提出了一种新的谱随机有限元分析方法——递推求解方法。
A new spectral stochastic finite element method to solve mechanical problems involving material variability and random load is proposed.
以镜架支撑安装基面上实测的地面振动速度功率谱密度为激励，运用ANSYS有限元分析软件的PSD分析模块，对该结构系统的随机振动响应进行了分析计算。
The PSD measured on the install base level of the mount as the excitation, the random vibration response of the mount was analyzed with the PSD module of ANSYS.
以镜架支撑安装基面上实测的地面振动速度功率谱密度为激励，运用ANSYS有限元分析软件的PSD分析模块，对该结构系统的随机振动响应进行了分析计算。
The PSD measured on the install base level of the mount as the excitation, the random vibration response of the mount was analyzed with the PSD module of ANSYS.
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