Keyur Kanade
Ansys Employee
You can add it to cell zone. Please have a look at following. nArrayAlso please search through forum. You can find some posts related to momentum source like following. n

Hi, You can as this as a momentum source term. Note - this is going to have to be a volumetric term. Please see this Fluent User Guide link below for additional details., you don't need a UDF. Please see if you are able to use Ansys Fluent Expressions for this. you.Karthik

Regards,nKeyurnHow to access Ansys Online Help DocumentnHow to show full resolution imagenGuidelines on the Student CommunitynHow to use Google to search within Ansys Student Communitynn