Formula 1 revealed its next-generation racecar that will be used by teams in the upcoming 2022 season. The purpose of the new, more aerodynamic vehicle design is to create more opportunities for wheel-to-wheel racing and therefore, more action on the track.
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Formula 1 relied heavily on Computational Fluid Dynamics (CFD) – a virtual wind tunnel, that allowed Formula 1 to explore thousands of possible concepts without having to manufacture a single part. These CFD simulations are extremely computationally intensive and thus they turned to Amazon Web Services (AWS) to solve their supercomputer needs, saving Formula 1 both time and money.
Downforce is a crucial element to Formula 1 racing as it aids traction to increase cornering speeds, and results in drivers often pulling more than 5g in corners (similar to a fighter aircraft pilot). Current Formula 1 cars, however, lose around half of their downforce when they are closely following another car, which makes overtaking difficult. To address this, Formula 1 spent more than two years redesigning the car to allow the following car to maintain as much of its downforce as possible. To achieve this, the new racecar features wheel wake control devices, a brand-new bodywork design with a new front wing shape, simplified suspension, a new rear-end layout, and underfloor tunnels. In addition, they’ll run on 18-inch wheels with low-profile tyres for the first time.
The CFD project used over 1,400 AWS compute cores per simulation (a typical laptop has 2-4 computer cores) to run detailed simulations of over 550 million data points that model the impact of one car’s aerodynamic wake on another. Using the unmatched scalability of AWS, Formula 1 was able to reduce the average time to run simulations by 80%—from 60 hours down to 12 hours.