!  -*-f90-*-  (for Emacs)    vim:set filetype=fortran:  (for vim)
!
! Run parameters for Rayleigh-Taylor problem
!
&run_pars
  cvsid='$Id$'
  nt=40000, it1=100, cdt=0.1, cdtv=0.20, isave=50, itorder=3,
  dsnap=0.1, dvid=1., d2davg=0.01
  tmax=80.
  bcz = 's','s','a','a2','a2'   !(ux,uy,uz,lnrho,ss) 
  lpencil_check=T
/
&eos_run_pars
/
&hydro_run_pars
/
&density_run_pars
  cdiffrho=0.,  ! no mass diffusion
  lupw_lnrho=T  ! use upwinding for lnrho to avoid wiggles
/
&grav_run_pars
  gravz_profile='const', gravz=-0.1   ! constant gravity in the z-direction
/
&entropy_run_pars
  lupw_ss=T ! use upwinding for entropy to avoid wiggles
/
&viscosity_run_pars
  ivisc='nu-const'
  nu=2.e-7 ! for 30*90
/