[lfgmarc]

Hi, I try to write a piece of code to calculate the difference between two successive time steps (i.e, rho^n-rho^(n-1)). My question is how I can access to a field value for each grid point at any successive time step from temporal directories?.

Thanks in advance for any advice.

F G.

[duongquaphim]

This is probably what you are looking for http://www.cfd-online.com/Forums/ope...time-step.html

Cheers, D