Third M.I.T. Conference on Computational Fluid and Solid Mechanics June 14–17, 2005  

An influence of the material discontinuity on the die forging process – numerical simulation

J. Adamus, P. Lacki*
Institute of Metal Working, Quality Engineering and Bioengineering, Częstochowa University of Technology, AL, Armií Krajowej 21, 42-200 Częstochowa, Poland

  Full Text
In this paper a simulation of the defect (material discontinuity) influence on the die forging process has been presented. Two basic operations of the die forging process, i.e. upsetting and preparing, have been simulated. Numerical calculations have been made with the ADINA System using finite element methods. The results show changes in defect geometry as a result of plastic deformation. The defect influence on the plastic strain distribution in the forging and changes in its geometry has also been shown.

Keywords:  Defects; Material discontinuity; Contact problems; Die forging; Numerical simulation; ADINA

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