Proceedings Vol. 16 (2010)
ENGINEERING MECHANICS 2010
May 10 – 13, 2010, Svratka, Czech Republic
Copyright © 2010 Institute of Thermomechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)
list of papers scientific commitee
pages 51 - +8p., full text
The paper deals with material models calibration from experiment tests on cylindrical bar. There are calibrated four ductile damage criteria, which seem to be generally well-known and successful at damage prediction. Four criteria –Strain Limit, Johnson-Cook, Rice-Tracey and EWK are described too. In the paper are discussed alternative damage simulation possibilities as Arbitrary Lagrangian Euler formulation and meshless method. The computations are realised in explicit FEM codes to simulation of bar cutting process. Numerical analysis of the problem was realized by the ANSYS/LS-Dyna and Abaqus-Explicit FEM package.
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