For all transportation equipment, there is a strong emphasis on reducing weight and cost while improving comfort. Unfortunately, reduced weight is often synonymous with increased sound pressure level (SPL), which is not acceptable from the viewpoint of security and comfort.

In this paper we discuss the application of Statistical Energy Analysis (SEA) to the prediction of noise in vehicles such as passenger cars. After a brief theoretical review of the method, we present simple guidelines for the SEA modeling of automobiles. These guidelines are the result of practical experience in the field, also described here, since SEA is already used at many industrial sites. Finally, we discuss promising new directions in automobile SEA modeling.

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