Question #697526 on Yade changed:
https://answers.launchpad.net/yade/+question/697526
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
It can happen that LDL fails for numerical reason, then the solver switches to
LDLt, which is more stable.
I _could_ be a safe warning.
That said, I'm struggling to understand why you would use periodic FlowEngine
with (it seems) a non-periodic problem.
Also this makes no sense in periodic conditions since there are no boundaries:
flow.bndCondIsPressure=[0,0,1,1,0,0]
I hope it helps.
Bruno
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