BERMAN updating arithmetic makes use of experimental model matrix and eigenvalue to modify the finite element academic model, based on the model orthographical condition of non-damping system.
BERMAN修正方法基于无阻尼系统的模态正交条件，利用实验模态矩阵和特征值对有限元理论模型进行修正。
BERMAN updating arithmetic makes use of experimental model matrix and eigenvalue to modify the finite element academic model, based on the model orthographical condition of non-damping system.
BERMAN修正方法基于无阻尼系统的模态正交条件，利用实验模态矩阵和特征值对有限元理论模型进行修正。
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