CFD simulation failed

Hi all,

I have tried several times to simulate the outdoor airflow for about 50 buildings by following the example file, but the simulation failed every time. Is there any problem with my rhino model or just my computer could not afford that kind of work?

Thanks,
HC

https://drive.google.com/drive/folders/1oO077ZtvWigHs0FYy_JU87G6cTQ_OVV5?usp=sharing
Outdoor_airflow.gh (437.4 KB)