Aggressiveness Factor for Surface Reaction Analyses

What is the Aggressiveness Factor and how to use it for surface reaction analyses?

Ansys Fluent has the ability to speed up the calculation of a surface reaction analysis. In the Species Model panel, the Aggressiveness Factor is the new input item added. This can be a number between 0 and 1. 0 is for a slow, but stable calculation. Whereas 1 is for a quick, but unstable calculation

For more details, refer to this document.