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hi, i want to do a smoke simulation in an underground car park and i assigned all materials as air initially, after assigning the rest of the materials, i could only assigned not even half of the jet fans. may i know why pls. thanks!!
Are you using the fan material for the jet fans? If so, you will need to have the same fluid material on either side of the fan - in other words, if your fluid is air, then the meshed parts on the inlet and outlet of the fan material must both be set to air.
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