Learning Forum

[EL_G]

Hello;

I am simulating a Species Transport model on FLUENT-2021R1 and need to delete Air which is amongst the fluid. Air is there as a default but I don't need it. When want to delete it from the Material list, the following error comes up on the Console.

I'm wondering how I can deactivate the Air involved with fff_surface.

Thanks in advance.

[Sardar]

Check your boundary conditions and the tabs on top part of their windows. One or more of your boundaries must be using the material you want to delete.

[Rob]

Close, check the Cell Zones for material. You may have missed one: start with fff_surface. Also check the mixture template to confirm you didn't add air into it.

[EL_G]

Thanks, Sardar and Rob for your notes.
In my model, although Air is amongst the fluid materials, it is not included in the air-mixture. I checked all the zones and surfaces, but with no success. Is there any way to make a report to see where Air is being involved?
Thanks in advance for any advice.