...值绝对值从小到大对不显著的路径逐条删减,并同时注意观察相关指标的变化,以避免误差的产生;根据修正系数(modification index,mi)和研究需要来进行新路径关系的添加。
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根据复杂山区地形的特点,以箱模式为基础,引入地形修正系数,建立梯形模型。
Echelon model was built based on the box model and imported modified terrain coefficient, according to the characteristic of mountainous area.
其次,根据损伤后的结构频率与模态的变化,应用径向基神经网络,进行结构节点固结系数的识别,从而实现对网架结构有限元模型的修正。
Secondly, according to the change of damage structural frequency and modal, the fixity factor is identified by RBF neural network, then FEM correction of truss is finished.
根据夹层板的正应力、正应变和剪应力、剪应变沿板厚的分布关系,得到夹层板的弯曲、剪切修正系数。
The bending and shear modifying coefficients are derived according to the distribution of the stress and strain of the sandwich plate along the direction of the plate thickness.
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