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Should I use inner-volumes for MicroFlo simulations?

The geometry that defines the computational domain (region of interest) is taken from the external wall surface. It had to be done this way as when you connect adjacent zones together to make CFD geometry the zones have to share a boundary.

The thermal boundary set up though is the internal wall temperature taken from the Vista results.

Considering this we would generally recommend not using inner-volumes for CFD work in MicroFlo.