[Mesa-users] Retry reason: nonzero_ierr，hydro_failed

[Philip Mocz]

Hi Guo,

Would you mind sharing a bit more about your setup/inlists and which
version of Mesa you are using? Just to check, the simulations are not
crashing, just taking very small timesteps and the solver is having a hard
time converging? (That's what the warnings seem to indicate)

Best,
Philip

On Wed, Sep 25, 2024, 7:23 AM Guo Li via Mesa-users <
mesa-users at lists.mesastar.org> wrote:

> Dear MESA users,
>
> I am experiencing issues with my MESA simulation, specifically receiving
> the following errors:
>
>    1. Retry reason: nonzero_ierr
>    2. Retry reason: hydro_failed
>
> Additionally, the dt_limit reasons are often reported as hold, retry, and
> backup. The simulation is running particularly slowly.
>
> Could you please clarify what these messages mean and how I can resolve
> these issues?
>
> Thank you for your assistance!
>
> Best,
> Guo Li
> _______________________________________________
> mesa-users at lists.mesastar.org
> https://lists.mesastar.org/mailman/listinfo/mesa-users
>
>
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