Renault solves unwanted engine noise and vibration using Maple

When an engine stops, several engine components take part in the process. Components can produce unwanted noise and vibrations when the engine slows down, which can lead to their deterioration. Jean-Louis Ligier, a research and development manager at Renault, and his team were tasked with determining the sources of these noises and vibrations in a 2.2-litre four-cylinder turbo diesel engine. They found Maple to be the most efficient tool to model the engine and determine the source of the unwanted noise. More importantly, they also used Maple to determine a solution to the problem.

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