The finite element analysis methods for plate-beam composite structures with random physical parameters under the random loads action are studied.
以随机物理参数板梁组合结构为对象，研究了其在随机力作用下的有限元分析方法。
To evaluate the stability of the proposed method, the statistical properties of the physical parameters of the bridge structure were analyzed under the model parameters with random errors.
为了评定此桥梁损伤识别方法的稳定性，在模态参数带有一定的随机误差的情况下，分析了这种桥梁损伤识别方法的结构物理参数的统计特性。
The physical parameters of rockfill materials and the loads on concrete-faced rockfill dam (CFRD) are all random variables. They give rise to the uncertainties of stress and deformation of CFRD.
坝体材料的物理参数和作用于坝体的荷载是随机变量，坝体的应力和变形呈现出不确定性。
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