Structure-borne Noise Prediction Using an Energy Finite Element Method 972009
Governing equations have been derived to model the space- and frequency-averaged behavior of structural acoustic systems. These equations were derived using assumptions similar to the approximations made in SEA. The equations can be used to develop continuous models of 1-D, 2-D, and 3-D subsystems. The equations have been formulated into a finite element approximation referred to as the Energy Finite Element Method (EFEM). In this paper the theory for coupling plate-like structural systems to acoustical systems is derived and implemented into the EFEM. The results of a verification study using a plate mounted on a rectangular acoustical enclosure are shown for two cases, a mechanically driven plate and an acoustically driven enclosure.
Citation: Bitsie, F. and Bernhard, R., "Structure-borne Noise Prediction Using an Energy Finite Element Method," SAE Technical Paper 972009, 1997, https://doi.org/10.4271/972009. Download Citation
Author(s):
Fernando Bitsie, Robert Bernhard
Affiliated:
Purdue Univ.
Pages: 7
Event:
SAE Noise and Vibration Conference and Exposition
ISSN:
0148-7191
e-ISSN:
2688-3627
Also in:
Proceedings of the 1997 Noise and Vibration Conference-P-309, SAE 1997 Transactions - Journal of Passenger Cars-V106-6
Related Topics:
Acoustics
Energy consumption
Noise
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