June 27, 2023 at 8:10 am
Rob
Ansys Employee

I'm guessing you've read an older copy of the documentation and then compiled in the current release. So, the argument would be to use the documentation in the solver Help....  More usefully, https://ansyshelp.ansys.com/account/Secured?returnurl=/Views/Secured/corp/v231/en/flu_udf/flu_udf_DPMDEFINE.html%23flu_udf_sec_define_dpm_property