Thanks for your reply.

I am studying indoor thermal comfort in a naturally ventilated room.

According to the standard, using PMV/PPD is suitable for evaluating the thermal environment. In my study, I am also considering the local draught and vertical air temperature differences.

For these, I don’t know how to calculate PMV/PPD in fluent. I have seen the uses of UDF files for that. Since I can’t write the code and don’t know where to use this UDF in the boundary conditions, I am looking for extensions.

Please help me. I badly need your suggestion.

Thanks in advance