An analysis containing internal fans produces this error:
Error: Fan BC regions cannot touch
Parts with different Internal Fan materials cannot contact one another. Two or more internal fans cannot be in contact axially (sharing the surface normal to the flow) or tangentially (touching on the perimeter surface).
Within the analysis model, change one of the internal fans to a different type of material (fluid, solid, etc.).
An alternative is to the return to the CAD system and reposition the fans so that they do not directly contact one another.
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