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Ansys Learning Forum Forums Discuss Simulation Fluids Mesh independence study using a transient DPM model for natural ventilation Reply To: Mesh independence study using a transient DPM model for natural ventilation

Rob
Forum Moderator

You need to look up what the DPM Concentration actually means: it's not a good measure. What may be a better measure is how much mass enters and then leaves the domain, and steady should be sufficient depending on the flow field. 

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