LS-DYNA3D Simulation of Sheet Metal Forming using Damage Based User Subroutine 2001-01-1129
LS-DYNA3D has been widely used to perform computer simulation of sheet metal forming. In the material library of LS-DYNA3D there are a number of user defined material models. In order to take full advantage of the material subroutines, it is important for the users to be able to display user defined history variables in the post processing and to establish user-defined failure criterion. In this report, the development of a damage coupled plastic model is firstly described. The damage model is then programmed in a user defined material subroutine. This is followed by performing finite element simulation of sheet metal forming with the LS-DYNA3D that has incorporated the damage coupled plastic model. The way to display the user defined history variables and how to deal with the failure criterion during the postprocessing of ETA/DYNAFORM are described. History variable distributions at several time steps are displayed and discussed in this paper.
Citation: Chow, C., Yang, X., and Chu, E., "LS-DYNA3D Simulation of Sheet Metal Forming using Damage Based User Subroutine," SAE Technical Paper 2001-01-1129, 2001, https://doi.org/10.4271/2001-01-1129. Download Citation
Author(s):
C. L. Chow, X. J. Yang, E. Chu
Affiliated:
University of Michigan-Dearborn
Pages: 8
Event:
SAE 2001 World Congress
ISSN:
0148-7191
e-ISSN:
2688-3627
Also in:
New Sheet Steel Products and Sheet Metal Stamping-SP-1614
Related Topics:
Computer simulation
Technical review
Forming
Historical reference
Simulation and modeling
Logistics
Metals
Plastics
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