&run_pars
  cvsid='$Id: run.in,v 1.1 2004/07/31 16:27:15 brandenb Exp $',
  nt=1000000, it1=10, cdt=0.4, cdtv=0.30, isave=100000, itorder=3,
  dsnap=20., dvid=.5, ialive=1, dspec=2, vel_spec=T, mag_spec=F
  fft_switch='fftpack',lsfu=F,
  lpdfu=F,lpdfb=F,lpdfz1=F,lpdfz2=F,nr_directions=1
  slice_position='p'
/
&hydro_run_pars
/
&density_run_pars
/
&forcing_run_pars
  iforce='helical', force=0.02, relhel=0.
/
&viscosity_run_pars
  ivisc='smagorinsky_simplified',c_smag=0.20,nu=0
/
