[haiteng]

I have two questions when checking my energy balance to judge the solution convergence in ANSYS Fluent, as follows:

1. What is the exact criteria to ensure that energy balance is satisfied for solution convergence? As one previous post in this forum says, "The net flux imbalance (shown in the GUI as Net Results) should be less than 1% of the smallest flux through the domain boundary." But in my case, the net flux imbalance is less than 1% of the total positive flux through all the domain boundaries, and is far larger than 1% of the smallest flux through the domain boundary. Is this acceptable?

2. How does ANSYS Fluent compute the total heat transfer rate through a domain boundary? I used this option when checking the energy balance, but am not sure how it work.

Thanks!