Browse Publications Technical Papers 2003-01-1644
2003-05-05

A Correlation Study of Computational Techniques to Model Engine Air Induction System Response Including BEM, FEM and 1D Methods 2003-01-1644

Induction noise, which radiates from the open end of the engine air induction system, can be of significant importance in reducing vehicle interior noise and tuning the interior sound to meet customer expectations. This makes understanding the source noise critical to the development of the air induction system and the vehicle interior sound quality. Given the ever-decreasing development times, it is highly desirable to use computer-aided engineering (CAE) tools to accelerate this process. Many tools are available to simulate induction noise or, more generally, duct acoustics. The tools vary in degrees of complexity and inherent assumptions. Three-dimensional tools will account for the most general of geometries. However, it is also possible to model the duct acoustics with quasi-three-dimensional or one-dimensional tools, which may be faster as well. The subject of this study is to use a simplified induction system as an ideal test case to compare these tools that simulate the system response and to correlate to experiment.

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