wall/gran/local command

Submitted by mhk on Thu, 12/12/2013 - 06:15

I was wondering if anyone can explain more about the "history", "periodicity flag" and "triangle id" in compute wall/gran/local command and also how mesh id and triangle id are different from each other. I also need to know if there are 17 output values(in total) for this command or, if there are more than one value for history. I am using "pair_style gran/hertz/history rolling_friction cdt".
any answer is appreciated.