Hi @akohlmey
I tried with eam/fs taken from Interatomic Potentials Repository and smaller system, but the results were similar.
So far the eam/fs files I have tried were Cu-Zr_4.eam.fs and Cu-Zr_3.eam.fs
Atoms are still flying out.
Cu-Zr_4.eam.fs (2.2 MB)
cube.dat (259.4 KB)
testcut1.in (2.2 KB)