Hello everyone!
I need guidance regarding the preparation of solid substrate (Silicon) using lammps.
lattice fcc 2.776 orient x 1 1 1 orient y 1 -1 0 orient z 1 1 -2
region layer block -51.0 98.0 -51.0 98.0 -6.0 -0.6
create_atoms 7 region layer
pair_coeff 1 1 0.03 2.5
pair_coeff 2 2 0.066 3.5
pair_coeff 3 3 0.2 3.74
pair_coeff 4 4 0.03 2.42
pair_coeff 5 5 0.07 3.55
pair_coeff 6 6 0.21 2.96
pair_coeff 7 * 0.18286 2.72
pair_coeff 7 7 12.0256 2.475
region lower block INF INF INF INF -6.0 -4.0 units box ## Bottom fixed rigid portion
group lower region lower
group layer1 region layer
fix 1 lower setforce 0.0 0.0 0.0
Best Regard,
Altaf Hussain Siraj