Rob
Ansys Employee

Which may be calculated from the table. If it's not in the documentation I can't do much other than suggest checking the header files and retain all data (Section 3.2.3.7  https://ansyshelp.ansys.com/account/Secured?returnurl=/Views/Secured/corp/v222/en/flu_udf/flu_udf_DataAccessMacros.html  )