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Re: [Question #695558]: Dynamics of pfacet object does not appear to be correct

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Klaus Thoeni <question695558@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 18 Feb 2021 09:55:54 -0000
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Question #695558 on Yade changed:
https://answers.launchpad.net/yade/+question/695558

    Status: Open => Answered

Klaus Thoeni proposed the following answer:
He John,

you can find an example on how to use gridConnections and pFacets here
[1]. Just as a reminder, the end nodes of a grdiConnection can rotate.
Regarding symmetry, one little instability is enough to change the
system behaviour. Consider using some damping in Newtonintegrator and
you will see it's behaving as expected.

HTH
Klaus

[1] https://gitlab.com/yade-
dev/trunk/-/blob/master/examples/cylinders/mikado.py

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