[CIG-SHORT] Smoothing Issues

Brad Aagaard baagaard at usgs.gov
Wed Oct 19 17:24:39 PDT 2016


For starters please see the recent discussion with the subject "Question 
about accuracy in PyLith" at

In addition to evaluating mesh quality, to get rid of checker-boarding 
you should also consider using a finer mesh and/or tighter solver 


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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