[CP2K-user] [CP2K:20645] System Exploded During MD Simulation with NequIP Potential

'Kam-Tung Chan (Tonybill)' via cp2k cp2k at googlegroups.com
Sun Sep 1 02:26:20 UTC 2024


Dear CP2K users,

I ran an MD simulation with a trained machine learning potential, NequIP, 
using CP2K. However, the system was not stable, and starting the first step 
of the MD run, the temperature increased from 300 K to 534 K. 

I was following the documentation and the tutorial on Google Colab to 
construct my input file:
https://manual.cp2k.org/trunk/methods/machine_learning/nequip.html
https://colab.research.google.com/github/gabriele16/cp2k/blob/nequip-cp2k-colab/colab/allegro-cp2k-tutorial.ipynb
I am unsure if it is due to the problem of units, as my trained NequIP 
model has the units in angstrom, eV, and eV/angstrom.

I really appreciate any help you can provide!

Best,
Tonybill

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