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iSGTW Image of the Week - A quest for quiet speed

Image of the week - A quest for quiet speed


Isosurface of density (3-D surface of constant density) colored by velocity magnitude.

Image courtesy of DEISA.

Picture yourself at the window of a hillside villa, a glass of Chianti in your hand, a Verdi aria spilling in from the next room. You're contemplating the cyprus trees and olive groves in the Tuscan sunset, relaxing after a hard day's work. Then...

Vvrrrroooooomm!!

Your glass-and your nerves- shatter, and it wasn't the soprano.

Italy is known for the good life-and for fast cars. Fiat wants to make them compatible.

To study automotive noise generation, the Fiat Research Center in Italy carried out a number of different computational fluid dynamics and aeroacoustic simulations using the DEISA research infrastructure.

"Noise reduction is an important concern in terms of human well-being and health, and is a significant issue for a wide range of applications, including for the automotive industry", says Roberto Tregnago, researcher at the center.

"(The center) joined the DEISA project in order to explore-and take advantage of-the possibilities offered by a distributed computational grid in resolving engineering problems in the area of noise generation. Our main objective was, in particular, to test the DEISA infrastructure in an industrial context, and to push back the boundaries of numerical simulation for industrial applications", says Tregnago.

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