[CIG-SHORT] Bizarre normal_dir inversion

[Brad Aagaard]

Romain,

Matt fixed a related problem in Dec/Jan in our current development 
version. I would like to see if it resolves your issue. Can you send me 
a tarball of all of your input files?

We are getting very close to a bugfix release, so I would really like to 
see if we have something else that needs fixing or it is already fixed.

Thanks,
Brad


On 2/2/15 10:51 AM, Romain Jolivet wrote:
> Dear Pylith developers,
>
> I am running quite a simple problem and something very bizarre happens.
>
> I have an elastic 2D medium with a fault that cuts in two.
> I impose dirichlet conditions on one side.
> I impose slip on the fault (a combination of creep and an earthquake).
>
> When I compute on one node, everything goes fine. Same with two nodes.
> However, when I get to 3 nodes (and more), some normal_dir of the fault are flipped to the other direction.
> As a result, some nodes of the fault slip in one direction, and the other ones slip in the other direction.
>
> I looked into FaultCohesiveLagrange, in _calcOrientation and, from what I printed to the screen, flipGlobal is always = 0, whatever I do (I mean run with 1, 2, 3 or 4 cores).
> Please find attached the files I use to run the problem.
> Let me know if you find anything that could help me.
>
> Cheers,
> R
>
> PS: I run on an iMac (Maverick). I compiled things manually because I never got the installer to work properly and it is possible that some links are not correctly set up.
>
>
>
>
>
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> Romain Jolivet
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