Umbrella sampling of 2 CNT's taking distance as collective variable

From: Kashish Punjani (kashish1102_at_gmail.com)
Date: Wed Jun 01 2016 - 01:16:45 CDT

This is my colvars file
colvarsTrajFrequency 200

colvar {
  name colvar_dist
  distance {
    group1 {
      atomNumbersRange 1-143
      #atomNumbers {3}
    }
    group2 {
      atomNumbersRange 1807-1949
      #atomNumbers {1810}
    }
  }
}

harmonic {
  name potential
  colvars colvar_dist
  centers 20.0
  targetCenters 18.0 16.0 14.0 12.0 10.0
  targetNumStages 5
  targetNumSteps 10000
  forceConstant 100.0
}

but in colvars.traj it is not reaching all the targetCenters. It just
reaches 18.0
Please help.

Thanks

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