I am trying to simulate the consequences of wind impact on a building with facade integrated ventilation in the wall. The ventilation system has a low pressure drop and is sensitive to wind. I will try to develop an exterior screen that directs the wind away f![1|690x388] rom the ventilaiton unit,…

Hi Sebastian, thank you for using the forum! As you are not using the walls of the building as the external domain of your simulation, it is not possible to assign a velocity inlet on them, as it would normally happen for a typical HVAC simulation. Instead, you have this gap that represents the ven…

I have been considering this feature but I assumed it is constant. In this case, there is 10m/s against the exhaust. The exhaust basically blows at 0.5m / s, if the ventilation system not was working up against a back pressure. Do the function takes into account the back pressure, ie the external …

Hi Sebastian, The momentum source will add the velocity that you set for this area to the already moving airflow, and this setting won’t take into consideration the rest of the boundary conditions :slight_smile:

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Wind impacts on facade with mechanical ventilation, how do I set up my simulation

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