[mesa-users] wd diffusion

[Robert Farmer]

Hi
Have you tried the wd_diffusion and/or the wd_surf_at_tau_1m4  test_suite
cases?

If you have and are still having problems, can you post your inlists with
the changes you've made.

Regards
Rob

On Sun, Jan 8, 2017 at 4:55 PM, Jing Luan <jingluan.xw at gmail.com> wrote:

> Hello,
>
> I'd like to make a WD model with pure hydrogen atmosphere, i.e. all
> heavier elements have settled down. Thus I turn on diffusion in mesa.
> However, mesa has a hard time converging when I also require the surface
> optical depth to be 5 or even lower (actually I need the low optical depth
> part to be treated well in the model). Does anyone know that why diffusion
> does not work well in low optical depth part please? Or how do I get a WD
> model with hydrogen, helium and metals well separated in depth while its
> surface goes up to tau=0.01 please?
>
> Many thanks!
>
> Sincerely,
> Jing
>
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