[mcc007]

Hello everybody,

I'd like to use fluent to solve Poisson equation. The Poisson equation is attached. But the simulation result is much higher than expected. I am not sure if I need to add some other terms (e.g., velocity term, transient term). in the equation. Or my code is wrong. Here is part of my code:

DEFINE_SOURCE(potential,c,t,dS,eqn)
{
real source;
source=F*(-C_UDSI(c,t,2)+C_UDSI(c,t,3));
dS[eqn]=0.0;
return source;
}

Thanks a lot