PLUMED-NEST

Project ID: plumID:19.081
Source: Al/01_References/Liquid-Solid/Fcc/2000K-30GPa/plumed.dat
Originally used with PLUMED version: 2.6-dev
Stable: zipped raw stdout - zipped raw stderr - stderr
Master: zipped raw stdout - zipped raw stderr - stderr

Click on the labels of the actions for more information on what each action computes

# vim:ft=plumedEnables syntax highlighting for PLUMED files in vim. See here for more details. 

RESTARTActivate restart. More details

The RESTART action with label  calculates somethingLOADLoads a library, possibly defining new actions. More details FILEfile to be loaded=../../../../../RefCV.cpp

energy: ENERGYCalculate the total potential energy of the simulation box. More details

The ENERGY action with label energy calculates somethingvol: VOLUMECalculate the volume the simulation box. More details

The VOLUME action with label vol calculates the volume of simulation boxREFCVThis action is not part of PLUMED and was included by using a LOAD command More details ...
 SPECIES=1-256
 SIGMA=0.04
 LATTICE_CONSTANTS=0.38
 CRYSTAL_STRUCTURE=FCC
 LABEL=refcv
 MORE_THAN={RATIONAL R_0=0.5 NN=12 MM=24}
 MEAN
... REFCV

# Construct a bias potential using VES
#
# Basis functions

bf1: BF_LEGENDRELegendre polynomials basis functions. More details ORDERThe order of the basis function expansion=20 MINIMUMThe minimum of the interval on which the basis functions are defined=0.0 MAXIMUMThe maximum of the interval on which the basis functions are defined=256.0

# Target distribution
The BF_LEGENDRE action with label bf1 calculates somethingtd_welltemp: TD_WELLTEMPEREDWell-tempered target distribution (dynamic). More details BIASFACTORThe bias factor used for the well-tempered distribution=50

# Expansion

The TD_WELLTEMPERED action with label td_welltemp calculates somethingVES_LINEAR_EXPANSIONLinear basis set expansion bias. More details ...
 ARGthe labels of the scalars on which the bias will act=refcv.morethan
 BASIS_FUNCTIONSthe label of the one dimensional basis functions that should be used=bf1
 TEMPthe system temperature - this is needed if the MD code does not pass the temperature to PLUMED=1500.0
 GRID_BINSthe number of bins used for the grid=300
 TARGET_DISTRIBUTIONthe label of the target distribution to be used=td_welltemp
 LABELa label for the action so that its output can be referenced in the input to other actions=b1
... VES_LINEAR_EXPANSION

# Optimization algorithm

The VES_LINEAR_EXPANSION action with label b1 calculates the following quantities:
 Quantity   
 Description  
b1.bias
the instantaneous value of the bias potential
b1.force2
the instantaneous value of the squared force due to this bias potentialOPT_DUMMYDummy optimizer for debugging. More details ...
  BIASthe label of the VES bias to be optimized=b1
  STRIDEthe frequency of updating the coefficients given in the number of MD steps=500
  LABELa label for the action so that its output can be referenced in the input to other actions=o1
  COEFFS_OUTPUT how often the coefficients should be written to file=10
... OPT_DUMMY

The OPT_DUMMY action with label o1 calculates the following quantities:
 Quantity   
 Description  
o1.value
a scalarQ6Calculate sixth order Steinhardt parameters. More details SPECIESthe list of atoms for which the symmetry function is being calculated and the atoms that can be in the environments=1-256 SWITCHthe switching function that it used in the construction of the contact matrix. Options for this keyword are explained in the documentation for LESS_THAN.={CUBIC D_0=0.25 D_MAX=0.35} VMEAN calculate the norm of the mean vector LABELa label for the action so that its output can be referenced in the input to other actions=q6
The Q6 action with label q6 calculates the following quantities:
 Quantity   
 Description  
q6._vmean
the norm of the mean vector
q6.value
the norms of the vectors of spherical harmonic coefficientsdiff: MATHEVALAn alias to the CUSTOM function that can also be used to calaculate combinations of variables using a custom expression. More details ARGthe values input to this function=q6.vmean,refcv.mean FUNCthe function you wish to evaluate=(x-0.064)/(0.461-0.064)-(y-0.251)/(0.752-0.251) PERIODICif the output of your function is periodic then you should specify the periodicity of the function=NO
The MATHEVAL action with label diff calculates the following quantities:
 Quantity   
 Description  
diff.value
an arbitrary functionUPPER_WALLSDefines a wall for the value of one or more collective variables, More details ARGthe arguments on which the bias is acting=diff ATthe positions of the wall=0.05 KAPPAthe force constant for the wall=500000 EXP the powers for the walls=2 LABELa label for the action so that its output can be referenced in the input to other actions=uwall

The UPPER_WALLS action with label uwall calculates the following quantities:
 Quantity   
 Description  
uwall.bias
the instantaneous value of the bias potential
uwall.force2
the instantaneous value of the squared force due to this bias potentialPRINTPrint quantities to a file. More details ARGthe labels of the values that you would like to print to the file=* FILEthe name of the file on which to output these quantities=COLVAR STRIDE the frequency with which the quantities of interest should be output=500