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# LAMMPS input file for 50.0% methanol mole fraction solution
# with 2500 methanol molecules in implicit water.
#
#
# Author: David Rosenberger, van der Vegt Group, TU Darmstadt
#
# Refer: Rosenberger, Sanyal, Shell, van der Vegt, J. Chem. Theory Comput. 15, 2881-2895 (2019)
# Initialize simulation box
dimension 3
boundary p p p
units real
atom_style molecular
# Set potential styles
pair_style hybrid/overlay table spline 500 local/density
# Read molecule data and set initial velocities
read_data methanol_implicit_water.data
velocity all create 3.0000e+02 12142 rot yes dist gaussian
# Assign potentials
pair_coeff 1 1 table methanol_implicit_water.pair.table PairMM
pair_coeff * * local/density methanol_implicit_water.localdensity.table
#Recentering during minimization and equilibration
fix recentering all recenter 0.0 0.0 0.0 units box
#Thermostat & time integration
timestep 1.0
thermo 100
thermo_style custom etotal ke pe temp evdwl
#minimization
minimize 1.e-4 0.0 1000 1000
#set up integration parameters
fix timeintegration all nve
fix thermostat all langevin 3.0000e+02 3.0000e+02 1.0000e+02 59915
#Equilibration (for realistic results, run for 2000000 steps)
reset_timestep 0
thermo 200
thermo_style custom etotal ke pe temp evdwl
#run equilibration
run 2000
#turn off recentering during production run
unfix recentering
#setup trajectory output
dump myDump all custom 100 methanol_implicit_water.lammpstrj.gz id type x y z element
dump_modify myDump element M
dump_modify myDump sort id
#run production (for realistic results, run for 10000000 steps)
reset_timestep 0
thermo 1000
thermo_style custom etotal ke pe temp evdwl
run 10000
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