CFD Simulations - What's the Biggest Problem?

The name of the game though is to allow aerodynamicists to draw parts CAD. So obviously we can do that with a physical wind tunnel, which is how Formula One teams have been doing it for decades. And then more recently as technology is caught up, we can doThat with simulations and which are called computational fluid dynamics simulations. The goals really were to get something that was a bit more reliable because you obviously, you change the line in bash and you've got no real accountability for that change.