TY - EJOU
AU - Xie, Miaoxia
AU - Li, Yueming
AU - Chen, Hualing
TI - Prediction of High-frequency Vibro-acoustic Coupling in Anechoic Chamber Using Energy Finite Element Method and Energy Boundary Element Method
T2 - Computer Modeling in Engineering \& Sciences
PY - 2012
VL - 85
IS - 1
SN - 1526-1506
AB - Energy finite element method(EFEM) is a promising method to solve high-frequency vibro-acoustic problem. Energy boundary element method (EBEM) is an effective way to compute high-frequency sound radiation in the unbounded medium. Vibro-acoustic coupling of cavity structure in anechoic chamber includes both the interior acoustic field and unbounded exterior acoustic field. In order to predict this kind of high-frequency vibro-acoustic coupling problem in anechoic chamber, an approach combined EFEM and EBEM is developed in this paper. As a numerical example, the approach is applied to solve the high-frequency vibro-acoustic coupling response of a cubic cavity structure excited by a point sound source in an anechoic chamber. The result shows the approach is of the feasibility.
KW - Energy finite element method
KW - Energy boundary element method
KW - anechoic chamber
DO - 10.3970/cmes.2012.085.065