I have been trying out the Floworks tutorial in the 2008 Co2car curriculum in preparation of getting my grade 9 students tocheck the aerodynamics of the cars they will be designing andbuilding shortly.

I have been following the instructions and I keep getting thiserror:

"There is no fluid volume in the project. Please check geometry orboundary conditions."

When I try to run the simulation. Is there anything that I may havemissed?
Any suggestion? I have attached the files that I have been using.
SolidworksFlow Simulation