Different case files activate ALE Eq.
 

Hi, everybody. In the unsteady case, if coordinates (x,y,z) of nodes are changed at every time step, then activate arbitary lagrange equation (ALE) is activated? The fluent has dynamic zone which automatically is changed by user defined grid motion, then it activates ALE. For conservation of geometry law, it is important. However, without defining dynamic zone, just changing the coordinates of case files, I wonder if fluent calculate the effect of grid movement.

Thank you