How to combine two separate meshes in Ansys Fluent

The process to bring two separate meshes into Fluent:

1. Open Fluent in Solver Mode

2. File>Read>Mesh (select "mesh1.msh")

3. File>Write>Case (save as "mesh1.cas.gz")

4. File>Read>Mesh ( a new panel will open, click 1 & 2)

   

5. It will open a new panel, select "mesh2.msh" and hit OK.

6. Now let's append "mesh1.cas.gz" file by

   

7. Select Append Case Files and locate "mesh1.cas.gz"

8. Fluent will add the new mesh/zones

9. We need to set mesh interfaces between two meshes.  Click 1 & 2 like below:

   

10. This will open a new panel. Select all the surfaces and click create

    1. 
       

       It should create interfaces (this may take a long time if many interfaces are needed)