Simulation of Cup-Drawing Based on Crystal Plasticity Applied to Reduced Grain Samplings

Laurent Delannay; M. Béringhier; Yvan Chastel; Roland E. Logé

doi:10.4028/www.scientific.net/MSF.495-497.1639

Paper Titles

Plastic Anisotropy and Texture Evolution of Rolled AZ3l Magnesium Alloys
p.1615

Crystal Plastic Finite Element Simulation of Fe-Cu Polycrystals
p.1621

Simulation of the Lattice Strains Developed during a Tensile Test on a Multiphase Steel
p.1627

Synchrotron Radiation Investigation of Twinning in Extruded Magnesium Alloy AZ3l
p.1633

Simulation of Cup-Drawing Based on Crystal Plasticity Applied to Reduced Grain Samplings
p.1639

Effect of Annealing Temperature on Texture and Creep Anisotropy in Ti3Al2.5V Alloy
p.1645

The Application of ODF Analysis for Drawing Sheet of Weak Textured Materials
p.1653

Prediction of Texture Induced Anisotropy by Through-Process Modelling
p.1657

Structure and Crystallographic Texture of Arthropod Bio-Composites
p.1665

HomeMaterials Science ForumMaterials Science Forum Vols. 495-497Simulation of Cup-Drawing Based on Crystal...

Simulation of Cup-Drawing Based on Crystal Plasticity Applied to Reduced Grain Samplings

Abstract:

This paper presents a means of reducing the computational cost of finite element (FE) simulations coupled to polycrystal plasticity theory. One typically assumes that a polycrystal with a large number of grains underlies every integration point of the FE mesh. Instead, it is suggested here using reduced samplings of grains which differ from one integration point to another. On average, every set of 5 to 25 finite elements contains a variety of lattice orientations that is representative of the macroscopic texture. The model is applied to deep-drawing of a cylindrical cup made of steel. In a first set of simulations, grains are assigned orientations representative of a cold rolling texture and the “earing” profile is compared to experiment. In a second set of simulations, lattice orientations are random and an isotropic deep-drawing result is expected. It is demonstrated that using a minimum of 20 grains per integration point allows properly predicting the final shape of the cup and the texture development.

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Periodical:

Materials Science Forum (Volumes 495-497)

Pages:

1639-1644

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.495-497.1639

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Cite this paper

Online since:

September 2005

Authors:

Laurent Delannay, M. Béringhier, Yvan Chastel, Roland E. Logé

Keywords:

Deep Drawing, Finite Element, Polycrystal Plasticity, Steel Sheet, Texture

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