Supercomputer makes a big impact at Audi

Supercomputer makes a big impact at Audi

Crash simulations make it possible for Audi to develop cars according to current market conditions, in accordance with customer requirements or findings from Audi’s own Audi Accident Research Unit (AARU).

OneShift Editorial Team
OneShift Editorial Team
25 Apr 2008

When Christopher Rhody starts a crash test, everything stays nice and quiet. No loud crashing noises, no broken glass and no bent fenders. The Audi employee responsible for developing side and head protection simulates crash situations on a computer. New supercomputers now make these crash simulations even more precise and realistic.

The “cluster” – a collection of 320 processors – achieves over 15 teraflops of processing power, which corresponds to 15 billion computer operations per second. All this makes it the fastest computer in the automotive industry – and one of the 150 fastest in the world.

Developers conduct about 5,000 simulations each week – from frontal crashes to special component tests – which allow them to determine and correct possible weak points prior to construction even before the first prototypes are constructed.

Crash simulations make it possible to develop cars according to current market conditions, in accordance with customer requirements or findings from Audi’s own Audi Accident Research Unit (AARU) – as Hans-Ulrik von Bülow, who is responsible for computer-aided development at Audi, is quick to confirm. “The new supercomputer cluster helps to safeguard the quality of all Audi components,” von Bülow said.

The newly acquired equipment is also highly efficient. The 320 servers of the HP ProLiant BL460c computer are mounted in eight two-meter high racks and therefore require about 30 percent less space than regular crash simulation computers. The cluster’s efficient cooling system also uses 25 percent less energy, with impressive energy consumption of just 86 kilowatts (kW) instead of the usual 115 kW.

A single car model goes through about 1,000 simulations per week during its 48-month development phase. Before the first prototype is built, the virtual car has already completed more than 100,000 computer simulations. Computing these can take anywhere from 30 minutes to up to a week, depending on the complexity of the accident. When the developers finally conduct the real crash tests, the cars have already achieved an extremely high standard of safety through the use of the computer simulations.

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