The commercial software SYSNOISE which is based on the boundary element method is used to calculate the acoustic radiated field and radiation impedance of various sources.
研究了利用基于边界元方法的SYSNOISE软件来计算各种声源的声辐射。
By using of effective mobility power flow method, vibration level and radiated power level of a element cylindrical shell are studied.
利用有效导纳功率流法研究了基本圆柱壳体的表面振级和声辐射功率级。
Finite element method and flexible multi-body dynamics method are used to establish engine simulation model, calculate engine vibration intensity and radiated noise.
结合有限元和柔性多体动力学方法建立了该柴油机整机仿真模型，进行整机振动烈度和辐射噪声的模拟研究。
Finite element method and flexible multi-body dynamics method are used to establish engine simulation model, calculate engine vibration intensity and radiated noise.
结合有限元和柔性多体动力学方法建立了该柴油机整机仿真模型，进行整机振动烈度和辐射噪声的模拟研究。
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