PLUMED-NEST-TEST-SITE

Project ID: plumID:21.006
Source: ala2-multiumbrella-phi/plumed.dat
Originally used with PLUMED version: 2.8
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. 

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#  This input generates a multiumbrella simulation  #
#  that samples along the phi collective variable   #
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phiThe TORSION action with label phi calculates the following quantities:
 Quantity   
 Type   
 Description  
phi
scalar
the TORSION involving these atoms: TORSIONCalculate one or multiple torsional angles. More details ATOMSthe four atoms involved in the torsional angle=5,7,9,15
psiThe TORSION action with label psi calculates the following quantities:
 Quantity   
 Type   
 Description  
psi
scalar
the TORSION involving these atoms: TORSIONCalculate one or multiple torsional angles. More details ATOMSthe four atoms involved in the torsional angle=7,9,15,17
eneThe ENERGY action with label ene calculates the following quantities:
 Quantity   
 Type   
 Description  
ene
scalar
the internal energy: ENERGYCalculate the total potential energy of the simulation box. More details

ecvThe ECV_UMBRELLAS_LINE action with label ecv calculates the following quantities:
 Quantity   
 Type   
 Description  
ecv.phi
scalar
the value of the argument named phi: ECV_UMBRELLAS_LINETarget a multiumbrella ensemble, by combining systems each with a parabolic bias potential at a different location. This action has hidden defaults. More details ARGthe labels of the scalar values that are input to this action=phi CV_MINthe minimum of the CV range to be explored=-pi CV_MAXthe maximum of the CV range to be explored=pi SIGMAsigma of the umbrella Gaussians=0.15 BARRIERa guess of the free energy barrier to be overcome (better to stay higher than lower)=50
ecv: ECV_UMBRELLAS_LINETarget a multiumbrella ensemble, by combining systems each with a parabolic bias potential at a different location. This action uses the defaults shown here. More details ARGthe labels of the scalar values that are input to this action=phi CV_MINthe minimum of the CV range to be explored=-pi CV_MAXthe maximum of the CV range to be explored=pi SIGMAsigma of the umbrella Gaussians=0.15 BARRIERa guess of the free energy barrier to be overcome (better to stay higher than lower)=50  TEMP temperature=-1 SPACING the distance between umbrellas, in units of SIGMA=1
opesThe OPES_EXPANDED action with label opes calculates the following quantities:
 Quantity   
 Type   
 Description  
opes.bias
scalar
the instantaneous value of the bias potential: OPES_EXPANDEDOn-the-fly probability enhanced sampling with expanded ensembles for the target distribution. This action has hidden defaults. More details ARGthe label of the ECVs that define the expansion=ecv.* PACEhow often the bias is updated=500 FILE a file with the estimate of the relative Delta F for each component of the target and of the global c(t)=DeltaFs.data STATE_WFILEwrite to this file the Delta F estimates and all the info needed to RESTART the simulation=State.data
opes: OPES_EXPANDEDOn-the-fly probability enhanced sampling with expanded ensembles for the target distribution. This action uses the defaults shown here. More details ARGthe label of the ECVs that define the expansion=ecv.* PACEhow often the bias is updated=500 FILE a file with the estimate of the relative Delta F for each component of the target and of the global c(t)=DeltaFs.data STATE_WFILEwrite to this file the Delta F estimates and all the info needed to RESTART the simulation=State.data  OBSERVATION_STEPS number of unbiased initial PACE steps to collect statistics for initialization=100 PRINT_STRIDE stride for printing to DELTAFS file, in units of PACE=100

PRINTPrint quantities to a file. More details FMTthe format that should be used to output real numbers=%g STRIDE the frequency with which the quantities of interest should be output=500 FILEthe name of the file on which to output these quantities=Colvar.data ARGthe labels of the values that you would like to print to the file=phi,psi,ene,opes.bias

The PRINT action with label  calculates somethingENDPLUMEDTerminate plumed input. More details

This choice of SIGMA will generate 43 umbrellas.