考虑应力路径的砂土的神经网络本构关系模型

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Abstract Based on the parameter identification by inverse problem theory，neural network model is set up to model the constitutive relation for sandsoil，under different stress paths. The approach is different from the traditional ones. It can not only make full use of all information obtained from test data，but also reflect the effect of stress path，which is very important in numerial simulation for practical engineering.

Key words： constitutive relationship artificial neutral net finite element stress path inverse problem

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https://rockmech.whrsm.ac.cn/EN/Y2002/V21/I10/1487

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