Density-based v/s Pressure based
I am new to CFD, and of course to Ansys Fluent. I am trying to simulate room ventilation due to buoyancy. Experimental results show that due to electronics gadgets present in a room the temperature near the room ground surface increases(assume uniform flux from ground surface). So there will be a density variation and circulation starts. If there is a window and door arrangement, then there will be an air flow across the room. To simulate this do i need to select Pressure-based solver or density based solver. ?? Please give suggestions.
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