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General information

This repository contains the simulation code and postprocessing presented in the publication "The uncertainty inherent to DEM simulations of interlocking particles" by Maier, Mitterlindner, Benabchiasli, Fasching, and Radl (2025) in Scientific Reports (DOI: https://doi.org/10.1038/s41598-025-90129-6)

  • The folder "runfiles" contains the respective codebase to setup the DEM simulations using the settings and conditions described within the paper.
  • The folder "postprocessing" uses the simulation data (i.e., "*.liggghts"-files) to extract the relevant data and analyse it statistically.
  • The folder "demo" contains demo-"*.liggghts"-files for direct postprocessing without the need to run the simulation to test the postprocessing routines.

Using this information, one is able to reproduce and check the validity of the material presented in our current contribution.

The actual data used in this contribution can be found under: https://doi.org/10.3217/25g2e-6ha82 This data was generated using the scripts in the "postprocessing" folder.

The simulations were run using LIGGGHTS PUBLIC-CG_Heat [1], a fork of LIGGGHTS Public 3.8.0. The postprocessing was done using Python 3.10.13.

[1] https://gitlab.tugraz.at/13097018C9D61E3C/LIGGGHTS-PUBLIC (git commit d4bb78c81af922884f4b61928c19f08099bc3a9e)