15.2.6 Solution Procedures for Wall Surface Reactions

As in all CFD simulations, your surface reaction modeling effort may be more successful if you start with a simple problem description, adding complexity as the solution proceeds. For wall surface reactions, you can follow the same guidelines presented for fluid-phase reactions in Section  15.1.7.

In addition, if you are modeling the heat release due to surface reactions and you are having convergence trouble, you should try temporarily turning off the Heat of Surface Reactions and Mass Deposition Source options in the Species Model dialog box.

If you are modeling surface site species, good estimates of the Initial Site Coverage will aid convergence.