[aspect-devel] Handing nodes problem

Lev Karatun lev.karatun at gmail.com
Thu May 18 12:40:41 PDT 2017


Hi Cedric,

I'm using free slip for the bottom, free surface at the top, prescribed
in/outflow for the sides, and periodic boundary for front/back. I attached
the screenshots.


Best regards,
Lev Karatun.

2017-05-18 15:04 GMT-04:00 cedric thieulot <c.thieulot at uu.nl>:

> Could you please show the viscosity (in log scale), the density and the
> temperature fields ?
> What kind of boundary conditions are you using ?
>
> Cedric.
>
>
> > On 18 May 2017, at 20:24, Lev Karatun <lev.karatun at gmail.com> wrote:
> >
> > Hi all,
> >
> > Lately, several of my simulations crashed with a non-convergence error,
> and in almost every case there was a velocity anomaly somewhere on the
> boundary between different refinement levels (see attached screenshot). If
> I turn off AMR, the problem goes away. I'm using an Iterated Stokes solver,
> the tolerance is currently 1e-6. I tried lowering the CFL number to 0.1,
> but it didn't help. I was wondering if anyone had similar problems in the
> past, and what would be the common approach to deal with them?
> >
> > Thanks in advance!
> >
> > Best regards,
> > Lev Karatun.
> > <mantle_vel_anomaly.png>_______________________________________________
> > Aspect-devel mailing list
> > Aspect-devel at geodynamics.org
> > http://lists.geodynamics.org/cgi-bin/mailman/listinfo/aspect-devel
>
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