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[Question #290174]: What is difference between: L3Geom; L6Geom and ScGeom

 

New question #290174 on Yade:
https://answers.launchpad.net/yade/+question/290174

Dear All,

I am a newbie in Yade. Please give me more detail about the difference between L3Geom; L6Geom and ScGeom .
Please give me some examples and reasons that in which case, Ig2_Sphere_Sphere_L3Geom or Ig2_Sphere_Sphere_ScGeom or Ig2_Sphere_Sphere_ScGeom6D. It seems that the Ig2_Sphere_Sphere_ScGeom6D should be use because at a contact, there is 6 DOF.

The second question is regarding the clump. I made a clump by combining 2 sphere particles  for example location and radius of particle is ((0,0,0),1) and (0.5, 0,0),1) and I thought that somehow, clumps may reduce the effect of free rotation, but it seemed to rotate as sphere particles, specially in X axis.

Please try to answer as soon as possible.
Thank you very much

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