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[Question #288118]: What does the list returned by getConstrictionsFull() stands for in FlowEngine() ?

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Antoine Wautier <question288118@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 08 Mar 2016 17:47:00 -0000
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New question #288118 on Yade:
https://answers.launchpad.net/yade/+question/288118

Hi,

I am using the method getConstrictionsFull() in  FlowEngine(). I though I understood the format {{cell1,cell2}{rad,nx,ny,nz}} returned by this method, but apparently not ...

I though that {cell1,cell2} were the two ids of adjacent tetrahedra of the triangulation and rad the radius of the constriction defined as the maximum inscribed circle on the common face of the two adjacent tetrahedra, and nx,ny,nz the three components of the unit vector normal to the adjacent facet.

However I figured out that cell1 and cell2 were hardly ever adjacent if you considered the vertices returned by getVertices method. I also noticed that these ids are numbered from 1 to nCells() and not form 0 to nCells()-1 as I would have expected in python ... Moreover (nx,ny,nz) is not a unit vector ...

Is there any documentation about this method more detailed than the one given in YADE documentation?

Thank you very much in advance for your help

Antoine


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