Abstract
In order to reduce the weight of the automotive trim, instead of the resin material, the porous material has been used. In addition, most of the automotive trim is designed with multilayer porous media. In this research, in order to predict the sound insulation properties of the multilayer porous media, and use the SEA (statistical energy analysis) to create a SEA model to simulate the experimental device. The SEA model that we created, adding porous media of three layers using felt and film, to determine the amount of sound insulation analyzed. Finally, we describe the results compared with the actually measured sound insulation.
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