{\bf Limitations related to the short range potential}\\[0.2cm]
Cut-off function limits interaction to next neighbours\\
$\Rightarrow$ Overestimated unphysical high forces of next neighbours
{\bf Limitations related to the short range potential}\\[0.2cm]
Cut-off function limits interaction to next neighbours\\
$\Rightarrow$ Overestimated unphysical high forces of next neighbours