09 September 2014 1 559 Report

In my geometry there are two faces which lies on each other with the same dimension. One extruded normal and other in reverse direction.

The problem is that when I named these faces as upper and lower, it shows an error as overlapping is not allowed in meshing and when I create these faces without merging the faces than I am able to name them. But these are not merge faces so in fluent when I applied interface to these faces, it shows an " error interference zone is not assigned" .

How can I solve this?

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