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。
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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