A Nonlinear Quasi-3D Approach for the Modeling of Mufflers with Perforated Elements and Sound-Absorbing Material

<table>Comparison between calculated and measured transmission loss for the series chamber with perforated pipe.</table>

Advances in Acoustics and Vibration

Figure 9: A Nonlinear Quasi-3D Approach for the Modeling of Mufflers with Perforated Elements and Sound-Absorbing Material 