采用能量有限元分析的高速列车车内噪声预测 |
代文强,郑旭,郝志勇,邱毅 |
Prediction of high-speed train interior noise using energy finite element analysis |
Wen-qiang DAI,Xu ZHENG,Zhi-yong HAO,Yi QIU |
图 13 车内声腔噪声声压级分布(630 Hz) |
Fig.13 SPL distribution of interior noise at 630 Hz |