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

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.

[1]  T. Hughes,et al.  A cost comparison of boundary element and finite element methods for problems of time-harmonic acoustics , 1992 .

[2]  Ahmet Selamet,et al.  HELMHOLTZ RESONATORS: ONE-DIMENSIONAL LIMIT FOR SMALL CAVITY LENGTH-TO-DIAMETER RATIOS , 1996 .

[3]  Selamet,et al.  Circular asymmetric Helmholtz resonators , 2000, The Journal of the Acoustical Society of America.

[4]  G. SenGupta.  Finite element analysis of natural frequencies of acoustic enclosures with periodic properties , 1991 .

[5]  A. F. Seybert,et al.  Application of the Boundary Element Method to Acoustic Cavity Response and Muffler Analysis , 1987 .

[6]  Craig Birkett,et al.  Various approaches to estimating natural frequencies of automobile cab cavities from a boundary‐element model , 1997 .

[7]  Z. Ji.  Acoustic attenuation performance of double expansion chamber silencers with interconnecting tube , 2001 .

[8]  John B. Heywood,et al.  Internal combustion engine fundamentals , 1988 .

[9]  D. Blackstock.  Fundamentals of Physical Acoustics , 2000 .

[10]  M. Munjal.  Acoustics of Ducts and Mufflers With Application to Exhaust and Ventilation System Design , 1987 .

[11]  Robert J. Bernhard,et al.  Prediction of acoustical behavior in cavities using an indirect boundary element method , 1987 .

[12]  John D. Kostun,et al.  Effect of Resonator Location on Resonator Effectiveness Using NASTRAN Mode Shape Prediction Analysis and LAMPS Acoustic Model , 1994 .

[13]  J. M. Novak,et al.  Wave attenuation in catalytic converters: Reactive versus dissipative effects , 1998 .

[14]  Z. L. Ji,et al.  Case study: Acoustic attenuation performance of circular expansion chambers with extended end-inlet and side-outlet , 2000 .

[15]  H. Utsuno,et al.  A Method for the Analytical Prediction of Insertion Loss of a Two-Dimensional Muffler Model Based on the Transfer Matrix Derived from the Boundary Element Method , 1985 .

[16]  Z. L. Ji,et al.  Boundary element analysis of three-pass perforated duct mufflers , 2000 .

[17]  Yih-Nan Chen,et al.  Analysis of Three Dimensional Muffler with Boundary Element Method , 1993 .

[18]  Noboru Kyouno,et al.  Finite element approach to acoustic transmission-radiation systems and application to horn and silencer design , 1980 .