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FATAL ERROR: Periodic cell has become too small for original patch grid!
Possible solutions are to restart from a recent checkpoint,
increase margin, or disable useFlexibleCell for liquid simulation.
FATAL ERROR: Periodic cell has become too small for original patch grid!
Possible solutions are to restart from a recent checkpoint,
increase margin, or disable useFlexibleCell for liquid simulation.
ÕâÊÇΪʲô£¿ÏÂÃæÊÇÎÒµÄconf file
structure         3HT_20.psf
coordinates       3HT_20_centered.pdb


set outputname     NPT file for 3 HT


#continuing a run
set inputname      nimi
binVelocities      3HT_20_mini.restart.vel
bincoordinates     3HT_20_mini.restart.coor
extendedsystem     3HT_20_mini.restart.xsc
firsttimestep      6000
numsteps           2506000


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

# Input

paraTypeCharmm            on
parameters           ht_monomer.par
# Force-Field Parameters
exclude             scaled1-4
1-4scaling          1.0
cutoff              12.
switching           on
switchdist          10.
pairlistdist        13.5



# Integrator Parameters
timestep            2.0  ;# 2fs/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        300
langevinHydrogen    off    ;# don't couple langevin bath to hydrogens


#PBC
wrapall                         on
cellBasisVector1    31.312999725341797    0.0   0.0
cellBasisVector2     0.0   32.558000564575195   0.0
cellBasisVector3     0.0    0   45.066001892089844
cellOrigin          -3.0093722216406604e-6 1.4230939996195957e-5 2.136936927854549e-6

wrapAll             on


# PME (for full-system periodic electrostatics)
PME                 yes
PMEGridSizeX        42
PMEGridSizeY        43
PMEGridSizeZ        55


# Constant Pressure Control (variable volume)
useGroupPressure      yes ;# needed for rigidBonds
useFlexibleCell       no  ;# no for water box yes for membrane
useConstantArea       no  ;# no for waterbox, maybe for membrane

langevinPiston        on
langevinPistonTarget  1.01325 ;#  in bar -> 1 atm
langevinPistonPeriod  100.
langevinPistonDecay   50.
langevinPistonTemp    300


# Output
outputName          $outputname

restartfreq         2500     ;# 2500steps = every 5ps
dcdfreq             1000     ;# 1000steps = every 2ps
xstFreq             1000
outputEnergies      500
outputPressure      500


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


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

# Minimization

run 2500000 ;# 5ns
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cellBasisVector2     0.0   32.558000564575195   0.0
cellBasisVector3     0.0    0   45.066001892089844
cellOrigin          -3.0093722216406604e-6 1.4230939996195957e-5 2.136936927854549e-6
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langevinPistonPeriod  100.
langevinPistonDecay   50.

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ÄãºÃ£¬ÎÒÔÚÓÃnamdÄ£ÄânptϵÄÁ×֬Ĥ£¬µ«ÊÇÒ²Óöµ½ÁËPeriodic cell has become too small for original patch gridµÄÎÊÌ⣬¿´µ½Äã·¢¹ýÌû×Ó£¬ÏëÎÊһϣ¬ÄãÊÇÔõô½â¾öµÄ£¿·Ç³£¸Ðл!
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