fluent 空气龄为什么在出口不是0? 20
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#include "udf.h" #include "prop.h" DEFINE_DIFFUSIVITY(mean_age_diff, c, t, i) { return C_R(c,t)*2.88e-05+C_MU_EFF(c,t)/0.7; } DEFINE_UDS_FLUX(user_flux,f,t,eqn) { return F_FLUX(f,t); } DEFINE_SOURCE(mean_age_source, c, t, dS, eqn) { real source; dS[eqn]=0; source=C_R(c,t); return source;