UDF and PDF species mass fractions -- CFD Online Discussion Forums

July 18, 2003, 10:04	UDF and PDF species mass fractions	#1
Ale Guest Posts: n/a	Hi to all! I would like to access in a UDF the values of species mass fractions, to compute the molecular viscosity and thermal conductivity of the mixture (I'm not solving the species transport equations, since I'm using the PDF approach, so that the species are evaluated by a look-up table computed by PREPDF). How can I do that? I tried to use C_YI(c,t,i), but I received an ACCESS VIOLATION error message. Any clue? Thanks a lot in advance!

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