The physical dimensions of this field function (read-only).

The reference density, which can be specified with a text entry.

The reference pressure, which can be specified with a text entry.

The reference velocity, which can be specified with a text entry.

The type of field function: scalar or vector (read-only).

The name of this field function (read-only). Use this property in the definition of other field function definitions, not the node name. Use this property to remind you of the actual field function if you have renamed the node in the tree.