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WARNING 'Vertex' values for Variable 'xxx' do not exist |
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#1 |
New Member
Gianmario Ledda
Join Date: Oct 2018
Posts: 6
Rep Power: 7 ![]() |
Dear all,
I'm working with Fluent and I need to create the expression to use the custom variable (ex.xxx). But when I define my variable the following an error message appear: "WARNING 'Vertex' values for Variable 'xxx' do not exist on Geometry /DATA READER/CASE:Case case_file_name/BOUNDARY:desired-surface. ". this error is due to the following expression: Temperature^4-298.15^4. How I can fix it? Thanks ![]() |
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#2 |
New Member
MLutfiFauzi
Join Date: Jul 2019
Posts: 4
Rep Power: 7 ![]() |
Try to write Temperature - 10 or anyting else and the same error will come. I encouter same problem with you.
It just will fine if Temperature*2 or anyting except + and -. |
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#3 |
New Member
MLutfiFauzi
Join Date: Jul 2019
Posts: 4
Rep Power: 7 ![]() |
Did you have solve your problem? I'm still confuse
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#4 |
New Member
Anonymous
Join Date: May 2020
Posts: 1
Rep Power: 0 ![]() |
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#5 |
New Member
Kennie
Join Date: Jul 2022
Posts: 3
Rep Power: 4 ![]() |
Hello there,
Might be a little late but in case someone needs this : I had the same issue with a user-defined variable on CFD-Post and the reason I had that warning is because in a specific area of my geometry, the variable went to an infinite value. The denominator of the variable was 1-Z (Z being another variable, the mixture fraction, which is between 0 and 1) and in order to not reach infinity, I simply wrote 1.00001-Z at the denominator instead in my user defined-variable. That solved the problem very well without making a significant difference to my results. Cheers! |
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Tags |
fluent, post procesing, variable definition |
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