Re: conf file script ( help needed )

From: flavio seixas (oivalf_nix_at_yahoo.com)
Date: Mon Jun 06 2011 - 07:02:41 CDT

Sorry,

A problem with my copy and paste

Here the complet script.

Regards,

Flavio

#############################################################
## JOB DESCRIPTION                                         ##
#############################################################

# Simulated annealing

#############################################################
## ADJUSTABLE
 PARAMETERS                                   ##
#############################################################

structure          PROT.psf
coordinates        PROT.pdb

set temperature    300
set outputname     PROT_anneal

firsttimestep      0

#############################################################
## SIMULATION PARAMETERS                                   ##
#############################################################

#
 Input
paraTypeCharmm        on
parameters          par_all27_prot_lipid_na.inp
temperature         $temperature

# Force-Field Parameters
exclude             scaled1-4
1-4scaling          1.0
cutoff              12.0
switching           on
switchdist          10.0
pairlistdist        13.5

# Integrator Parameters
timestep            1.0  ;# 1fs/step
rigidBonds          all  ;# needed
 for 2fs steps
nonbondedFreq       1
fullElectFrequency  2 
stepspercycle       10

# Constant Temperature Control
langevin            on    ;# do langevin dynamics
langevinDamping     5     ;# damping coefficient (gamma) of 5/ps
langevinTemp        $temperature
langevinHydrogen    off    ;# don't couple langevin bath to hydrogens

# Periodic Boundary Conditions
cellBasisVector1    85.5    0.    0.
cellBasisVector2     0.   100.    0.
cellBasisVector3     0.     0.  
 75.5
cellOrigin          74.5   58.0  65.0

wrapAll             on

# PME (for full-system periodic electrostatics)
PME                 yes
PMEGridSpacing      1.0

#manual grid definition
#PMEGridSizeX        90
#PMEGridSizeY       105
#PMEGridSizeZ        80

# Constant Pressure Control (variable volume)
useGroupPressure      yes ;# needed for rigidBonds
useFlexibleCell       no
useConstantArea       no

langevinPiston       
 on
langevinPistonTarget  1.01325 ;#  in bar -> 1 atm
langevinPistonPeriod  100.0
langevinPistonDecay   50.0
langevinPistonTemp    $temperature

# Output
outputName          $outputname
binaryoutput        no

restartfreq         500     ;# 500steps = every 1ps
dcdfreq             500
xstFreq             500
outputEnergies      100
outputPressure      100

#############################################################
## EXTRA
 PARAMETERS                                        ##
#############################################################

#############################################################
## EXECUTION SCRIPT                                        ##
#############################################################

# Minimization

minimize 100

for { set TEMP 0 } { $TEMP < 300 } { incr TEMP 5 } {
 run 20000
 reassignTemp $TEMP
}
minimize 1000

--- On Sat, 6/4/11, Molecular Dynamics
 <moleculardynamics_at_yahoo.com> wrote:

From: Molecular Dynamics <moleculardynamics_at_yahoo.com>
Subject: Re: namd-l: conf file script ( help needed )
To: "flavio seixas" <oivalf_nix_at_yahoo.com>
Date: Saturday, June 4, 2011, 9:39 PM

Dear Flavio,
 
Thanks for the script and I will try it for my simulations, but I think some parts of the script is missing and it 's not complete. So could you please re-send your script ?
 
Thanks for your help
 
M

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