fluent 空氣齡為什么在出口不是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;
