Feflow modules for Check dams

I would like to know. How to create the Check dams in FEFLOW mesh? Is there any separate module ?

It depends on what you want to simulate. If you are interested in coupling surface water hydraulics including hydraulic structures you may couple MIKE11 / MIKE 21 with FEFLOW. If you are solely interested in solving governing flow equations in porous media (e.g. Darcy, Richard), then FEFLOW can be considered as a standalone tool.