CFD (computational fluid dynamics) models are only as good as the highly skilled analysts who use them. They spend a lot of time "verifying the model". This is analystspeak for adjusting the inputs until the model gives correct answers. The verification needs to be done on a model that is similar to the problem under study and where the solution is well known. Wind tunnels will not go away any time soon.
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06 Canyon: The vacuum gauge plus wheel covers helped increase summer 2015 mileage to 38.5 MPG, while summer 2016 mileage was 38.6 MPG without the wheel covers. Drove 33,021 miles 2016-2018 at 35.00 MPG.
22 Maverick: Summer 2022 burned 62.74 gallons in 3145.1 miles for 50.1 MPG. Winter 2023-2024 - 2416.7 miles, 58.66 gallons for 41 MPG.
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