BP ANN model of back analysis of CFRD has been constructed with Newff Function of MATLAB language, the material parameters of Duncan E-B model is calculated by back analysis.
运用MATLAB语言提供的神经网络功能函数，建立面板堆石坝反分析的BP神经网络模型，对邓肯e - B模型的材料参数进行反演计算。
Based on equivalent deformation assumption the back analysis model of determining the viscoelastic parameters of the effect zones is established.
依据变形等效原理，建立了层面影响带的粘弹性参数的反分析模型。
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