Assign Air Material

Click Materials from the Setup tab:

materials icon

Select the outer air part.

select outer air part

Hide the outer air part and the casing.

hide outer casing

Select the internal air part.

select internal part

To ensure selection of the correct parts, expand the Material and Unassigned branches in the Design Study Bar. Verify that the Volume part, which represents the internal air part, and the CFDCreatedVolume parts are highlighted.

Open the Materials quick edit dialog in ONE of the following ways:

edit toolbar

edit materials

On the Material quick edit dialog, Type = Fluid

Name = Air

material name

To allow the properties to vary with temperature, click Set... on the Environment line. On the Material Environment dialog, select Variable, and click OK.

material environment

Click Apply.

For more about Environment-driven materials...

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