Reply To: Flow Through an Object Inside Enclosure – ANSYS Fluent

[Rob]

It's the "Combine" tool. It'll be covered in the tutorials under Help on the software. You'll need to check how it handles multiple objects, I think it's a case of clicking each one but I tend to focus more on the solver side. 

How big a domain are you looking at? Ie is the mussel pumping sufficient to do much?