Internal Airflow in grasshopper

How can i check/model airflow inside a structure?? what plugin or definition would help achieve so? I have had issues with butterfly, anyone have a working definition for that, or other solution?

Best wishes,

Might this work?

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Oh that’s awesome, I did not know about that! Thank you so much Scott for directing me to that, great help! :slight_smile:

hey! can this be used in conjunction with grasshopper? I want to do a genetic optimization based on airflow

Don’t think they’ve done a gh plugin. But you can use butterfly: