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  • Wind Tunnel


  • CFD


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Dallara strives for maximum efficiency by analyzing every surface in extreme detail. We want to simultaneously glue our cars to the asphalt and stroke the wind.

In order to achieve this goal, a quarter of our staff is constantly engaged in aerodynamic research and development. We have a rapid prototyping department that uses numerical aerodynamics and continuous hours of wind tunnel research.

The History of Aerodynamics at Dallara

About 50% of a racecar’s performance can be attributed to aerodynamics, excluding the driving factor. Giampaolo Dallara understood this fact before many others. He was ahead of his time in 1984 when he created the first wind tunnel in Italy with a moving floor, a fundamental tool for racecars. Keeping up with the latest technology, he created the second tunnel in 1995.  This new tunnel allowed models to be tested at a 40% scale, rather than the 25% scale of the older tunnel.The third and most advanced tunnel, which could test models up to a 60% scale with a test speed of over 200  km/h, was inaugurated in 2008.

One of Dallara’s most revolutionary achievements within the field of aerodynamics was the 1993 Formula 3. Its aerodynamic thrust and excellent mechanical solutions enabled a great leap in terms of market share, rising from 25% in 1993 to almost 100% in 1994.

The Aerodynamics of a Racing Car

The aerodynamic development of a car is parallel to the design process. Aerodynamics suggests the shapes, the mechanics and the layout to verify a design’s feasibility and to suggest modifications to make until the best compromise is reached.

In order to make a racecar aerodynamic, it is essential to go beyond just drawing surfaces. The aerodynamicists at Dallara do not just analyze the results of wind tunnel tests; they must also match the information obtained from CFD simulation (Computational Fluid Dynamics) with the experimental data obtained in the testing room. These tests are guaranteed by the company’s many years of experience.

When a new idea is developed or when something must be verified quickly, rapid prototyping comes to the rescue. This process allows the required modification to be carried out in real time.

Dallara is also able to carry out reverse-engineering on the impromptu changes performed manually by the model makers. With the use of laser scanning, it is possible to gather points that allow engineers to reconstruct a surface that is ready to be produced, analyzed by CFD, or further modified.

The Aerodynamics of a Supercar

When it comes to consultancy for the aerodynamic development of a high-performance road car, we start with an initial study on the style, which must be consistent with the client’s brand and the target market. We then focus on the performance and comfort of the vehicle, as defined by technical specifications. Dallara specialists have the necessary experience to make this process of aerodynamic-style interaction efficient and effective.

Dallara can offer customized aerodynamic development packages for tight budgets. We can succeed under time and cost constraints by using both the wind tunnel and CFD, resulting in the best testing and production solutions.

We have recently improved our methods of thermal analysis, acoustic analysis, and aerodynamic comfort, allowing for extremely reliable assessments.

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