[CIG-SHORT] Nonlinear solve diverged_function_count

[Charles Williams]

Dear Bobby,

It’s hard to say without seeing all of your settings, but those seem like pretty tight values for rtol.  Is there a reason you are setting them so small?

Cheers,
Charles


> On 27/02/2016, at 6:36 AM, Bobak Karimi <bkarimi at clarion.edu> wrote:
> 
> Hello,
>  
> I recently got this error on a simulation I was running, and am not sure how to apply a fix for it:
>  
> Nonlinear solve did not converge due to DIVERGED_FUNCTION_COUNT iterations 2743
>  
> My KSP and NSES rtol = 1.0e-20
> KSP_atol = 1.0e-11
> SNES_atol = 1.0e-9
>  
> The zero-tolerance on my faults is 1.0e-10.
>  
> Any help would be much appreciated,
>  
> Thanks!
> Bobby
>  
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Charles A. Williams
Scientist
GNS Science
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