Then acoustic radiative pressure level is computed with a 3-D FE acoustic-field model and bounary conditions imported from the result of vibration response by infinite FEM.

• 建立齿轮箱外声场二维有限元模型，导入齿轮箱振动响应结果作为声学边界条件，并采用无限有限元法计算了辐射声压级。