Need help in postprocessing a combustion
 

Hi, I´m dealing with an IC engine and basically I need to know if all the mixture is burnt or how is the percentage of burnt mixture. When I see the Fluent´s documentation (chapter 16, section 2.1) I can see a variable "c", the progress variable. 0 means unburnt and 1 means totally burnt. Where can I found that value for postprocessing? I hope I was clear! Thank you in advance.

ALSO!
 

If you can´t access that value from the Fluent´s GUI, do you know the name of the variable in order to access it from an UDF?

Thank you!