## Study thermal conductivity in Silicon and Kapitza Resistance ## Nipun Goel, May, 2013 # System Initialization read_restart eq6_30000_novelocity.rst #units metal #dimension 3 #atom_style atomic # Creating Atoms #lattice diamond 5.427 #read_data eq4e_11000_masschange.data #reset_timestep 11000 #region R_box block 0 10 0 10 0 80 #create_box 1 R_box #create_atoms 1 box region influx block INF INF INF INF 105.25 112.0 units box region outflux block INF INF INF INF 323.65 330.4 units box #mass 1 28.0855 #group Si_light type 1 #group Si_heavy type 2 group g_hot region influx group g_cold region outflux #velocity Si_light create 300.00 21341351 #velocity Si_heavy create 300.00 42354136 # Defining Interatomic Potential pair_style tersoff pair_coeff * * /Users/nig210/Potentials/Si.tersoff Si Si neighbor 1.0 bin neigh_modify every 1 delay 1 check yes # Equilibration compute ke all ke/atom compute temp_hot g_hot temp compute temp_cold g_cold temp fix fix1 all nve fix fluxin g_hot heat 1 4.0 region influx fix fluxout g_cold heat 1 -4.0 region outflux fix fixke all ave/atom 20 25 500 c_ke thermo 10 thermo_style custom step temp c_temp_hot c_temp_cold pe ke etotal vol press pxy pyz pxz dump D1 all cfg 20000 eq7b4p0_*.cfg id type xs ys zs c_ke f_fixke #dump D2 all custom 20000 eq1_*.xyz id type x y z dump_modify D1 element Si Cu #displace_atoms all random 0.04 0.04 0.04 32145624 restart 20000 eq7b4p0_*.rst run 90000 #unfix fix1 #velocity all create 300.00 654326823 #fix fix2 all npt temp 300.0 300.0 0.2 iso 0.0 0.0 1.0 #run 50000