Texture-Based Explicit Finite-Element Analysis of Sheet Metal Forming

Abstract:

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An explicit integration algorithm using a texture-based plastic potential and isotropic hardening has been developed and implemented into a commercial explicit finite-element software program through a user material subroutine (VUMAT in ABAQUS/Explicit). Simulations of cup drawing of an IF-steel are presented and compared to both experimental data and calculation results obtained with a previously developed fully implicit approach (UMAT in ABAQUS/Standard). The explicit formulation has the advantage of being more stable, but local sheet thickness variations cannot be reproduced with the same accuracy.

Info:

Periodical:

Materials Science Forum (Volumes 495-497)

Edited by:

Paul Van Houtte and Leo Kestens

Pages:

1535-1540

DOI:

10.4028/www.scientific.net/MSF.495-497.1535

Citation:

S. Ristić et al., "Texture-Based Explicit Finite-Element Analysis of Sheet Metal Forming", Materials Science Forum, Vols. 495-497, pp. 1535-1540, 2005

Online since:

September 2005

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Price:

$35.00

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