Parametric Study
 

I am simulating an external flow. I wanted to do a parametric study of the Mesh size and inflation size V/S Drag . I know we can do parametric analysis of variables from Fluent but is it possible to do even from meshing or we have to do hard way of individual simulation for each values?

You can make a new geometry by just changing a few numbers in Gambit Journal file that you have made the first time.
Fluent has also a Journal file for automizing tasks.

@msaeedsadeghi I am using workbench not Gambit.

Can someone help me on this?