Application of the wave based method for the steady-state acoustic response prediction of a car cavity in the mid-frequency range

被引：0

作者：

Hepberger, A ^{[1
]}

Priebsch, HH ^{[1
]}

Desmet, W ^{[1
]}

van Hal, B ^{[1
]}

Pluymers, B ^{[1
]}

Sas, P ^{[1
]}

机构：

[1] ACC GmbH, A-8010 Graz, Austria

来源：

PROCEEDINGS OF ISMA 2002: INTERNATIONAL CONFERENCE ON NOISE AND VIBRATION ENGINEERING, VOLS 1-5 | 2002年

关键词：

D O I：

暂无

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The paper discusses the application of the Wave Based Method (WBM) for the steady-state acoustic response prediction of a car cavity up towards the mid-frequency range. After explaining the need for new prediction tools, the mathematical background of the WBM is given. The prediction results are compared with the results obtained by the Finite Element Method (FEM. For validation purposes, both a simple analytical benchmark problem is considered as well as the 3-dimensional problem of the Sound Brick, which is a test setup especially developed for validation experiments. It is demonstrated that the WBM is computationally more efficient than the FEM in both cases so that the practical frequency limitation for the WBM is much higher than for the FEM.

引用

页码：877 / 884

页数：8

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