Foam cases should run without FOAMOPTS available. That means we need to default the mobility model to a valid value. This also adds enum value 'FUNC' and handles setting the default model if only transport phase is unspecified.
Foam cases should run without FOAMOPTS available. That means we need to default the mobility model to a valid value. This also adds enum value 'FUNC' and handles setting the default model if only transport phase is unspecified.