对封闭型分级单屈服面模型参数中的阶段改变参数和硬化参数的优化进行了研究。
In this paper, optimization of phase change parameter and hardening parameter of closed hierarchical single surface model is studied.
本文中建议了一个包含塑性体应变和偏应变两个硬化参数的封闭屈服面模型，可以同时应用于正常固结土和超固结土。
In this paper a double hardening model with two hardening parameters (i. e. plastic volumetric strain and shear strain) and a single smooth yield function has been proposed.
结合堆载预压加固软基实例，分别采用殷宗泽双屈服面模型、粘弹-粘塑性和粘弹-粘塑性损伤模型进行有限元分析。
Deformation of preloaded soft ground was calculated with the Yin's double yield surface model, the viscoelastic-viscoplastic model and the viscoelastic-viscoplastic damage model respectively.
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