This is cool and I like it but not sure how useful it is
Note from the "more info" page of Flow Illustrator
Quote:
Accuracy
Flow Illustrator is optimised for speed and robusteness, with accuracy being traded in. Treat the movies as artist impressions. The artist is you.
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I'm having fun with it - but also having trouble knowing what to trust
The kamm backs and shapes that have turbulence waving way above the roof line are hard to believe. I have not seen smoke, snow or other indicators behave like this in the real world, at least for smooth shapes.
using for an S10 and it is not replicating real life
In the real world there is a strong rolling action behind the cab (yes I have a bed cover)
it dwarfs all other activity in that region from 30 mph up to highway speeds
and my stream lines off the cab are reasonably stable pseudo boat tail shaped
but that sure is not what the Flow Illustrator shows
I will continue to play with the inputs and see if i can get closer to the real world