udf help plzzzzzzzzzzz
 

hi all

any one plz help me to understand the udf in the mixture model that is available in the fluent tutorial.

1.what are the equations added in udf 2.ds[eqn]= ................. means what.i mean that where the value used(governing equation)?. 3.where is used these values(m_dot_l,m_dot_g,m_dot)

thanks in advance