Marussia F1 Upgrades to Wind Tunnels?

image of Marussia F1

Courtesy of Wikipedia – Formula One 2012 Rd.2 Malaysian GP: Charles Pic (Marussia) during the first practice session on Friday. – 23 March 2012, Sepang International Circuit, Selangor, Malaysia

A few months ago, my Google alerts pointed me to an article about the Marussia F1 Team discussing its recent major upgrade. This was just enough to tease me; I decided to tuck the article away to read at a later date. But life got busy, and I’m only now getting back to this article. And, as luck would have it, the F1 season is over. Yet I still wanted to read that article because it stuck in my mind. I still wondered, “What is this major upgrade?”

It was when I read the first sentence — “The Marussia team is hoping to take a step forward for its home race at Silverstone as it introduces what it describes as the first major product of its wind tunnel program.” —  that I fell out of my chair! I was shocked because the Marussia Formula One team designed its racing car using CFD. So what is this new idea? CFD is not good enough for designing an F1 car? It is sure, according to Red Bull Racing. Does CFD provide bad results for the Marusia team? Definitely not! These guys are pros. So why would using a wind tunnel be called a major upgrade?

I found the answer in an article from The Engineer. As I have said before, CFD and wind tunnel testing do not compete against each other; they actually complement one another. But the Marusia team faced the problem of a limited budget. According to trade publication’s article, the cost of CFD is one-sixth that of wind tunnel testing. It makes perfect sense that Marussia first focused on CFD; now that the team has a larger budget, it can complement its simulation with wind tunnel testing.

At first I wondered if this article was going to put everything I thought into question. In retrospect, it actually re-enforces what I’ve always thought:

  1. Simulation-Driven Product Development is more cost effective than physical prototype testing and gives results people can trust. Using simulation, hundreds of designs can be tested with the click of a button.
  2. Testing can complement simulation. Once the best design is found using simulation, testing can be used to validate simulation results: crossing the Ts and dotting the Is.

Though I’m clearly a strong proponent of Simulation-Driven Product Development, I also think that cross-checking the design is, in the end, always a good thing. I am sure the Marussia team prefers to validate its design in a wind tunnel before a race, rather than using the race itself as its testing gorund! Marussia’s F1 Team had a descent showing this season, and  I would love to hear from them about how the wind tunnel results contributed.

It would be remiss of me to not stop here and congratulate the Red Bull Racing Team for it’s third consecutive F1 win. We’re proud to have them as a customer and a partner.

For more examples about how people use CFD to get their product designs right the first time, I invite you to read this white paper: ”Getting Product Design Right the First Time with CFD.”

If you want to get the conversation going, follow me on this blog or on LinkedIn!

This entry was posted in Automotive, Fluid Dynamics, Industry and tagged by Gilles Eggenspieler. Bookmark the permalink.

About Gilles Eggenspieler

Gilles is the Senior Fluid Product Line Manager at ANSYS. Before that, he worked for Fluent and ANSYS in different roles: consulting, technical services, training, etc. Gilles has a Ph.D. in Aerospace Engineering from the Georgia Institute of Technology, a Master's of Science from Ecole Nationale des Mines de Nancy, and a MBA from the Tepper Business School- Carnegie Mellon University.

3 thoughts on “Marussia F1 Upgrades to Wind Tunnels?

  1. You sound surprised. Why? When I look at the F1 car I see vorticity tracking through areas of possibly large eddy viscosity, assuming a RANS code is used. So of course there are issues with CFD. And LES/DES at high Reynolds numbers is expensive. And we all know wing loading can be very dependent on where vorticity is tracked, assuming it does not burst.

    If I was allowed to, I could also give examples of where CFD lead clients astray, especially when optimizing on it.

    So I don’t know why you are surprised.

    If you would like to discuss the ins and outs of CFD, I would suggest that you show the eddy viscosity plot for for something like an F1 car, and then start discussing that. Or, discuss the difficulty of tracking a vortex when it interacts with a geometry.

    Martin Hegedus
    Hegedus Aerodynamics.

    • Hi Martin,

      Excellent points! My initial surprise came from the fact that the team did not have wind tunnel testing before and I was asking myself: so are they replacing simulation with experiments because simulations do not give them good results?

      After reading more, I understood that experiments are needed to complement simulation.

      You are 100% correct in pointing out that high-fidelity aerodynamic of a Formula One race car is extremely complex. Hence my conclusion than, while I am a great fan of CFD, it cannot solve all the issues. However complimenting CFD, for Formula One aerodynamics, with wind tunnel experiments is a winning combination.

      Best,

      Gilles

  2. Pingback: CFD Drives Marussia Formula 1

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