Geometry Debug error

Hi,

Is it normal that “openmc -g” command exit with an ERROR: Overlapping cells detected: 208, 209 on universe 0.
I would like to notice that without debug option the calculation terminates successfully and also plots of geometry do not show any overlapping cells.

What is wrong?

Tarek

1 Like

It is indeed possible to have overlapping cells and while a simulation and plotting terminates successfully. The overlapping cells error means that there is ambiguity at a certain point in space, i.e. that point is found to be in two separate cells. By default, the first one that is found to contain the point will be the one plotted/used while tracking.

Best,
Paul