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control_water_6540_mpi 3.97 KiB
simulation_name         water_6540_notab_nve_qeq_mpi    ! output files will carry this name + their specific ext.
ensemble_type           0                       ! 0: NVE, 1: Berendsen NVT, 2: nose-Hoover NVT, 3: semi-isotropic NPT, 4: isotropic NPT, 5: anisotropic NPT
nsteps                  100                     ! number of simulation steps
dt                      0.10                    ! time step in fs
periodic_boundaries     1                       ! 0: no periodic boundaries, 1: periodic boundaries
proc_by_dim             1 1 2                   ! distribution of processors by dimensions
geo_format              1                       ! 0: custom  1: pdb (only if natoms < 100000) 2: ASCII restart 3: binary restart

reposition_atoms        0                       ! 0: just fit to periodic boundaries, 1: CoM to the center of box, 3: CoM to the origin
restrict_bonds          0                       ! enforce the bonds given in CONECT lines of pdb file for this many steps
tabulate_long_range     0                       ! denotes the granularity of long range tabulation, 0 means no tabulation
energy_update_freq      1
remove_CoM_vel          500                     ! remove the translational and rotational vel around the center of mass at every 'this many' steps

reneighbor              1
vlist_buffer            0

nbrhood_cutoff          4.5                     ! near neighbors cutoff for bond calculations (Angstroms)
bond_graph_cutoff       0.3                     ! bond strength cutoff for bond graphs (Angstroms)
thb_cutoff              0.001                   ! cutoff value for three body interactions (Angstroms)
hbond_cutoff            7.50                    ! cutoff distance for hydrogen bond interactions (Angstroms)

qeq_freq                1                       ! frequency to update charges with QEq
q_err                   1e-6                    ! norm of the relative residual in QEq solve

temp_init               0.0                     ! desired initial temperature of the simulated system
temp_final              300.0                   ! desired final temperature of the simulated system
t_mass                  0.16666                 ! 0.16666 for Nose-Hoover nvt ! 100.0 for npt! in fs, thermal inertia parameter
t_mode                  0                       ! 0: T-coupling only, 1: step-wise, 2: constant slope
t_rate                  -100.0                  ! in K
t_freq                  4.0                     ! in ps

pressure                0.000101325 0.000101325 0.000101325     ! desired pressure of the simulated system in GPa, 1atm = 0.000101325 GPa
p_mass                  5000.00     5000.00     5000.00      ! in fs, pressure inertia parameter
compress                0.008134                ! in ps^2 * A / amu ( 4.5X10^(-5) bar^(-1) )
press_mode              0                       ! 0: internal + external pressure, 1: ext only, 2: int only

geo_format              1                       ! 0: custom, 1: pdb, 2: bgf
write_freq              0                       ! write trajectory after so many steps
traj_method             1                       ! 0: simple parallel I/O, 1: MPI I/O
traj_title              WATER_NVE               ! (no white spaces)
atom_info               1                       ! 0: no atom info, 1: print basic atom info in the trajectory file
atom_forces             0                       ! 0: basic atom format, 1: print force on each atom in the trajectory file
atom_velocities         0                       ! 0: basic atom format, 1: print the velocity of each atom in the trajectory file
bond_info               1                       ! 0: do not print bonds, 1: print bonds in the trajectory file
angle_info              1                       ! 0: do not print angles, 1: print angles in the trajectory file

restart_format          1                       ! 0: restarts in ASCII  1: restarts in binary
restart_freq            0                       ! 0: do not output any restart files. >0: output a restart file at every 'this many' steps