[CIG-LONG] Diffusivity problem in Gale

Walter Landry walter at geodynamics.org
Sun Nov 7 18:23:10 PST 2010


Walter Landry <walter at geodynamics.org> wrote:
> Nicolas RIEL <nicolas.riel at free.fr> wrote:
>> Hi Walter,
>> Following our last conversation about diffusivity, I corrected the timestep
>> for the thermal diffusivity and it fixed the abnormal temperature values that
>> I had.
>> However after runing some tests it appears that diffusivity is constant in
>> gale and set to a specific value.
> 
> There is something odd going on.  I am looking into it.

I have fixed the problem.  As Laetitia noted, the diffusivity is not
actually used.  She also found a plugin that would use material
dependent diffusivity if it worked.  I could never get it to work.  So
I augmented the component that handles all of this to read in the
diffusivity for each material.  If you pull the latest version from
the repository, it should work without any changes to your input file.
I am attaching a picture that shows what I get from your input file
after 10 timesteps.

Cheers,
Walter Landry
walter at geodynamics.org
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