFL units
LMTM  
Available on Infoscience
November 14, 2014
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/108793
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