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Source term UDF overall concentration

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Old   June 28, 2022, 05:34
Default Source term UDF overall concentration
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Hello all,

I would appreciate if some one can help me with this:

I want to claculate the overal concentration of an species in my source term UDF so that I can write a condition based on that.

I have 4 species and a multi phase (gas-liquid) system.

C_YI(c,t, 1) gives me the mass fraction of my id=1 species. But how can I calculate the overall concentration of this species in the whole liquid domain (or the region source term is applied)?

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fluent - udf, multiphase flow, species mass fraction, species source, udf

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