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Create a passive Scalar

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Old   June 9, 2022, 18:31
Default Create a passive Scalar
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Marietta Gensior
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Hello,
I am new and I need a little (or big ) help with my passive scalar in StarCCM+.
I would like to show the mass concentration of the gas Radon222 in a room. I actually have a Radon Source which is declared as a 'Wall'. It is because the radon is coming out of the water but I only simulate the gas phase.
I created a passive Scalar in the Physics Conditions and calculated the Schmidt Number of Radon.
Then I tried to creat a FieldFunction, but actually I don't know what I should write for the syntax...

I would be so happy if anyone could help me with that

Thank you
Metti
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