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DAMASK - The Düsseldorf Advanced Material Simulation Kit

Visit damask.mpie.de for installation and usage instructions

DAMASK_EICMD

This is a DAMASK fork with "Discrete deformation twinning model" implementation based on work done by Dr. Satyapriya Gupta and Dr. Philip Eisenlohr at MSU.)

The Discrete Deformation Twinning Model

  • We introduce stochasticity for the nucleation and growth events of twinning through random sampling, similar to Monte Carlo Methods.

  • The ease or difficulty of a twinning event is controlled by adjusting the frequency of sampling.

  • At each voxel, the state of twinning is treated as a discrete quantity, unlike the approach based on diffused volume fraction method.

  • The kinetics of twinning occur in the form of a “jump,” rather than following a rate equation as in the “pseudo-slip” approach.

  • The jumped state is evaluated using the correspondence matrix from Niewczas, Acta Materialia, 2010.

Contact Information

Max-Planck-Institut für Eisenforschung GmbH
Max-Planck-Str. 1
40237 Düsseldorf
Germany

damask@mpie.de
https://damask.mpie.de
https://git.damask.mpie.de

( EICMD Team, IIT Dharwad https://sites.google.com/view/eicmd/home )