[stephane]

Hi,

I'm modeling the ventilation of a room with Fluent. At the inlet, I would like to use a velocity inlet BC. I have several outlets. I would like to impose the mass flow at these outlets. For instance, let's say I have an inlet with a mass flow equal to 1 kg/s and 2 outlets where the mass flow are equal to respectively 0.8 kg/s and 0.2 kg/s. Which BC should I use at the outlets? Can I use some velocity inlet BC at the outlets to impose the flowrate? Or should I use some pressure outlet boundaries with the target mass flow rate option? I could also use an outflow BC and adjust the flow rate weighting. What is the best approach.
Thanks in advance,
Stéphane