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Message #05355
Re: [Question #180889]: velocity==NaN! & fixed=False
Question #180889 on Yade changed:
https://answers.launchpad.net/yade/+question/180889
Anton Gladky proposed the following answer:
> O.bodies[-1]
> O.bodies[-2]
As far as I know, indexes cannot be negative.
idx = O.bodies.append(utils.geom.facetBox( center=(5,5,5),
extents=(2.0,2.0,2.0)
,fixed=False,wire=False,wallMask=31,material=-1))
in this case idx will have indexes of newly created facets.
Anyway, giving a mass to facets will not have an effect.
Facets will not move, for example, from gravity or interactions with
another bodies.
Anton
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