&run_pars
  cvsid='$Id: run.in,v 1.8 2004/02/12 10:44:11 nilshau Exp $',
  nt=10000, it1=10, cdt=0.4, cdtv=0.80, isave=100, itorder=3,
  dsnap=200., dvid=200., ialive=1,dspec=2.,vel_spec=T,mag_spec=T,
  fft_switch='fftpack',lsfu=T,lsfb=T,lsfz1=T,lsfz2=T,nr_directions=1,
  oned=T,lsfflux=T
/
&hydro_run_pars
  nu=4e-4, ivisc='nu-const',
/
&density_run_pars
/
&forcing_run_pars
  iforce='helical', force=0.02, relhel=0.,slope_ff=5.
/
&magnetic_run_pars
  eta=4e-4,bthresh_per_brms=3.0
/
