Browse Publications Technical Papers 2003-01-1538

Simplified Porous Panel Subsystem for SEA Modeling 2003-01-1538

Typical Statistical Energy Analysis (SEA) plate/shell subsystems usually assume that the panel is impervious to airflow. However, they are not capable of modeling a trim element or similar component that allows air to pass through it, e.g., a headliner or package tray. The theory of a simplified porous panel is presented for the coupling loss factors of a cavity-panel-cavity connection and the theoretical prediction is compared to measurements for various airflow resistance values. A discussion on the use of the porous panel subsystem for automotive SEA modeling is presented.


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