- Select Mesh->Element type->Quadrilateral . Select surfaces number 24 and 12 and press ESC .
- Select Mesh->Generate mesh .
- A window comes up asking whether the previous mesh should be eliminated. Click Yes .
- Another window appears in which the desired element size can be entered. Leave the default value unaltered and click OK . The result will be the mesh illustrated, where it can be appreciated the quadrilateral mesh of both surfaces.