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-   -   UDM Access Issue (https://www.cfd-online.com/Forums/fluent-udf/226150-udm-access-issue.html)

buckngnr11 April 18, 2020 22:01

UDM Access Issue
 
Question related to a previous thread. In my UDF, I set three UDM values for the x y and z components of the face normals on the mesh. After running the executable, I can plot each UDM on the boundaries and they all work and display as expected. Now, when I add a line of code in my UDF calling this UDM and run the executable again, I get a segmentation error. Like I said the UDM is created fine, so I'm not sure why calling it into a new variable would be an issue. I'm also running in parallel, but I'm using the correct RP functions. Any ideas?

vinerm April 20, 2020 03:31

Udm
 
Try plotting the values for the UDMs. Secondly, as suggested earlier, try averaging using some dummy number for facecount.


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