!
!  run parameters for forced helical MHD turbulence
!
&run_pars
  cvsid='$Id: run.in,v 1.1 2005/07/17 20:10:34 brandenb Exp $',
  nt=5000, it1=20, cdt=0.4, cdtv=0.40, isave=10, itorder=3, old_cdtv=F
  dsnap=1, dvid=0.2, dtmin=1e-12 !,dspec=0.5,
  !fft_switch='fftpack',vel_spec=T,mag_spec=T
/
&hydro_run_pars
  rdampext=2.5, dampuext=20., wdamp=.2
/
&density_run_pars
  lupw_lnrho=T ! use upwinding for lnrho to avoid wiggles
/
&grav_run_pars
/
&magnetic_run_pars
  eta=2e-2
  bthresh_per_brms=3.0
  B_ext=.02,.0,.02, omega_Bz_ext=.4
/
&shear_run_pars
  qshear=1.5
/
&viscosity_run_pars
  nu=2e-2
/
