Change Equation Total heat flux ?
 

Hi
i want change Equation Total heat flux at Report >> Flux .
Old >> Q = h (T-Tf) + Qrad
suppose New >> P = 100 - 300 >> Q = 190*P +89*D + 78*L
P = 300 - 500 >> Q = 89890*P
Change at ? or use udf function ?

Thank you all