基于有限元法的齿轮箱辐射噪声预测与分析  

Prediction and Analysis of Radiant Noise from Gearbox Based on Finite Element Method

作　　者：张锴锋[1] 袁惠群[2] 

机构地区：[1]沈阳航空航天大学机电工程学院,辽宁沈阳110136 [2]东北大学机械工程与自动化学院,辽宁沈阳110819

出　　处：《测控技术》2013年第10期141-143,149,共4页Measurement & Control Technology

基　　金：国家自然科学基金资助项目(10772043)

摘　　要：利用有限元分析软件ANSYS对齿轮箱系统在齿轮啮合激励力作用下的动态响应进行计算,提取齿轮箱表面选定区域网格节点的法向振动速度。利用节点法向振动速度的均方根值对选定区域以及箱体各表面的辐射噪声进行预测,得到辐射噪声的声压级与声功率级。通过与实测数据进行对比,证明预测结果与实测结果基本吻合。The vibration responses of gearbox system are calculated under the gear excitation forces by using the ANSYS software. The vibration velocities of nodes around elements in the normal direction of selected areas on gearbox surfaces are extracted. The radiation noises of selected areas and gearbox surfaces are predicted by using root mean squares of the vibration velocities of nodes. Sound pressure levels and sound power levels are obtained. It can be proved that the results of prediction are in agreement with testing data through contrasting.

关 键 词：有限元法 齿轮箱 辐射噪声 预测 

分 类 号：TH113.1[机械工程—机械设计及理论]