Airflow on the Dimpled Rotating Cylinder CFD Simulation, ANSYS Fluent Training

The problem is going to simulate airflow in a rectangular channel by ANSYS Fluent software. A cylindrical object is placed in the channel. The airflow enters the rectangular channel at a horizontal velocity of m / s, and it collides with the cylindrical body. The cylindrical body rotates at an angular velocity of 20 radians per second (rad/s) around the central axis; thus, the moving wall must be defined. Therefore, the fluid simulation area is divided into two parts, which include the rotating area (having a cylinder with a constant angular velocity) and the area of the fluid (the inner space of the rectangular channel other than the cylinder). Hence, by creating a cylindrical wall in the form of an interface (a common surface between two areas that allows fluid to flow through its boundary), a special flow area in the form of a hollow cylinder around the wall creates a rotating cylinder; thus, the Frame Motion method