I saw the file you sent for me. Apparently, there is no match between solid body and facet body in Trailing Edge. which is according to the following figure:
Unfortunately, I don’t understand your explanation about how to do it. Could you please send me the video of doing it in your Google Drive?
I took the solid wing that you sent for me to Design Modeler.There, I drew the air domain and tried to subtract the wing from air domain, but I encountered an error. This time, I drew the air domain in SpaceClaim and using the combine tool, I could not subtract the wing from the air domain.