【干货】车辆通过噪声的模拟仿真技术!
汽车通过噪声仿真分析在实际产品开发中具有非常重要的意义,白工基于Actran从车辆通过噪声问题的背景、声学仿真方法、后处理以及相关案例等方面进行了阐述和讲解。
【GB1495-2002】规定了汽车加速通过噪声的测试条件包括,(1)气像条件,包括温度,风速等;(2)路面条件,包括平坦度,路面材料等;(3)背景噪声,背景噪声(A计权)至少要比被测汽车噪声低10dB;(4)测量场地,包括传声器布置等,如下图:
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzAxLzI4MTAvMjE0MjEyNDkwXzJfMjAyMTAxMjgxMDQ5NDk3NDA=.jpg)
(最小标准试验路面)
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— 荐 读 —
预应力对模态结果的影响研究
通俗直观的汽车各部分运动原理
基于Hm的TPA分析操作实战
基于Test.Lab的TPA分析操作实战
车身板件厚度灵敏度分析的一般流程
基于Isight多学科优化及轻量化优化
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