Question #659557 on Yade changed:
https://answers.launchpad.net/yade/+question/659557
Status: Open => Answered
Robert Caulk proposed the following answer:
Hey Luc,
>However, this version does not allow to run simulations with
DFNFlowEngine as it produces a segfault
Yes, the first DFNFlow code I encountered in Yade was 2017.10a. And it
segfaulted by default...this is the bug that I reported and fixed (?)
[1]. I would be curious to someday see Papachristos' DFNFlow code used
to publish [2]. I digress.
>CHOLMOD warning: matrix not positive definite
>something went wrong in Cholesky factorization, use LDLt as fallback this time1
Have you tried using a smaller timestep?
Best,
Robert
[1]https://bugs.launchpad.net/yade/+bug/1666339
[2]Papachristos, E., Scholtès, L., Donzé, F. V., & Chareyre, B. (2017).
Intensity and volumetric characterizations of hydraulically driven fractures by
hydro-mechanical simulations. International Journal of Rock Mechanics and
Mining Sciences, 93(January), 163–178.
http://doi.org/10.1016/j.ijrmms.2017.01.011
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