I receive "temperature limited to ... " after I Compile my UDF and start computing
Hello everyone,
I'm trying to specify the species mass fractions at the combustor mass flow inlet using udf but when I start the computing and after some iterations this message shows up in the console: temperature limited to 5.000000e+03 in 5325 cells on zone 2 in domain 1. and if I less the fluent computing the temperature decrease to reach 3000 k, its fixed at this value and won't decrease more as I want to be 1700k. I don’t face this problem when I set constant inlet BC. Does anybody have any idea what could be the problem? |
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this is my udf:
#include "udf.h" #include "mem.h" #define Y_CH4_in 0.032 #define Y_O2_in 0.225 DEFINE_PROFILE(mass_fraction, t, i) { face_t f; begin_f_loop(f, t) { F_CENTROID(x, f, t); F_PROFILE(f, t, i) = Y_CH4_in; F_PROFILE(f, t, i) = Y_O2_in; } end_f_loop(f, t) } |
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