[CIG-SHORT] Convergence

[Charles Williams]

Hi Tabrez,

I would look at the element quality in the mesh.  You can do this in  
ParaView.  The low angles may be giving you poorly-formed elements,  
and this could cause problems.  I doubt that incorrect fault  
parameters is causing the problem, unless you're doing something  
that's giving you very large strains.

Charles



On Dec 10, 2008, at 6:43 PM, Tabrez Ali wrote:

> Brad/PyLith Users
>
> It seems that whenever I use a low angle thrust fault (very low dip)  
> the
> solution (to the quasi-static problem) after a certain number of time
> steps fails to converge and blows up. Can wrong fault parameters  
> such as
> up_dir or normal_dir also cause this?
>
> Regards
> Tabrez
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Charles A. Williams
Scientist
GNS Science
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PO Box 30368
Lower Hutt  5040
New Zealand
ph (office): 0064-4570-4566
fax (office): 0064-4570-4600
C.Williams at gns.cri.nz
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