&run_pars
  cvsid='$Id: run.in,v 1.1 2003/11/10 14:14:40 nilshau Exp $',
  nt=3000, it1=10, cdt=0.4, cdtv=0.80, isave=100, itorder=3,
  dsnap=20., dvid=0.2, ialive=1,dspec=2.,vel_spec=T,ro_spec=T,
  fft_switch='fftpack',lsfu=F,nr_directions=1,
  oned=T
/
&hydro_run_pars
/
&density_run_pars
/
&forcing_run_pars
  iforce='helical', force=0.64, relhel=0.,slope_ff=5.
/
&viscosity_run_pars
  nu=7e-2,nu_shock=2.
