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[Klaus Thoeni <question252191@xxxxxxxxxxxxxxxxxxxxx>]

Question #252191 on Yade changed:
https://answers.launchpad.net/yade/+question/252191

Klaus Thoeni proposed the following answer:
Hi Colin,

you can use various VTKRecorder [1] at once in your engines, e.g.:

O.engines=[
...
VTKRecorder(iterPeriod=100,initRun=True,nDo=1,mask=,fileName='facets1-',recorders=['materialId','facets']), # static facets only exported ones (nDo=1)
VTKRecorder(iterPeriod=100,initRun=True,maks=,fileName='facets2-',recorders=['materialId','facets']), # dynamic facets
VTKRecorder(iterPeriod=100,initRun=True,fileName='spheres-',recorders=['materialId','spheres','velocity']), # spheres
]

Set different groupMask four your meshes when you import them.
Attention, the groupMask is used as Bitmask for determining interactions
so you need to set the right number. I think default is 1, i.e. 0001. In
order to have contact between you spheres and you facets you have to
define somethink like groupMaks=3 (0011) for static facets and
groupMaks=5 (0101) for dynamic facets. I didn't try but it should work.

An other option is to define different materials (they can have the same
properties) and filter the elements in paraview according to their
materialId (Edit->Find Data). Make shure you export materialId with the
VTKRecorder.

HTH Klaus

[1] https://yade-
dem.org/doc/yade.wrapper.html?highlight=vtkrecorder#yade.wrapper.VTKRecorder

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