Question #664343 on Yade changed:
https://answers.launchpad.net/yade/+question/664343
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
In the above example one facet is created with fixed=False, the other with
fixed=True.
Consistently one is accelerated by gravity and the other is not.
What is maybe not clear for you is that only the nodes are really
inertial. The so-called connections are not moving independently of the
nodes, nor are the facets, so they are always non-dynamic objetcs.
Consistently (the first facet, the moving one, is composed of the first
seven elements):
ade [6]: for b in O.bodies:
print b.shape.__class__, b.state.blockedDOFs
...:
<class 'yade.wrapper.GridNode'>
<class 'yade.wrapper.GridNode'>
<class 'yade.wrapper.GridNode'>
<class 'yade.wrapper.GridConnection'> xyzXYZ
<class 'yade.wrapper.GridConnection'> xyzXYZ
<class 'yade.wrapper.GridConnection'> xyzXYZ
<class 'yade.wrapper.PFacet'> xyzXYZ
<class 'yade.wrapper.GridNode'> xyzXYZ
<class 'yade.wrapper.GridNode'> xyzXYZ
<class 'yade.wrapper.GridNode'> xyzXYZ
<class 'yade.wrapper.GridConnection'> xyzXYZ
<class 'yade.wrapper.GridConnection'> xyzXYZ
<class 'yade.wrapper.GridConnection'> xyzXYZ
<class 'yade.wrapper.PFacet'> xyzXYZ
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