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Converting air space to solid material

Question asked by Chris Disalvatore on May 14, 2020
Latest reply on May 14, 2020 by Chris Disalvatore

I am running flow simulation, and needing to treat an internal airspace as a solid material or a vacuum. The space is very complex, including circuit boards, and many internal features. Does there exist a way in flow simulation to accomplish this without generating a complex solid model to fill the space?