[CIG-SHORT] Smoothing Issues

[Charles Williams]

Also, it would be helpful to know more about the problem you are solving, and if you are using any unusual material properties, etc.

Cheers,
Charles


> On 20/10/2016, at 1:24 PM, Brad Aagaard <baagaard at usgs.gov> wrote:
> 
> Nick,
> 
> For starters please see the recent discussion with the subject "Question about accuracy in PyLith" at
> http://lists.geodynamics.org/pipermail/cig-short/2016-October/thread.html
> 
> In addition to evaluating mesh quality, to get rid of checker-boarding you should also consider using a finer mesh and/or tighter solver tolerances.
> 
> Regards,
> Brad
> 
> 
> On 10/19/2016 04:40 PM, Nick Wogan wrote:
>> Hi Pylith,
>> 
>> I am having issues with the Pylith output lacking smoothness. It is very
>> clear in the attached photo plotting stress_zz that there are large
>> jumps in stress that are unexpected. Is this "checker-boarding"
>> something that can be fixed?
>> 
>> Let me know if I should send the mesh, cfg, spacialdb files.
>> 
>> Thanks!
>> 
>> Nick Wogan
>> Research Assistant
>> University of Oregon
>> 
>> 
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> 
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Charles A. Williams
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