• Remove the mesh from the display before you set the boundary
• Click the SPECIFY MODEL DISPLAY ATTRIBUTES command button at the bottom of the Graphics/Windows Control toolpad
• Select off from the option menu to the right of Mesh near the bottom of the form
• Click the Apply

 
• Set boundary types for the burner

               ZONE    ->        SPECIFY BOUNDARY TYPES
 

• Define two velocity inlets
• Slect VELOCITY_INLET in the Type option menu
• Check that Faces is selected as the Entity
• Click the face marked A and click Apply
• Check that VELOCITY_INLET is still selected in the Type option menu
• Select the face marked B and click Apply
• Define a pressure outlet
• Change the Type to PRESSURE_OUTLET by selecting it in the option menu below Type
• Select the faces marked C and click Apply
• Define symmetry boudary types for the two faces normal to the x axis
• Enter the name symmetryx in the Name text entry box
• Change the Type to SYMMETRY
• Select the two faces on the left side of the geometry
• Accept the selection
• Define symmetry boundary types for the two faces normal to the y axis
• Enter the name symmetryy in the Name text entry box
• Check that SYMMETRY is still selected in the Type option menu
• Select the two faces on the bottom of the geometry
• Accept the selection