Dynamic Simulation with Constant Volume

 # Control section
 &cntrl
  ntwx = 500, ntpr = 500, iwrap=1,
  ntt = 1, temp0 = 300.0, tempi = 5.0, tautp = 1.0, 
  dielc = 1, cut = 8.0, ig=103,
  ntb = 1, ntc = 2, ntf = 2, 
  nstlim = 20000, dt = 0.0020, 
  ntp = 0, ibelly = 0, ntr = 0, 
  imin = 0, irest = 0, ntx = 1, nmropt = 1, 
 /
 &ewald
  skinnb = 2.0,
  nbflag = 1,
 /

 &wt
  type = 'TEMP0', istep1 = 1, istep2 = 20000, value1 = 5.0, value2 = 300.0, 
 /
 &wt
  type='END'
 /
END
