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[FAQ]

For getting time averaged values of UDMs (User Defined Memories) or UDSs (User Defined Scalars) do the following:
1)Define one or more UDMs
2)Create a Custom Field Function with CFF = UDM
3)Activate Fluent transient
4)In the solution panel activate “Data Sampling for Time Statistics” and in the Sampling Options select the CFF.
After the run the time averaged CFF can be postprocessed as unsteady statistics in the Postprocessing menus. For time averaging a UDS an additional UDF has to be written. In the UDF, the UDS has to be transferred to an UDM. Please refer to the Fluent Customization Manual for further information.