To join ellipse yield function, hardening parameter with plastic work, associated flow law and damage theory, the elastoplastic damage constitutive model of loess were derived.
结合以塑性功为硬化参数的椭圆形屈服面，根据相关联流动法则及损伤理论推导出了黄土弹塑性损伤本构模型。
Then introduced the concrete constitutive model's basic theory and model function as well as its parameter input question of the general-purpose procedure ADINA and ANSYS.
然后介绍了通用程序adina和ANSYS提供的混凝土本构模型的理论基础、模型功能以及参数输入问题。
Based on the model parameter identification theory in inverse problem, a neural network model for constitutive law of clay under multiple stress paths is set up through artificial neural network.
基于反问题中的模型参数辩识理论，通过人工神经网络，建立了考虑应力路径影响的粘土的神经网络本构模型。
A new interface constitutive model neglecting previous shear ratio is presented on the basis of above established 3-parameter stress-strain model.
基于能量耗散的接触面应力应变3参数模型，建立了接触面正向剪切模型。
The combination of the unified hardening parameters and Cam-clay model, and the comparison with the test results, show that this parameter can be used to constitutive model simply and effectively.
还将该统一硬化参量直接和修正剑桥模型结合，并与试验结果对比，表现出描述剪胀特性的简单性和有效性。
The combination of the unified hardening parameters and Cam-clay model, and the comparison with the test results, show that this parameter can be used to constitutive model simply and effectively.
还将该统一硬化参量直接和修正剑桥模型结合，并与试验结果对比，表现出描述剪胀特性的简单性和有效性。
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