March 9, 2021 at 9:03 pm
Subscriber
Perhaps you have a look into DEFINE_DIFFUSIVITY Macro and check if it is helpful for your case.https://forum.ansys.com/discussion/comment/109996#Comment_109996
If I use UDS diffusivity having unit to be kg/m-s in species transport model and add second term in DEFINE_DIFFUSIVITY macro and insert it in defined per uds as shown belown

